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  • 03:29 Popular Comparing Decimals Example 1 | Decimals | 4th Grade | Khan Academy

    Comparing Decimals Example 1 | Decimals | 4th Grade | Khan Academy

    1,496 views / 1 likes - added

    Learn how to compare decimals with tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals/e/comparing_decimals_1?utm_source=YT&utm_me

  • 03:40 Popular Comparing Decimals Visually Example | 4th Grade | Khan Academy

    Comparing Decimals Visually Example | 4th Grade | Khan Academy

    980 views / 0 likes - added

    Learn how to compare decimals using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals-visually/e/comparing-decimals-visually?utm_source=

  • 04:37 Popular Fraction-decimal Intuition Problems (examples) | 4th Grade | Khan Academy

    Fraction-decimal Intuition Problems (examples) | 4th Grade | Khan Academy

    1,035 views / 0 likes - added

    Understand the connection between decimals and fractions using a grid diagram. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimal-fractions/e/fraction-decimal-in

  • 06:55 Popular Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

    Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

    1,172 views / 1 likes - added

    Understand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-greater-than-one/e/decimals-greater-than-one-intuition?ut

  • 04:08 Popular Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

    Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

    913 views / 0 likes - added

    Learn how to find decimals with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-number-line/e/decimals_on_the_number_line_2?utm_

  • 05:38 Popular Decimals As Words | Decimals | 4th Grade | Khan Academy

    Decimals As Words | Decimals | 4th Grade | Khan Academy

    1,410 views / 0 likes - added

    Learn how to describe decimals in words. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimals-in-words?utm_source=YT&utm_medium=Desc&utm_campaign

  • 03:06 Popular Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

    Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

    1,258 views / 0 likes - added

    Deepen your understanding of decimal numbers by thinking about grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimal-intuition-with-

  • 01:47 Popular Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

    Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

    1,578 views / 0 likes - added

    Learn how to decompose a fraction with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fraction

  • 04:11 Popular Decomposing Hundredths Into Tenths And Hundredths | 4th Grade | Khan Academy

    Decomposing Hundredths Into Tenths And Hundredths | 4th Grade | Khan Academy

    1,481 views / 0 likes - added

    Learn how to decompose a fraction into tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fractions-with

  • 04:20 Popular Visually Converting From Tenths To Hundredths | 4th Grade | Khan Academy

    Visually Converting From Tenths To Hundredths | 4th Grade | Khan Academy

    1,192 views / 0 likes - added

    Learn how to convert fractions from tenths to hundredths using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/equivale

  • 02:35 Popular Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy

    Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy

    1,111 views / 0 likes - added

    Learn how to compare fractions with unlike denominators by drawing bars Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually

  • 02:32 Popular Comparing Fractions Visually With Pies | Fractions | 4th Grade | Khan Academy

    Comparing Fractions Visually With Pies | Fractions | 4th Grade | Khan Academy

    1,045 views / 0 likes - added

    Comparing fractions visually with pies Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=Y

  • 02:19 Popular How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

    How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

    1,266 views / 0 likes - added

    Sal determines the domain of a function that models the height of a plant over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/determining-the-domain-of-a-function/e/interpreting

  • 02:54 Popular How To Describe Real-world Situations With Inequalities | 6th Grade | Khan Academy

    How To Describe Real-world Situations With Inequalities | 6th Grade | Khan Academy

    1,155 views / 0 likes - added

    Learn how to write inequalities to model real-world situation. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-inequalities/e/inequalities-in-one-var

  • 07:51 Popular How To Solve One-step Multiplication And Division Equations With Fractions And Decimals

    How To Solve One-step Multiplication And Division Equations With Fractions And Decimals

    948 views / 0 likes - added

    "Learn how to solve equations in one step by multiplying or dividing a number from both sides. These problems involve decimals and fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/

  • 04:32 Popular How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy

    How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy

    1,860 views / 0 likes - added

    Learn how to solve one-step addition and subtraction equations that have fractions and decimals in them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-

  • 04:05 Popular How To Find Mistakes In One Step Equations | 6th Grade | Khan Academy

    How To Find Mistakes In One Step Equations | 6th Grade | Khan Academy

    757 views / 0 likes - added

    Learn how to spot mistakes in someone else's work as they attempt to solve one-step equations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-one-st

  • 04:21 Popular How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

    How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

    1,456 views / 0 likes - added

    Learn how to write basic equations to model real-world situations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-super-yoga/e/equations-in-one-vari

  • 01:58 Popular How To Find Equivalent Expressions By Combining Like Terms And Using The Distributive Property

    How To Find Equivalent Expressions By Combining Like Terms And Using The Distributive Property

    1,246 views / 0 likes - added

    "Equivalent algebraic expressions exercise Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-equivalent-expressions/e/equivalent-forms-of-expressions-1?

  • 06:29 Popular How To Use The Distributive Property With Variables | 6th Grade | Khan Academy

    How To Use The Distributive Property With Variables | 6th Grade | Khan Academy

    1,298 views / 0 likes - added

    Learn how to apply the distributive property to algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-distributive-property/e/distrib

  • 03:27 Popular How To Use The Distributive Property To Factor Out The Greatest Common Factor | Khan Academy

    How To Use The Distributive Property To Factor Out The Greatest Common Factor | Khan Academy

    1,177 views / 0 likes - added

    Learn how to apply the distributive property to factor numerical expressions (no variables). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-distribut

  • 04:42 Popular How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

    How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

    1,287 views / 0 likes - added

    Learn how to write expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-alg-e

  • 03:09 Popular How To Write Basic Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

    How To Write Basic Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

    949 views / 0 likes - added

    Learn how to write basic expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th

  • 02:37 Popular How To Write Basic Expressions With Variables | 6th Grade | Khan Academy

    How To Write Basic Expressions With Variables | 6th Grade | Khan Academy

    848 views / 0 likes - added

    Learn how to write basic algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-writing-expressions/e/writing-expressions-with-variabl

  • 05:15 Popular Thinking About The Changing Values Of Variables And Expressions | 6th Grade | Khan Academy

    Thinking About The Changing Values Of Variables And Expressions | 6th Grade | Khan Academy

    842 views / 0 likes - added

    Explore how the value of an algebraic expression changes as the value of its variable changes. The algebraic expressions used in this video are 100-x, 5/x + 5, and (3y)/(2y). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacad

  • 03:27 Popular How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy

    How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy

    1,014 views / 0 likes - added

    Learn how to evaluate expressions that have two different variables in them by using a technique called substitution (or "plugging in"). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6t

  • 04:32 The Zeroth Power | Arithmetic Operations | 6th Grade | Khan Academy

    The Zeroth Power | Arithmetic Operations | 6th Grade | Khan Academy

    615 views / 0 likes - added

    Learn why a number raised to the zero power equals 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/e/positive_and_zero_exponents?utm_source=Y

  • 01:46 Popular Movie Ticket Proportionality | 7th Grade | Khan Academy

    Movie Ticket Proportionality | 7th Grade | Khan Academy

    1,008 views / 0 likes - added

    When going to the movies, is the price you pay proportional to the number of tickets you buy? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-re

  • 02:39 Popular Proportionality Between Side Length And Perimeter | 7th Grade | Khan Academy

    Proportionality Between Side Length And Perimeter | 7th Grade | Khan Academy

    843 views / 0 likes - added

    Is the perimeter of a square proportional to the side length of the square? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-

  • 03:46 Popular Testing Whether Area Is Proportional To Side Length | 7th Grade | Khan Academy

    Testing Whether Area Is Proportional To Side Length | 7th Grade | Khan Academy

    1,181 views / 0 likes - added

    Is the volume of a square proportional to the side length of the square? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-ide

  • 03:53 Popular Missing Number For Addition And Subtraction Within 1000 | 3th Grade | Khan Academy

    Missing Number For Addition And Subtraction Within 1000 | 3th Grade | Khan Academy

    1,826 views / 1 likes - added

    Learn how to solve missing number problems like ___ + 261 = 630. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-add-sub-topic/cc-3rd-add-sub-missing-value/e/find-the-missing-number--

