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  • 08:38 Are You REALLY Sick? (false Positives) - Numberphile

    Are You REALLY Sick? (false Positives) - Numberphile

    670 views / 0 likes - added

    Bayes' Theorem applied to disease diagnosis. Featuring Lisa Goldberg from UC Berkeley Department of Statistics. Extra footage: https://youtu.be/sFNJc6gsap4 Monty Hall: http://bit.ly/MontyHallProb NUMBERPHILE Website: http://www.numberphile.com/ Numberphil

  • 26:19 Popular Perfect Shapes In Higher Dimensions - Numberphile

    Perfect Shapes In Higher Dimensions - Numberphile

    795 views / 0 likes - added

    Carlo Sequin talks through platonic solids and regular polytopes in higher dimensions. Extra footage (Hypernom): https://youtu.be/unC0Y3kv0Yk More videos with with Carlo: http://bit.ly/carlo_videos Edit and animation by Pete McPartlan Pete used Stella4D -

  • 09:28 The Heart Of Fermat's Last Theorem - Numberphile

    The Heart Of Fermat's Last Theorem - Numberphile

    675 views / 0 likes - added

    Modularity... Simon Pampena gets to the heart of proving Fermat's Last Theorem. Audible: www.audible.com/numberphile More Numberphile videos on Fermat: http://bit.ly/fermat_videos Simon Pampena is Australia's Numeracy Ambassador --- https://twitter.com/ma

  • 02:26 Popular Beach Blast | Clarence | Original Short | Cartoon Network

    Beach Blast | Clarence | Original Short | Cartoon Network

    786 views / 0 likes - added

    Clarence, Jeff and Sumo are having a great time at the beach! They are doing their own thing until Clarence has the idea that they should build him a giant mermaid body out of sand. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MO

  • 02:08 Popular The Deadliest Ice Age Ever

    The Deadliest Ice Age Ever

    875 views / 0 likes - added

    A big thank you to our supporters on https://www.patreon.com/MinuteEarth : - Today I Found Out - Maarten Bremer - Jeff Straathof - Mark Roth - Tony Fadell - Muhammad Shifaz - 靛蓝字幕组 - Maletendo Bezenga - Kapero - Candy - Zarko Obrenovic - Duhilio Patiño -

  • 03:17 Popular Make Your Own Watercolors!

    Make Your Own Watercolors!

    831 views / 1 likes - added

    Have you ever wanted to make a painting but you’ve run out of paint? Learn how you can make your own watercolors with Jessi and Squeaks! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold

    Featured
  • 02:20 Popular What Are Eye Boogers?

    What Are Eye Boogers?

    1,004 views / 0 likes - added

    The gunk builds up at the inner corners of our eyes is residue of the stuff the coats and protects our eyeballs all the time. Learn what it’s made of and why it turns to sand overnight. Learn more at HowStuffWorks.com: http://health.howstuffworks.com/huma

  • 01:40 Popular Food Run Bet | Regular Show | Cartoon Network

    Food Run Bet | Regular Show | Cartoon Network

    785 views / 1 likes - added

    Rigby's high school nemesis returns and threatens to ruin his chances at passing gym class and graduating high school. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/CNRegularShow About Regular Show: Best friend

  • 11:15 Popular Minecraft | HEADS IN MY HOTBAR?!

    Minecraft | HEADS IN MY HOTBAR?!

    912 views / 7 likes - added

    Minecraft | HEADS IN MY HOTBAR?! ► Subscribe and join TeamTDM! :: http://bit.ly/TxtGm8 ► Previous video :: https://youtu.be/R-8odwLMsp8 ► Follow Me on Twitter :: http://www.twitter.com/DiamondMinecart Today in another Minecraft Minigame, we're back runnin

  • 13:00 Problems with Zero - Numberphile

    Problems with Zero - Numberphile

    587 views / 0 likes - added

    Dividing by zero, zero divided by zero and zero to the power of zero - all pose problems! Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile This video features Matt Parker and James Grime - ht

  • 03:56 Popular Why Are Humans Slower Than Most Animals?

    Why Are Humans Slower Than Most Animals?

    712 views / 0 likes - added

    Compared to some mammals humans are a relatively slow animal. Why didn’t we evolve to be faster? Why Your Body Is Built To Run Long Distances ►►►► bit.ly/1LETcmJ Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Exceptional Ev

  • 04:34 Popular Why Don't All Skeletons Become Fossils?

    Why Don't All Skeletons Become Fossils?