  • 09:41 Popular Philosophy Of Numbers - Numberphile

    Philosophy Of Numbers - Numberphile

    756 views / 0 likes - added

    We revisit the philosophy department and the question of whether numbers really exist? Featuring Mark Jago from the University of Nottingham. Earlier video on numbers' existence: https://youtu.be/1EGDCh75SpQ Infinity paradoxes: https://youtu.be/dDl7g_2x74

  • 13:54 Popular Kakeya's Needle Problem  - Numberphile

    Kakeya's Needle Problem - Numberphile

    929 views / 0 likes - added

    The famed Kakeya Needle Problem, discussed by Charles Fefferman from Princeton University. Edit and animation by Pete McPartlan Film and interview by Brady Haran 17-gon: https://youtu.be/87uo2TPrsl8 NUMBERPHILE Website: http://www.numberphile.com/ Numberp

  • 06:11 Powers Of 2 - Numberphile

    Powers Of 2 - Numberphile

    559 views / 0 likes - added

    Powers of 2 and leading digits. Featuring Dmitry Kleinbock from Brandeis University. Filmed at MSRI in Berkeley. More footage: https://youtu.be/vetsor9NTF8 Benford's Law: https://youtu.be/XXjlR2OK1kM NUMBERPHILE Website: http://www.numberphile.com/ Number

  • 07:56 Pi And The Mandelbrot Set - Numberphile

    Pi And The Mandelbrot Set - Numberphile

    613 views / 0 likes - added

    Thanks to Audible --- http://www.audible.com/numberphile This video features Dr Holly Krieger. Extra footage from this interview: https://youtu.be/r8Ksuc7T-VQ More videos with Holly Krieger: http://bit.ly/HollyKrieger Numberphile is supported by the Mathe

  • 12:16 Nebulae: Crash Course Astronomy #36

    Nebulae: Crash Course Astronomy #36

    603 views / 2 likes - added

    Astronomers study a lot of gorgeous things, but nebulae might be the most breathtakingly beautiful of them all. Nebulae are clouds of gas and dust in space. They can glow on their own or reflect light from nearby stars. When they glow it’s usually predomi

  • 04:19 What Are Quarks? Sugar Edition!

    What Are Quarks? Sugar Edition!

    537 views / 0 likes - added

    Protons and neutrons are made of three quarks, right? Wrong! Explore the particle they should have told you about when you were a kid! 10 quirky facts about quarks blog post: http://www.physicsgirl.org/blog/tenquarks Instagram: http://instagram.com/thephy

  • 09:01 Powers of Ten™ (1977)

    Powers of Ten™ (1977)

    637 views / 0 likes - added

    Powers of Ten takes us on an adventure in magnitudes. Starting at a picnic by the lakeside in Chicago, this famous film transports us to the outer edges of the universe. Every ten seconds we view the starting point from ten times farther out until our own

  • 03:21 Popular LET IT GO (Disney's Frozen) on wine glasses, pots and pans

    LET IT GO (Disney's Frozen) on wine glasses, pots and pans

    1,295 views / 8 likes - added

    Show me your support by pledging $1 on Patreon [http://www.patreon.com/dannewbie] Follow me on Instagram [http://instagram.com/dannewbie] and on Twitter [http://twitter.com/dannewbie] Email me at dannewbie@gmail.com Thanks to Ryan Curtis, Maria Collins an

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  • 07:54 Popular Tour The Solar System From Home - Jon Nguyen

    Tour The Solar System From Home - Jon Nguyen

    717 views / 1 likes - added

    Want to navigate the solar system without having to buy that expensive spacecraft? Jon Nguyen demos NASAJPL's "Eyes on the Solar System" -- free-to-use software for exploring the planets, moons, asteroids, and spacecraft that rotate around our sun in real

  • 03:20 Is This Glass Half Empty?

    Is This Glass Half Empty?

    653 views / 1 likes - added

    Are you an optimist or a pessimist? Watch "Giving vs Receiving": https://youtu.be/KAjAtKZRWFU Get FREE audiobook: http://audible.com/asap Written by: Amanda Edward, Gregory Brown and Mitchell Moffit GET THE ASAPSCIENCE BOOK: http://asapscience.com/book/ F

  • 02:32 Popular Five Crazy Bridges For Animals

    Five Crazy Bridges For Animals

    931 views / 1 likes - added

    Watch Frankenstein MD on PBS Digital! http://pbly.co/FMDep1 ________________________ Please support MinuteEarth on Patreon - https://patreon.com/minuteearth And subscribe! - http://www.youtube.com/user/minuteearth?sub_confirmation=1 ______________________

  • 03:57 Popular 5 Reasons Why Dolphins Are Awesome

    5 Reasons Why Dolphins Are Awesome

    1,260 views / 7 likes - added

    Dolphins aren't just smiley and cute! Jessi gives you 5 reasons why dolphins are awesome in this episode of SciShow Kids. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? C

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  • 10:36 Star Clusters: Crash Course Astronomy #35

    Star Clusters: Crash Course Astronomy #35

    577 views / 0 likes - added

    Last week we covered multiple star systems, but what if we added thousands or even millions of stars to the mix? A star cluster. There are different kinds of clusters, though. Open clusters contain hundreds or thousands of stars held together by gravity.

  • 03:09 Popular What Is The Milky Way?

    What Is The Milky Way?

    1,019 views / 1 likes - added

    Jessi and Squeaks explore our home galaxy, The Milky Way! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftb

  • 03:15 Take A Tour Of The Space Station

    Take A Tour Of The Space Station

    627 views / 0 likes - added

    Did you know some astronauts live in space for months at a time? Join Jessi and Squeaks for a tour of the International Space Station and learn what life is like in low gravity! ---------- Like SciShow? Want to help support us, and also get things to put

  • 04:11 Popular Explore The Solar System: The Gas Giants

    Explore The Solar System: The Gas Giants

    874 views / 2 likes - added

    Explore the four gas giant planets, as Jessi and Squeaks take you on a tour of our solar system! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome prod

  • 04:15 Popular Explore The Solar System: The Rocky Planets

    Explore The Solar System: The Rocky Planets

    1,024 views / 3 likes - added

    Explore the four inner rocky planets, as Jessi and Squeaks take you on a tour of the solar system! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome pr

  • 04:34 Popular Meet The 5 Dwarf Planets!

    Meet The 5 Dwarf Planets!

    997 views / 3 likes - added

    Our tour of the solar system isn’t over yet! Jessi introduces you to some of the most newly-named members of the solar system: the five dwarf planets! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your t

  • 02:57 Popular Plastic Pollution. Ocean Confetti.

    Plastic Pollution. Ocean Confetti.

    2,149 views / 11 likes - added

    Thanks to CSIRO for supporting MinuteEarth. - http://csirofrvblog.com/ Support MinuteEarth on Subbable! - https://subbable.com/minuteearth And Subscribe! - http://www.youtube.com/user/minuteearth?sub_confirmation=1 ________________________ Created by Henr

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  • 02:51 The Biggest Organism On Earth

    The Biggest Organism On Earth

    700 views / 0 likes - added

    Thanks to ScienceAlert for support - http://www.facebook.com/sciencealert And thanks to the following Subbable supporters; they make MinuteEarth a reality! Mike Ledermueller David Smith @JGregory808 - http://jgregory808.tumblr.com/ Myndert Papenhuyzen @WY

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  • 04:29 Langton's Ant - Numberphile

    Langton's Ant - Numberphile

    561 views / 0 likes - added

    Langton's Ant - starring Katie Steckles (and Audrey). Extra footage: https://youtu.be/oTssNuDEkSc The 104-steps: https://youtu.be/xU072T4V12A John Conway videos: http://bit.ly/ConwayNumberphile Support us on Patreon: http://www.patreon.com/numberphile Kat

  • 06:44 Popular What We Can Learn From Galaxies Far, Far Away - Henry Lin

    What We Can Learn From Galaxies Far, Far Away - Henry Lin

    710 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/what-we-can-learn-from-galaxies-far-far-away-henry-lin In a fun, excited talk, teenager Henry Lin looks at something unexpected in the sky: galaxy clusters. By studying the properties of the universe's largest p

  • 03:30 Popular The Mystery Of The Milky Way's Missing Stars

    The Mystery Of The Milky Way's Missing Stars

    707 views / 0 likes - added

    Astrophysicists think there should be many more stars in the Milky Way due to the large amount of dust and gas surrounding the galaxy's perimeter. Something is holding this vast field of matter on the galaxy's doorstep, preventing it from being drawn towa

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  • 03:34 Popular The Most Astounding Fact - Neil deGrasse Tyson

    The Most Astounding Fact - Neil deGrasse Tyson

    824 views / 0 likes - added

    Same video on Vimeo! http://vimeo.com/38101676 Astrophysicist Dr. Neil DeGrasse Tyson was asked by a reader of TIME magazine, "What is the most astounding fact you can share with us about the Universe?" This is his answer. Please subscribe above! In 20 la

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  • 15:05 The Opposite Of Infinity - Numberphile

    The Opposite Of Infinity - Numberphile

    638 views / 0 likes - added

    Continuing to talk Infinitesimals, this time with Dr James Grime. See last week's video: https://youtu.be/BBp0bEczCNg Dividing by Zero: https://youtu.be/BRRolKTlF6Q James Grime: http://singingbanana.com NUMBERPHILE Website: http://www.numberphile.com/ Num

  • 07:11 The Infinitesimal Monad - Numberphile

    The Infinitesimal Monad - Numberphile

    654 views / 0 likes - added

    More mind-bending math from the world of the infinitely big - and infinitesimally small. Featuring Professor Carol Wood from Wesleyan University. More from this interview: http://youtu.be/FVZqPaH94qU Infinity is bigger than you think: https://youtu.be/elv

  • 07:04 The 8 Queen Problem - Numberphile

    The 8 Queen Problem - Numberphile

    567 views / 0 likes - added

    Our thanks to lynda.com - use our link: http://www.lynda.com/numberphile Dr James Grime discusses a famous chess problem - placing eight queens "safely" on a chess board. Some extra footage from this video will appear on Numberphile2 next Monday... https:

  • 05:20 Popular Overview Of Pixar In A Box

    Overview Of Pixar In A Box

    868 views / 0 likes - added

    To see the full curriculum, go to www.pixarinabox.org. Learn how Pixar filmmakers use science, technology, engineering, art, and math to create movie magic. Pixar in a Box is a collaboration between Khan Academy and Pixar Animation Studios, sponsored by D

  • 07:17 Popular A Sea Otter's Adorable Adoption Story

    A Sea Otter's Adorable Adoption Story

    863 views / 5 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Check out #BigBlueLive! http://pbs.org/bigbluelive Tweet ⇒ http://bit.ly/OKTBS696 Share on FB ⇒ http://bit.ly/OKTBS696FB ↓ More info an

  • 03:10 Popular 8 Incredible Deep Sea Oddities!

    8 Incredible Deep Sea Oddities!

    918 views / 0 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Check out #BigBlueLive! http://pbs.org/bigbluelive Tweet ⇒ http://bit.ly/OKTBSdeep Share on FB ⇒ http://bit.ly/OKTBSdeepFB ↓ More info

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  • 15:13 Numbers And Free Will - Numberphile

    Numbers And Free Will - Numberphile

    643 views / 0 likes - added

    Artificial Intelligence gets Edward Frenkel thinking about vectors and numbers --- and the nature of human existence!? Extra interview footage: http://youtu.be/HctVeOR1tmU More Numberphile videos with Prof Frenkel: http://bit.ly/Frenkel_Playlist Prof Fren

  • 07:38 What's Special About 196?

    What's Special About 196?

    445 views / 0 likes - added

    Free audio book offer: http://www.audible.com/numberphile Dr James Grime delves into the largely unresolved world of Lychrel Numbers? James Grime: https://twitter.com/jamesgrime For audio books by Numberphile stars, go to Audible and search these names; H

  • 05:43 Möbius Knots And Roller Coasters - Numberphile

    Möbius Knots And Roller Coasters - Numberphile

    585 views / 0 likes - added

    Carlo H. Séquin (from UC Berkeley) discusses more knots - this time venturing into the worlds of snow sculptures, Möbius Bands and Roller Coasters! More videos to come at: http://bit.ly/Knot-a-Phile Edit and animation by Pete McPartlan. Film and interview

  • 04:42 Cuttlefish: Tentacles In Disguise

    Cuttlefish: Tentacles In Disguise

    570 views / 1 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Check out #BigBlueLive! http://pbs.org/bigbluelive Tweet ⇒ http://bit.ly/OKTBScuttle Share on FB ⇒ http://bit.ly/OKTBScuttleFB ↓ More i

  • 04:21 The Ruin And Rise Of Monterey Bay

    The Ruin And Rise Of Monterey Bay

    502 views / 0 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Check out #BigBlueLive! http://pbs.org/bigbluelive Share on FB ⇒ http://bit.ly/OKTBSriseFB ↓ More info and sources below ↓ Before peopl

  • 05:18 I Don't Think You're Ready For These Jellies

    I Don't Think You're Ready For These Jellies

    575 views / 0 likes - added

    Check out #BigBlueLive! http://pbs.org/bigbluelive ↓ More info and sources below ↓ Jellyfish are mesmerizing and beautiful and I have no idea how they work. So I went behind the scenes at the Monterey Bay Aquarium with my new friend Tommy to learn all abo

  • 07:20 Popular Incredible Tails Of Amazing Whales!

    Incredible Tails Of Amazing Whales!

    790 views / 1 likes - added

    Joe's proposed SXSW panel is "Science on YouTube: Where the Smart Kids Are". Vote for it before 9/4! http://vid.io/xqTj Whales are AMAZING! Check out #BigBlueLive: http://pbs.org/bigbluelive Tweet ⇒ http://bit.ly/OKTBSwhales Share on FB ⇒ http://bit.ly/OK

  • 04:31 Popular Orbits Are Odd: Crash Course Kids #22.2

    Orbits Are Odd: Crash Course Kids #22.2

    776 views / 0 likes - added

    Last week we talked about the orbits of the Earth and our Moon. But today we're going to go a little bigger... well, a lot better. Did you know that there is a massive Black Hole at the center of our Galaxy? Or that Pluto's orbit is really... weird? Today

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  • 09:53 The Curse Of Lane 8 - Numberphile

    The Curse Of Lane 8 - Numberphile

    563 views / 0 likes - added

    Professor Richard Tapia (Rice University) on how his son's BMX adventures led to some interesting mathematics. Also thanks to Bristol BMX Club. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile N

  • 06:56 Popular Prime Knots - Numberphile

    Prime Knots - Numberphile

    1,105 views / 0 likes - added

    They are knot what you think! Primes, Composites and the usefulness of knots.... Second in a series of videos about knots. Here we again speak with Carlo H. Séquin from UC Berkeley. More videos to come at: http://bit.ly/Knot-a-Phile Edit and animation by

  • 10:52 What Is A Knot? - Numberphile

    What Is A Knot? - Numberphile

    508 views / 0 likes - added

    First in a series of videos about knots. Here we have Carlo H. Séquin from UC Berkeley. More videos to come at: http://bit.ly/Knot-a-Phile Edit and animation by Pete McPartlan. Film and interview by Brady Haran With thanks to Rob Scharein for the use of h

  • 12:11 How Many Chess Games Are Possible?

    How Many Chess Games Are Possible?