    2,155 views / 5 likes - added

    Skeletons of ancient animals sometimes become fossilized. But if this happened to every animal that ever lived, wouldn’t we be swimming in a sea of fossils right now? BrainStuff explains why only a fraction of animal bones turn into fossils. Learn more at

  • 03:59 Popular Why Do We 'See Stars'?

    Why Do We 'See Stars'?

    775 views / 0 likes - added

    When you bash your head and “see stars,” what’s going on? Why does your brain pick this moment to give you a laser light show? Josh explains the phenomenon of seeing stars in this Brainstuff video. Learn more at HowStuffWorks.com Share on Facebook: https:

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  • 02:20 Popular Sesame Street: Elmo Visits Baby Animals (Elmo At The Zoo #4)

    Sesame Street: Elmo Visits Baby Animals (Elmo At The Zoo #4)

    796 views / 0 likes - added

    Elmo's so excited because he gets to play with all the baby animals at the San Diego Zoo today! Baby animals need a lot of help from their mommies and daddies. Just like you, when the animals are babies, they need to learn how to walk, climb, swim, and ru

  • 02:15 Popular Run Blossom Run | Powerpuff Girls | Original Short | Cartoon Network

    Run Blossom Run | Powerpuff Girls | Original Short | Cartoon Network

    774 views / 4 likes - added

    New Series Coming in April! Blossom oversleeps, and she’ll stop at nothing to make it to school before she ruins her perfect attendance record! Blossom, Bubbles and Buttercup, the original arbiters of girl power, are back on Cartoon Network! The Powerpuff

  • 11:10 Popular Revenue, Profits, And Price: Crash Course Economics #24

    Revenue, Profits, And Price: Crash Course Economics #24

    833 views / 0 likes - added

    How do companies make money? What are profits? Revenues? How are prices set? This week, Jacob and Adriene are talking business. Whether you're selling cars, pizza, or glow sticks, this video has pretty much all the information you need to run a business.

  • 13:20 Popular Shuffling Card Trick - Numberphile

    Shuffling Card Trick - Numberphile

    738 views / 0 likes - added

    Free audio book: http://www.audible.com/numberphile Jason Davison shows us a cool card trick using the so-called Gilbreath Principle. More card videos from Numberphile: http://bit.ly/Cards_Shuffling Jason's website: http://davisonmagic.com NUMBERPHILE Web

  • 03:36 Popular What’s The Difference Between Jet Fuel And Car Fuel?

    What’s The Difference Between Jet Fuel And Car Fuel?

    782 views / 2 likes - added

    Jet fuel and car fuel both come from crude oil, but you definitely can’t put jet fuel in your car to make it go faster. Why not? Why Food Tastes Worse on Planes ►►►► http://bit.ly/1LEu75C Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG

  • 04:04 Popular How Snakes Jump And Move Without Legs

    How Snakes Jump And Move Without Legs

    1,473 views / 9 likes - added

    Snakes evolved without legs, but how are they able to move? Why Is Everyone Afraid of Snakes? ►►►► http://bit.ly/1RLejo8 Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Four-Legged Fossil Snake Is a World First http://www.na

  • 12:49 Popular Scientific Notation Examples | Pre-Algebra | Khan Academy

    Scientific Notation Examples | Pre-Algebra | Khan Academy

    1,167 views / 0 likes - added

    More scientific notation examples Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/scientific_notation?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra W

  • 02:36 Popular Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,041 views / 0 likes - added

    Laying the foundation for algebraic thinking by learning to recognize the relationships between patterns and graphing out those relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applyin

  • 00:52 Popular Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,376 views / 0 likes - added

    Let's start with this bar chart that brings back the days of Harry Potter! Putting our toes in the water on this one... Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/

  • 07:34 Popular Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,100 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math

  • 03:21 Popular Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

    Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

    1,717 views / 0 likes - added

    Word problems force us to put concepts to work using real-world applications. In this example, determine the volume of frozen water and express the answer as a fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.o

  • 02:48 Popular Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,037 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/

  • 03:36 Popular Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

    Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

    1,513 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/rational-irrational-numbers/e/approximating-irrational-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

  • 03:00 Popular Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

    Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

    1,790 views / 0 likes - added

    The simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M

  • 03:43 Popular Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

    Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

    1,435 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-addition?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/p

  • 02:36 Popular Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

    Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

    1,527 views / 0 likes - added

    Need to convert a decimal to a percent? Ok, we'll just use our fraction friends to get us there. Watch and be amazed. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-intro-p

  • 02:35 Popular Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

    Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

    2,108 views / 0 likes - added

    Solve a word problem by dividing a fraction by a whole number. The example used in this video is 1/5 ÷ 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg

  • 03:53 Popular Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

    Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

    1,373 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/understanding-fractions-pre-alg/e/fractions_on_the_number_line_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