    585 views / 0 likes - added

    Squarespace (10% off): http://squarespace.com/numberphile Dr James Grime talking about the Shannon Number and other chess stuff. More soon on chess positions and numbers. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www

  • 05:08 Popular How To Make SLIME & GALAXY SLIME | A Cool School Craft With Crafty Carol

    How To Make SLIME & GALAXY SLIME | A Cool School Craft With Crafty Carol

    3,951 views / 30 likes - added

    Over 2 billion of you have requested slime in the comments! Your wishes have been granted! Use three basic ingredients to create no borax slime and galaxy slime! Comment below with what other crafts you want to see from Crafty Carol. Subscribe to Cool Sch

  • 02:29 Popular Why Is Itching Contagious? With Dr Emily Grossman

    Why Is Itching Contagious? With Dr Emily Grossman

    774 views / 0 likes - added

    Does watching this video make you itch? Dr Emily Grossman explains why the ‘social itch’ might have evolved. Subscribe for regular science videos: http://bit.ly/RiSubscRibe It’s well known that an itch can be contagious – seeing a person scratch can make

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  • 11:50 Exoplanets: Crash Course Astronomy #27

    Exoplanets: Crash Course Astronomy #27

    607 views / 1 likes - added

    Today Phil explains that YES, there are other planets out there and astonomers have a lot of methods for detecting them. Nearly 2000 have been found so far. The most successful method is using transits, where a planet physically passes in front of its par

  • 03:20 Popular Why Do We Eat Spoiled Food?

    Why Do We Eat Spoiled Food?

    842 views / 1 likes - added

    Sponsored by Tab for a Cause: http://www.tabforacause.org?r=3  MinuteEarth is also now on Patreon! Please support us at: http://www.patreon.com/minuteearth And subscribe! - http://www.youtube.com/user/minuteearth?sub_confirmation=1 Thanks to: - Subbable s

  • 02:57 Popular Why Do Rivers Curve?

    Why Do Rivers Curve?

    800 views / 1 likes - added

    We're now on Patreon! Please support us at: http://www.patreon.com/minuteearth Can you find an oxbow lake in GoogleEarth? Share your findings (pictures or coordinates) on Twitter, Facebook and other social media using the hashtag #oxbowlake And subscribe!

  • 01:58 Extended: Beaker Ball Balance Problem

    Extended: Beaker Ball Balance Problem

    626 views / 0 likes - added

    Watch this first! https://www.youtube.com/watch?v=QD3hbVG1yxM Follow on Twitter: https://twitter.com/veritasium Follow on Facebook: https://www.facebook.com/veritasium Special thanks to the Department of Earth, Planetary and Space Sciences, especially Gar

  • 02:48 Popular How To Stop Yourself Being Ticklish - With Dr Emily Grossman

    How To Stop Yourself Being Ticklish - With Dr Emily Grossman

    1,074 views / 1 likes - added

    Are you ticklish? Dr Emily Grossman shows you how to use the science of tickling to stop yourself squirming when you're tickled. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Why do we feel ticklish? Why does it make us laugh? It’s hard

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  • 02:16 Popular Can You Walk In A Straight Line With Your Eyes Closed? With Dr Emily Grossman

    Can You Walk In A Straight Line With Your Eyes Closed? With Dr Emily Grossman

    804 views / 1 likes - added

    Have you ever tried walking in a straight line with your eyes closed? It’s remarkably hard to keep on track. Dr Emily Grossman explains why. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Visual information plays a key role in the way we

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  • 1:14:39 Periodic Success: The Hidden Beauty Of The Periodic Table

    Periodic Success: The Hidden Beauty Of The Periodic Table

    648 views / 0 likes - added

    Join a guided tour of science’s most iconic image with chemical physicist and material scientist Jamie Gallagher, geek songstress Helen Arney and nanoscientist Suze Kundu. Subscribe for regular science videos: http://bit.ly/RiSubscRibe The periodic table

  • 54:11 How To Clone A Mammoth: The Science Of De-Extinction - With Beth Shapiro

    How To Clone A Mammoth: The Science Of De-Extinction - With Beth Shapiro

    579 views / 0 likes - added

    Could we bring back mammoths? Should we bring back mammoths? Beth Shapiro explains the science of de-extinction and Jurassic Park, and asks if it’s a good idea at all. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Could extinct species,

  • 04:22 Popular Ratios, Rates, And Proportions — Harder Example | Math | New SAT | Khan Academy

    Ratios, Rates, And Proportions — Harder Example | Math | New SAT | Khan Academy

    940 views / 0 likes - added

    Watch Sal work through a harder Ratios, rates, and proportions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-easier?utm_source=YT&utm_medium=Desc&utm_campaign

  • 02:58 Popular Nonlinear Equation Graphs — Harder Example | Math | New SAT | Khan Academy

    Nonlinear Equation Graphs — Harder Example | Math | New SAT | Khan Academy

    1,268 views / 0 likes - added

    Watch Sal work through a harder Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewS

  • 02:01 Popular Radicals And Rational Exponents — Basic Example | Math | New SAT | Khan Academy

    Radicals And Rational Exponents — Basic Example | Math | New SAT | Khan Academy

    1,504 views / 0 likes - added

    Watch Sal work through a basic Radicals and rational exponents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-harder?utm_source=YT&utm_medium=Desc&utm_campaign

  • 21:02 Popular Writing: Argument — How-to Example | Reading & Writing | New SAT | Khan Academy

    Writing: Argument — How-to Example | Reading & Writing | New SAT | Khan Academy

    776 views / 0 likes - added

    Watch Sal work through an SAT Writing: Argument passage. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-reading-writing/new-sat-writing-passages/v/sat-writing-informational-passage?utm_source=YT&utm_medium=Desc&utm_campaign=N

  • 11:21 Distances: Crash Course Astronomy #25

    Distances: Crash Course Astronomy #25

    653 views / 2 likes - added

    How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the distance to and th

  • 01:37 Popular Engineering & Curiosity

    Engineering & Curiosity

    1,030 views / 1 likes - added

    Hey everybody. This is not a regular Kurzgesagt video. We made this clip for the National Academy of Engineerings video contest. http://www.nae.edu/e4u/ The goal of the contest was to make a video about how engineering changed our lifes to the better. Thi

  • 07:16 Popular Should This Lake Exist?

    Should This Lake Exist?

    781 views / 2 likes - added

    The Salton Sea is the largest body of water in California, home to the second most diverse group of birds in America and it exists by accident. Another great video on the Salton Sea: https://youtu.be/otIU6Py4K_A I used archive from this video. Music by Ke

  • 03:21 Popular Why Do Some Species Thrive In Cities?

    Why Do Some Species Thrive In Cities?

    723 views / 1 likes - added

    Urban development can be tough on wildlife. But some plants and animals are adapting to our cities in surprising ways. Thanks to squarespace.com for supporting this video. Go build a website! http://www.squarespace.com/minuteearth (use your 10% discount c

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  • 02:01 Popular Beaker Ball Balance Problem

    Beaker Ball Balance Problem

    876 views / 0 likes - added

    Acrylic Ball: http://bit.ly/BBBacrylic Ping-Pong Ball: http://bit.ly/BBBpingpong Balanced: http://bit.ly/BBBbalanced This problem has made the rounds on the internet but I felt it deserved a treatment like this. Special thanks to Gary and the Department o

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  • 02:04 Popular Deflecting Asteroids: Protecting The Earth From Future Catastrophic Events

    Deflecting Asteroids: Protecting The Earth From Future Catastrophic Events

    751 views / 0 likes - added

    Although massive asteroid impacts on Earth are rare, astronomers have identified thousands of asteroids close enough to Earth to be potentially hazardous. Learn from meteorite specialist Denton Ebel, Curator in the Division of Physical Sciences, how scien

  • 07:05 Why Are Bugs Attracted To Light? - Smarter Every Day 103

    Why Are Bugs Attracted To Light? - Smarter Every Day 103

    644 views / 1 likes - added

    Download your free Audio Book Here: http://bit.ly/AudibleSED Seriously... it's a pretty cool way to support my video making habit. ⇊ Click to Expand! ⇊ Filmed on location in the Rainforests of Eastern Peru. I was on a tour run by Rainforest Expeditions (h

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  • 07:14 Popular How To Win A Guessing Game - Numberphile

    How To Win A Guessing Game - Numberphile

    903 views / 0 likes - added

    A clever use of random numbers to improve your odds in a number guessing game. Alex Bellos Books: http://bit.ly/BellosBooks Monty Hall problem: http://bit.ly/MontyHallProb NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://ww

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  • 02:28 Popular Why Do We Only See One Side Of The Moon?

    Why Do We Only See One Side Of The Moon?

    816 views / 0 likes - added

    Thanks to squarespace.com for supporting this video. Go build a website! http://www.squarespace.com/minuteearth Thanks also to our Patreon patrons: - @AntoineCoeur - salar tel - @TodayIFoundOut1 - @82abhilash - Emil Kampp and our Subbable supporter: - @Gr

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  • 02:15 Popular Is Climate Change Just A Lot Of Hot Air?

    Is Climate Change Just A Lot Of Hot Air?

    1,092 views / 3 likes - added

    Check out www.lynda.com/minuteearth for 10 days of free online courses http://www.lynda.com/ Illustrations by: Jesse Agar - https://www.youtube.com/user/ThisPlaceChannel Thanks also to our Patreon patrons: - Jeff Straathof - Mark - Maarten Bremer - Today

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  • 03:15 Why Are There Clouds?

    Why Are There Clouds?

    648 views / 0 likes - added

    Thanks to the awesome science YouTube channel Animalogic for supporting this video. Check them out! https://www.youtube.com/channel/UCwg6_F2hDHYrqbNSGjmar4w?sub_confirmation=1 Thanks also to our Patreon patrons: - @AntoineCoeur - Jeff Straathof - Mark - f

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  • 02:48 Popular Why Don't Scavengers Get Sick?

    Why Don't Scavengers Get Sick?

    783 views / 1 likes - added

    Thanks to Harry’s for supporting this video. Use the coupon code MINUTEEARTH for $5 off your order! https://www.harrys.com/ Thanks also to our Patreon patrons: - @AntoineCoeur - Mark - @TodayIFoundOut1 - Emil Kampp Please support MinuteEarth on Patreon: h

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  • 02:58 Popular Do We Have To Get Old ?

    Do We Have To Get Old ?

    1,045 views / 1 likes - added

    We’d like to thank Focus Features for sponsoring this video – and for inviting us to pre-screen their summer 2015 film “Self/Less”. It’s a sci-fi flick that explores memory, consciousness, and immortality, and it made us think about the types of immortali

  • 08:25 Popular Klein Bottles - Numberphile

    Klein Bottles - Numberphile

    855 views / 0 likes - added

    Cliff Stoll is passionate about Klein Bottles. Don't miss the video about how he uses a robot to store 1,000 bottles UNDER his house... https://youtu.be/-k3mVnRlQLU More videos on Klein Bottles: http://bit.ly/KleinBottles ACME Klein Bottles: http://bit.ly

  • 13:29 Popular Numbers With Meaning - Numberphile

    Numbers With Meaning - Numberphile

    710 views / 0 likes - added

    Thanks to: http://www.audible.com/numberphile This video features Dr Sarah Wiseman from UCL on numbers that are familiar - and things that can go wrong in our brains. Editing and animation in this video by Pete McPartlan. Books available on Audible by Num

  • 11:55 Popular Comets: Crash Course Astronomy #21

    Comets: Crash Course Astronomy #21

    744 views / 0 likes - added

    Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into gas, forming the long tail, and also releases dust that forms a different tail. We’ve visited comets

  • 05:22 Popular The Essentials Of Energy

    The Essentials Of Energy

    896 views / 1 likes - added

    Check out our whole series on ENERGY! http://bit.ly/1BnH5zu Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ The world of energy is a confusing place. What’s better, nuclear or solar? What’s the difference between

  • 02:55 Popular Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

    Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

    1,233 views / 0 likes - added

    Watch Sal work through a basic Linear equations word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

  • 07:14 Content Changes To The New SAT | Tips & Planning | New SAT | Khan Academy

    Content Changes To The New SAT | Tips & Planning | New SAT | Khan Academy

    648 views / 0 likes - added

    Sal covers the major content changes to the new SAT. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-math-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous l

  • 11:33 Popular Asteroids: Crash Course Astronomy #20

    Asteroids: Crash Course Astronomy #20

    730 views / 1 likes - added

    Now that we’ve finished our tour of the planets, we’re headed back to the asteroid belt. Asteroids are chunks of rock, metal, or both that were once part of smallish planets but were destroyed after collisions. Most orbit the Sun between Mars and Jupiter,

  • 12:19 Popular Uranus & Neptune: Crash Course Astronomy #19

    Uranus & Neptune: Crash Course Astronomy #19

    2,263 views / 13 likes - added

    Today we’re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird rotation and relativ

  • 01:54 Popular 1 To 200 On Google Image Search - Numberphile

    1 To 200 On Google Image Search - Numberphile

    818 views / 0 likes - added

    Results of Google Image Searches for the numbers 1 to 200 (written as numerals). Music by Alan Stewart. Website: http://www.numberphile.com/ Discuss on Reddit: http://redd.it/2zozor Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile

  • 13:40 Popular The Amazing Heptadecagon (17-gon) - Numberphile

    The Amazing Heptadecagon (17-gon) - Numberphile

    811 views / 0 likes - added

    More on the math behind this: http://youtu.be/oYlB5lUGlbw Professor David Eisenbud - director of MSRI - on the amazing 17-gon and its link to Gauss. See end of this video for a bit MSRI's address at 17 Gauss Way! NUMBERPHILE Website: http://www.numberphil

  • 03:14 Popular Rock Paper LIZARDS - Numberphile

    Rock Paper LIZARDS - Numberphile

    814 views / 1 likes - added

    Hannah Fry on parallels between the game "rock paper scissors" and lizards in nature. PART ONE: http://youtu.be/rudzYPHuewc EXTRA FOOTAGE: http://youtu.be/ygHwBxWyI6E Lizards by Pete McPartlan NUMBERPHILE Website: http://www.numberphile.com/ Numberphile o

  • 09:45 Popular How To Always Win At Dots And Boxes - Numberphile

    How To Always Win At Dots And Boxes - Numberphile

    825 views / 0 likes - added

    Create your site on Squarespace: http://www.squarespace.com/numberphile This video features 'games legend' Elwyn Berlekamp. Elwyn's book on Dots and Boxes: http://bit.ly/DotsBoxesBook Elwyn's Winning Ways on Amazon: http://amzn.to/1BIA6UB Extra footage ab

  • 07:43 Popular How To Trisect An Angle With Origami - Numberphile

    How To Trisect An Angle With Origami - Numberphile

    759 views / 0 likes - added

    Zsuzsanna Dancso trisects an angle using origami - follows on from this video about Euclidean geometry: http://youtu.be/6Lm9EHhbJAY Special thanks to the Patreon supporters listed below: Herschal Sanders (from Susan) Lê OK Merli Alex Bozzi Thomas J

  • 07:10 The 'Everything' Formula - Numberphile

    The 'Everything' Formula - Numberphile

    676 views / 0 likes - added

    Matt Parker discusses Tupper's Self-Referential Formula. Matt's book on Amazon (US): http://bit.ly/Matt_4D_US Matt's book on Amazon (UK): http://bit.ly/Matt_4D_UK A little bit of extra footage from this video: http://youtu.be/wx22jdwn5zQ Thanks to our Pat

  • 09:22 Popular The Best (and Worst) Ways To Shuffle Cards - Numberphile

    The Best (and Worst) Ways To Shuffle Cards - Numberphile

    867 views / 0 likes - added

    Persi Diaconis (Stanford University) on card shuffling. See full description for links to additional videos and detailed papers. EXTRAS FROM THIS INTERVIEW --- 1/3: https://youtu.be/1jfm42Qd7Qw --- 2/3: http://youtu.be/c_Hunaf0tWw --- 3/3: http://youtu.be

  • 07:42 Popular The Useless Number - Numberphile

    The Useless Number - Numberphile

    1,091 views / 0 likes - added

    One of the first people to stumble over imaginary numbers (namely the square root of -15) thought it was "subtle" and "useless". Featuring Barry Mazur. Extra footage from this interview: http://youtu.be/i4GCd2xOCDg Barry's book on this topic: http://bit.l

  • 03:44 Something Special About 399 (and 2015) - Numberphile

    Something Special About 399 (and 2015) - Numberphile

    626 views / 0 likes - added

    It is the lowest Lucas-Carmichael Number... Featuring Ed Copeland. More about Ed's real work: http://bit.ly/CopelandGoesLong With thanks to these Patreon supporters: Herschal Sanders (from Susan) Today I Found Out Lê OK Merli Alex Bozzi Thomas J Petersen

  • 09:39 Popular Vision: Crash Course A&P #18

    Vision: Crash Course A&P #18

    1,272 views / 0 likes - added

    Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how your sense of vision works -- and how it can be tricked. *** Table of Contents The Structure of th

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  • 18:39 Popular Billionaire Mathematician - Numberphile

    Billionaire Mathematician - Numberphile

    765 views / 0 likes - added

    Full length version of this interview (one hour): https://youtu.be/QNznD9hMEh0 More about The Simons Foundation: http://bit.ly/SimonsFoundation James Harris Simons has been described as "the world's smartest billionaire", amassing a fortune through the cl

  • 04:40 Popular How Cosmic Rays Help Us Understand The Universe - Veronica Bindi

    How Cosmic Rays Help Us Understand The Universe - Veronica Bindi

    718 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-cosmic-rays-help-us-understand-the-universe-veronica-bindi We only know 4% of what the universe is made up of. Can we also know what lies beyond our galaxy ... and if there are undiscovered forms of matter?

  • 04:44 The Professor In Russia - Periodic Table Of Videos

    The Professor In Russia - Periodic Table Of Videos

    657 views / 0 likes - added

    Professor Poliakoff and Ruthenium - discovered by Karl Claus and named after Russia. More Christmas stuff at http://periodicvideos.blogspot.co.uk/2013/12/a-christmas-lecture.html The Professor thanks the Academy of Sciences of the Republic of Tatarstan fo

  • 01:38 Disney's Tomorrowland - Citizens Of Tomorrowland

    Disney's Tomorrowland - Citizens Of Tomorrowland

    520 views / 0 likes - added

    Disney's Tomorrowland comes to theaters May 22, 2015! From Disney comes two-time Oscar® winner Brad Bird’s “Tomorrowland,” a riveting mystery adventure starring Academy Award® winner George Clooney. Bound by a shared destiny, former boy-genius Frank (Cloo

  • 09:03 Seaborgium - Periodic Table Of Videos

    Seaborgium - Periodic Table Of Videos

    577 views / 0 likes - added

    We're at Berkeley for filming of a new video about Seaborgium - a synthetic element named after the legendary Glenn Seaborg. With thanks to Darleane Hoffman and Alexander Pines at the University of California, Berkeley, and to the Lawrence Berkeley Nation

  • 15:54 Popular The psychology of self-motivation | Scott Geller | TEDxVirginiaTech

    The psychology of self-motivation | Scott Geller | TEDxVirginiaTech

    857 views / 0 likes - added

    Never miss a talk! SUBSCRIBE to the TEDx channel: http://bit.ly/1FAg8hB Scott Geller is Alumni Distinguished Professor at Virginia Tech and Director of the Center for Applied Behavior Systems in the Department of Psychology. He is a Fellow of the American

  • 12:56 Popular Monkeys And Coconuts - Numberphile

    Monkeys And Coconuts - Numberphile

    734 views / 0 likes - added

    An old problem which baffled many people. Featuring Dr Tony Padilla. Editing and animation in this film by Pete McPartlan - https://twitter.com/petemcpartlan NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com

  • 11:34 Popular That Viral Math Problem (Cheryl's Birthday) - Numberphile

    That Viral Math Problem (Cheryl's Birthday) - Numberphile

    747 views / 0 likes - added

    Simon Pampena gives his take on THAT viral math problem from Singapore. EXTRA FOOTAGE for this video: http://youtu.be/Mj-YngjjpJg Simon on Twitter: https://twitter.com/mathemaniac NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: h

  • 03:15 Popular Should You Catch A Tossed Coin? - Numberphile

    Should You Catch A Tossed Coin? - Numberphile

    1,575 views / 0 likes - added

    Randomness expert (and former magician) Persi Diaconis on whether it is best to catch a coin or let it fall to the ground. Main video: http://youtu.be/AYnJv68T3MM Extra footage: http://youtu.be/9RKKoXw7wJw Superbowl coin tosses: http://youtu.be/bFfSfzjhfC

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  • 05:48 Popular Winning At Rock Paper Scissors - Numberphile

    Winning At Rock Paper Scissors - Numberphile

    879 views / 0 likes - added

    Squarespace: http://www.squarespace.com/numberphile This video features Hannah Fry - https://twitter.com/fryrsquared More on this topic (and lizards): http://youtu.be/Z8lv2vy5vco And even more on this topic: http://youtu.be/ygHwBxWyI6E The paper: http://b

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  • 16:51 Popular Euclid's Big Problem - Numberphile

    Euclid's Big Problem - Numberphile

    922 views / 0 likes - added

    Trisecting angles and calculating cube roots was a big problem for Euclid and his cohorts. Discussed by Zsuzsanna Dancso at MSRI. TRISECT WITH ORIGAMI: http://youtu.be/SL2lYcggGpc CIRCLE THE SQUARE: http://youtu.be/CMP9a2J4Bqw NUMBERPHILE Website: http://

  • 03:12 Why Is The Solar System Flat?

    Why Is The Solar System Flat?

    615 views / 0 likes - added

    Thanks to Embry-Riddle Aeronautical University for supporting us on Subbable.com! - http://prescott.erau.edu A big thanks as well to Subbable supporters The Great Tobini (aka Tobyn Pearson) and Georgi Yanev! You make it possible for us to continue making

  • 02:28 Popular Tomorrowland Official Trailer #2 (2015) - George Clooney, Britt Robertson Movie HD

    Tomorrowland Official Trailer #2 (2015) - George Clooney, Britt Robertson Movie HD

    727 views / 0 likes - added

    Subscribe to TRAILERS: http://bit.ly/sxaw6h Subscribe to COMING SOON: http://bit.ly/H2vZUn Like us on FACEBOOK: http://goo.gl/dHs73 Follow us on TWITTER: http://bit.ly/1ghOWmt Tomorrowland Official Trailer #2 (2015) - George Clooney, Britt Robertson Movie

  • 07:34 Popular Why People Don't Believe In Climate Science

    Why People Don't Believe In Climate Science

    802 views / 0 likes - added

    Watch Part 1:“The Facts” http://youtu.be/ffjIyms1BX4 Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on

  • 06:20 Climate Science: What You Need To Know

    Climate Science: What You Need To Know

    651 views / 1 likes - added

    Learn the basic science of climate change in 24 easy steps Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Foll

  • 03:23 SI Kids At The World Series

    SI Kids At The World Series

    691 views / 0 likes - added

    Kid Reporter Julia Maddock went to the World Series in Detroit to chat with some baseball legends, tour beautiful Comerica Park and watch the San Francisco Giants take on the hometown Tigers.

  • 18:58 Popular Mariano Rivera: The Sports Illustrated Kids Interview

    Mariano Rivera: The Sports Illustrated Kids Interview

    753 views / 1 likes - added

    Kid Reporter Amiri Tulloch sits down with Yankees legend Mariano Rivera to talk about the young adult version of his book The Closer, as well as his career and his experience last year on his retirement tour.

  • 02:00 Popular Star Wars: The Force Awakens Official Teaser #2

    Star Wars: The Force Awakens Official Teaser #2

    1,373 views / 7 likes - added

    Get your first look at the new Star Wars: The Force Awakens teaser #2!Lucasfilm and visionary director J.J. Abrams join forces to take you back again to a galaxy far, far away as “Star Wars” returns to the big screen with “Star Wars: The

  • 05:40 Popular Space School- Milky Way

    Space School- Milky Way

    783 views / 2 likes - added

    Despite being one of billions of galaxies in the universe, the Milky Way is special. Nestled in a corner of this gigantic galaxy sits Earth, a simple grain of sand tucked away among countless clusters of stars.

  • 03:26 Popular Somebody That I Used To Know - Pentatonix (Gotye cover)

    Somebody That I Used To Know - Pentatonix (Gotye cover)

    949 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:27 We Are Young - Pentatonix (Fun Cover)

    We Are Young - Pentatonix (Fun Cover)

    649 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:10 Popular When Love Takes Over - Pentatonix feat. Natalie Weiss (David Guetta feat. Kelly Rowland Cover)

    When Love Takes Over - Pentatonix feat. Natalie Weiss (David Guetta feat. Kelly Rowland Cover)

    803 views / 0 likes - added

    ORDER PTXMAS DELUXE EDITION - http://smarturl.it/PTXmas?IQid=yt ORDER PTX VOL. 2 - http://smarturl.it/PTXVolume2?IQid=yt ORDER PTX VOL. 1 - http://smarturl.it/PTXVol1?IQid=yt http://www.ptxofficial.com http://www.twitter.com/ptxofficial @ptxofficial http:

  • 03:43 Popular As Long As You Love Me / Wide Awake - Pentatonix (Justin Bieber / Katy Perry Cover)

    As Long As You Love Me / Wide Awake - Pentatonix (Justin Bieber / Katy Perry Cover)

    957 views / 3 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:40 Popular [Official Video] Starships - Pentatonix (Nicki Minaj Cover)

    [Official Video] Starships - Pentatonix (Nicki Minaj Cover)

    1,190 views / 4 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:36 Popular Payphone - Pentatonix (Maroon 5 Cover)

    Payphone - Pentatonix (Maroon 5 Cover)

    840 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:24 Popular GANGNAM STYLE (강남 스타일) - Pentatonix (PSY Cover)

    GANGNAM STYLE (강남 스타일) - Pentatonix (PSY Cover)

    1,139 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:15 Popular [Official Video] Aha! - Pentatonix (Imogen Heap Cover)

    [Official Video] Aha! - Pentatonix (Imogen Heap Cover)

    1,026 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:11 Popular [Official Video] Carol of the Bells - Pentatonix

    [Official Video] Carol of the Bells - Pentatonix

    1,201 views / 6 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY P

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  • 03:57 NSYNC Medley - Pentatonix

    NSYNC Medley - Pentatonix

    588 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:37 Popular [Official Video] Save the World/Don't You Worry Child - Pentatonix (Swedish House Mafia Cover)

    [Official Video] Save the World/Don't You Worry Child - Pentatonix (Swedish House Mafia Cover)

    823 views / 3 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:29 Popular Thrift Shop - Pentatonix (Macklemore&Ryan Lewis cover)

    Thrift Shop - Pentatonix (Macklemore&Ryan Lewis cover)

    770 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:22 Popular [Official Video] Radioactive - Pentatonix&Lindsey Stirling (Imagine Dragons cover)

    [Official Video] Radioactive - Pentatonix&Lindsey Stirling (Imagine Dragons cover)

    2,040 views / 17 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:29 Popular Evolution of Music - Pentatonix

    Evolution of Music - Pentatonix

    883 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:09 Popular [Official Video] Can't Hold Us - Pentatonix (Macklemore&Ryan Lewis cover)

    [Official Video] Can't Hold Us - Pentatonix (Macklemore&Ryan Lewis cover)

    947 views / 4 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:31 Popular [Official Video] Royals - Pentatonix (Lorde Cover)

    [Official Video] Royals - Pentatonix (Lorde Cover)

    1,405 views / 5 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 06:11 Popular Evolution of Beyoncé - Pentatonix

    Evolution of Beyoncé - Pentatonix

    778 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:56 Popular [Official Video] Daft Punk - Pentatonix

    [Official Video] Daft Punk - Pentatonix

    991 views / 9 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:17 Popular [Official Video] Cruisin' for a Bruisin' - Pentatonix

    [Official Video] Cruisin' for a Bruisin' - Pentatonix

    816 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:14 Popular [Official Video] Little Drummer Boy - Pentatonix

    [Official Video] Little Drummer Boy - Pentatonix

    994 views / 4 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:36 [Official Video] Angels We Have Heard On High - Pentatonix

    [Official Video] Angels We Have Heard On High - Pentatonix

    693 views / 4 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:24 Popular [Official Video] I Need Your Love - Pentatonix (Calvin Harris feat. Ellie Goulding Cover)

    [Official Video] I Need Your Love - Pentatonix (Calvin Harris feat. Ellie Goulding Cover)

    1,080 views / 3 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:26 [Official Video] Run to You - Pentatonix

    [Official Video] Run to You - Pentatonix

    658 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:40 Popular [Official Video] Say Something - Pentatonix (A Great Big World&Christina Aguilera Cover)

    [Official Video] Say Something - Pentatonix (A Great Big World&Christina Aguilera Cover)

    1,009 views / 4 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:23 Popular Happy - Pentatonix (Pharrell Cover)

    Happy - Pentatonix (Pharrell Cover)

    732 views / 5 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:20 Popular [Official Video] Love Again - Pentatonix

    [Official Video] Love Again - Pentatonix

    1,581 views / 6 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:38 Popular [Official Video] Problem - Pentatonix (Ariana Grande Cover)

    [Official Video] Problem - Pentatonix (Ariana Grande Cover)

    3,029 views / 18 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

    Featured
  • 04:11 Popular [Official Video] La La Latch - Pentatonix (Sam Smith/Disclosure/Naughty Boy Mashup)

    [Official Video] La La Latch - Pentatonix (Sam Smith/Disclosure/Naughty Boy Mashup)

    1,260 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:14 Popular [Official Video] Papaoutai– Pentatonix ft. Lindsey Stirling (Stromae Cover)

    [Official Video] Papaoutai– Pentatonix ft. Lindsey Stirling (Stromae Cover)

    1,093 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:10 Popular [Official Video] Rather Be - Pentatonix (Clean Bandit Cover)

    [Official Video] Rather Be - Pentatonix (Clean Bandit Cover)

    1,171 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:10 Popular [Official Video] White Winter Hymnal - Pentatonix (Fleet Foxes Cover)

    [Official Video] White Winter Hymnal - Pentatonix (Fleet Foxes Cover)

    1,154 views / 10 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT | BUY WHITE WINTER HYMNAL VIDEO http://smarturl.it/PTXWWHiTv BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | B

  • 03:46 Popular [Official Video] Winter Wonderland/Don’t Worry Be Happy - Pentatonix (ft Tori Kelly)

    [Official Video] Winter Wonderland/Don’t Worry Be Happy - Pentatonix (ft Tori Kelly)

    894 views / 3 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY“THAT’S CHRISTMAS TO ME” http://smarturl.it/PTXtctmiT?iqiD=YT | BUY "WINTER WONDERLAND/DON'T WORRY BE HAPPY" VIDEO http://smarturl.it/PTXWWiTv BUY PTX VOL III http://smarturl.i

  • 04:05 Popular [Official Video] Mary, Did You Know? - Pentatonix

    [Official Video] Mary, Did You Know? - Pentatonix

    1,354 views / 17 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY“THAT’S CHRISTMAS TO ME” http://smarturl.it/PTXtctmiT?iqiD=YT | BUY "MARY, DID YOU KNOW?" VIDEO http://smarturl.it/PTXMDYKiTv BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt

  • 03:25 Popular [Official Video] That’s Christmas To Me - Pentatonix

    [Official Video] That’s Christmas To Me - Pentatonix

    882 views / 1 likes - added

    WATCH OUR VLOG to Find Out What Christmas Means to PTX http://smarturl.it/PTXtctmVlog 2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smartu

  • 03:42 Popular [Official Video] Silent Night (Live) - Pentatonix

    [Official Video] Silent Night (Live) - Pentatonix

    732 views / 3 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:21 Popular [Official Video] Dance of the Sugar Plum Fairy - Pentatonix

    [Official Video] Dance of the Sugar Plum Fairy - Pentatonix

    1,143 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:10 Popular [Yule Log Audio] Hark! The Herald Angels Sing - Pentatonix

    [Yule Log Audio] Hark! The Herald Angels Sing - Pentatonix

    924 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:48 [Yule Log Audio] White Winter Hymnal - Pentatonix

    [Yule Log Audio] White Winter Hymnal - Pentatonix

    653 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:17 [Yule Log Audio] Sleigh Ride - Pentatonix

    [Yule Log Audio] Sleigh Ride - Pentatonix

    654 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:29 [Yule Log Audio] Winter Wonderland / Don't Worry Be Happy - Pentatonix ft Tori Kelly

    [Yule Log Audio] Winter Wonderland / Don't Worry Be Happy - Pentatonix ft Tori Kelly

    687 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:03 [Yule Log Audio] That's Christmas to Me - Pentatonix

    [Yule Log Audio] That's Christmas to Me - Pentatonix

    584 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:24 Popular [Yule Log Audio] Mary, Did you Know? - Pentatonix

    [Yule Log Audio] Mary, Did you Know? - Pentatonix

    746 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:08 [Yule Log Audio] Dance of the Sugar Plum Fairy - Pentatonix

    [Yule Log Audio] Dance of the Sugar Plum Fairy - Pentatonix

    574 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:06 [Yule Log Audio] It's the Most Wonderful Time of the Year - Pentatonix

    [Yule Log Audio] It's the Most Wonderful Time of the Year - Pentatonix

    679 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:43 [Yule Log Audio] Santa Claus is Coming to Town - Pentatonix

    [Yule Log Audio] Santa Claus is Coming to Town - Pentatonix

    688 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:14 Popular [Yule Log Audio] Silent Night - Pentatonix

    [Yule Log Audio] Silent Night - Pentatonix

    724 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:27 [Yule Log Audio] Let it Go - Pentatonix

    [Yule Log Audio] Let it Go - Pentatonix

    604 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:04 Pentatonix Holiday Video Guide

    Pentatonix Holiday Video Guide

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    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:24 Popular [Yule Log Audio] This Christmas - Pentatonix

    [Yule Log Audio] This Christmas - Pentatonix

    779 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:42 Popular [Yule Log Audio] Angels We Have Heard on High - Pentatonix

    [Yule Log Audio] Angels We Have Heard on High - Pentatonix

    1,380 views / 2 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

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  • 03:14 Popular [Yule Log Audio] Carol of the Bells - Pentatonix

    [Yule Log Audio] Carol of the Bells - Pentatonix

    867 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:04 [Yule Log Audio] Go Tell It On the Mountain - Pentatonix

    [Yule Log Audio] Go Tell It On the Mountain - Pentatonix

    569 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 04:12 Popular [Yule Log Audio] Little Drummer Boy - Pentatonix

    [Yule Log Audio] Little Drummer Boy - Pentatonix

    713 views / 4 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:36 [Yule Log Audio] O Come, O Come Emmanuel - Pentatonix

    [Yule Log Audio] O Come, O Come Emmanuel - Pentatonix

    585 views / 1 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 02:26 Popular [Yule Log Audio] O Holy Night - Pentatonix

    [Yule Log Audio] O Holy Night - Pentatonix

    721 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 03:44 [Yule Log Audio] The Christmas Song (Chestnuts Roasting on an Open Fire) - Pentatonix

    [Yule Log Audio] The Christmas Song (Chestnuts Roasting on an Open Fire) - Pentatonix

    577 views / 0 likes - added

    2015 TOUR DATES (CITIES&VENUES LISTED BELOW) -- http://ptxofficial.com/tour BUY THAT’S CHRISTMAS TO ME http://smarturl.it/PTXtctmiT?iqiD=YT BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | BUY PTXMAS http://smarturl.it/PTXmas?IQId=yt | BUY PTX VOL I h

  • 00:58 SUMMER TOUR ANNOUNCEMENT - WE’RE GOING ON THE ROAD WITH KELLY CLARKSON!!!

    SUMMER TOUR ANNOUNCEMENT - WE’RE GOING ON THE ROAD WITH KELLY CLARKSON!!!

    628 views / 0 likes - added

    For all the tour pre-sale details, visit KellyClarkson.com NOW and check to see if we’re is coming to a city near you. See our upcoming On My Way Home World Tour dates below or head to PTXofficial.com. Can’t wait to see you!! _____________________________

  • 02:08 Popular "Snowman" Clip - The Story of Frozen: Making a Disney Animated Classic

    "Snowman" Clip - The Story of Frozen: Making a Disney Animated Classic

    1,857 views / 3 likes - added

    Did you know "Do You Want to Build a Snowman?" almost did not make the final cut? Learn more this Tuesday at 8pm on ABC in The Story of Frozen: Making a Disney Animated Classic.Viewers will get a rare look inside Walt Disney Animation Studios and unpreced

  • 03:25 Popular Great Museums of Havana: Curious about Cuba (webisode)

    Great Museums of Havana: Curious about Cuba (webisode)

    866 views / 0 likes - added

    A preview of Great MuseumsTV's episode featuring the museums of Cuba, including the City of old Havana - a living museum - which aired on public television stations in December 2008. GREAT MUSEUMS OF HAVANA: CURIOUS ABOUT CUBA -- narrated by Mariel Heming

  • 56:50 Popular Great Museums: Elevated Thinking: The High Line in New York City

    Great Museums: Elevated Thinking: The High Line in New York City

    807 views / 1 likes - added

    Narrated by actress Susan Sarandon, this hour-long documentary film showcases the High Line, a most unusual and unlikely public park. Since opening in 2009, it has become a top global tourist destination, with nearly 5 million visitors annually. Since 199

  • 05:18 Popular Sesame Street: Star S'Mores (Star Wars Parody)

    Sesame Street: Star S'Mores (Star Wars Parody)

    1,064 views / 4 likes - added

    A long time ago in a cookies and milky way galaxy far, far away...Princess Parfaya was taken prisoner by the Evil Galactic Empire and had to be saved by a group of unlikely heroes including the young Luke Piewalker, Flan Solo, and Chewie,the Cookiee. Subs

  • 14:20 Popular The Reagan Revolution: Crash Course US History #43

    The Reagan Revolution: Crash Course US History #43

    1,181 views / 1 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th

  • 12:47 War&Expansion: Crash Course US History #17

    War&Expansion: Crash Course US History #17

    647 views / 0 likes - added

    In which John Green teaches you about the Mexican-American War in the late 1840s, and the expansion of the United States into the western end of North America. In this episode of Crash Course, US territory finally reaches from the Atlantic coast to the Pa

  • 10:34 Popular The Global Carbon Cycle - Crash Course Chemistry #46

    The Global Carbon Cycle - Crash Course Chemistry #46

    1,711 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

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  • 09:42 Popular The History of Atomic Chemistry: Crash Course Chemistry #37

    The History of Atomic Chemistry: Crash Course Chemistry #37

    1,056 views / 0 likes - added

    You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

  • 09:26 Energy&Chemistry: Crash Course Chemistry #17

    Energy&Chemistry: Crash Course Chemistry #17

    648 views / 0 likes - added

    Grumpy Professor Hank admits to being wrong about how everything is chemicals. But he now wants you to listen as he blows your mind with a new sweeping statement: everything (yes, really everything this time) is energy. What?! This week, Hank takes us on

  • 11:22 Popular The Periodic Table: Crash Course Chemistry #4

    The Periodic Table: Crash Course Chemistry #4

    1,161 views / 1 likes - added

    Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different sorts of atoms in the


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