  • 04:00 Popular Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

    Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

    1,646 views / 1 likes - added

    To find the factors of a number means to find all the whole numbers that the number in question is divisible by. Can you help us find the factors in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

  • 05:27 Popular Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

    Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

    1,285 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app

  • 06:56 Popular Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

    Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

    1,118 views / 0 likes - added

    Now that we understand how to interpret an exponent and how the patterns in zeros are related to the exponent, we can solve more complicated problems! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra

  • 09:29 Popular Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

    Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

    1,082 views / 0 likes - added

    The old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/dividing-d

  • 02:27 Popular Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,043 views / 0 likes - added

    This time we're creating a variable to represent a number, and then writing an inequality. We're building on our knowledge. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-to

  • 04:51 Popular Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

    Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

    1,280 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/cube-root-tutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem

  • 03:45 Popular Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    1,097 views / 0 likes - added

    To understand equivalent fractions it helps to "see" the fractions using something like a grid with shaded and unshaded sections representing the fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-al

  • 03:52 Popular Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,519 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/large-number-decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanaca

  • 04:33 Popular Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

    Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

    884 views / 0 likes - added

    See examples of multiplying and dividing fractions with negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplying-fractions-pre-alg/e/multiplying_fractions?utm_

  • 02:32 Popular Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

    Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

    1,783 views / 0 likes - added

    Solve a word problem by dividing a whole number by a fraction. The example used in this video is 4 ÷ 1/5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg

  • 04:31 Popular Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

    Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

    1,541 views / 0 likes - added

    Examining the points on a number line and interpreting the patterns to discover the relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/number-patterns/e/vis

  • 04:25 Popular Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

    Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

    965 views / 0 likes - added

    Sometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanaca

  • 07:51 Popular Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

    Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

    786 views / 0 likes - added

    Volume is a measurement in the 3rd dimension. This means that it not only has width and height, but it has depth as well. Let's watch this video in which we get a great explanation of how we measure volume. Practice this lesson yourself on KhanAcademy.org

  • 09:15 Popular Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

    Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

    1,802 views / 2 likes - added

    Converting mixed numbers to improper fractions and improper fractions to mixed numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/mixed-numbers-pre-alg/e/converting_mixed_numb

  • 02:07 Popular Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

    Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

    1,530 views / 0 likes - added

    We hope you're beginning to see that there's more than one way to skin a cat. In other words, there are several different ways to solve problems involving percentages, decimals, and fractions. Watch as find the percentage of a whole number. Watch the next

  • 08:30 Popular Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

    Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

    1,842 views / 0 likes - added

    Multiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less

  • 09:50 Popular Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

    Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

    2,133 views / 1 likes - added

    How to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign=PreA

  • 01:34 Popular Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

    Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

    1,941 views / 0 likes - added

    In this example we'll plot points on the x and y axis to reflect the given ratios. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/solving-ratio-problems-wi

  • 03:50 Popular Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

    Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

    1,176 views / 0 likes - added

    Multiplying decimals can be confusing because there's always the question as to where the decimals goes in the answer. We're about to show you so you'll never have to question it again! Practice this lesson yourself on KhanAcademy.org right now: https://w

  • 04:17 Popular Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

    Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

    1,602 views / 0 likes - added

    Cover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa

  • 03:40 Popular Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

    Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

    1,631 views / 0 likes - added

    First visualize this word problem then use subtraction and multiplication of decimals and fractions to get at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topi

  • 03:28 Popular Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,664 views / 0 likes - added

    We're writing inequalities by using information from the word problems. Woohoo! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writing-numeric

  • 06:29 Popular Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

    Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

    1,395 views / 0 likes - added

    We want you to develop an intuition about how to work with decimals. Understanding how you can rewrite decimals by considering the place value will help you multiply! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

  • 05:05 Popular Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

    Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

    887 views / 0 likes - added

    We're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/r

  • 08:34 Popular LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

    LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

    1,857 views / 1 likes - added

    Here we have a couple of word problems--one searching for the least common multiple and the other for the greatest common factor. Just read them with us slowly and follow along. You'll get it. Practice this lesson yourself on KhanAcademy.org right now: ht

  • 02:49 Popular Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

    Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

    1,182 views / 0 likes - added

    It's nice to practice conversion problems, but how about applying our new knowledge of percentages to a real life problem like recycling? Hint: don't forget your long division! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanac

  • 10:00 Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

    Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

    615 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/hexadecimal-number-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.

  • 09:36 Popular Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

    Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

    2,221 views / 0 likes - added

    Mysterious negative numbers! What ARE they? They are numbers less than zero. If you understand the nature of below zero temperatures, you can understand negative numbers. We'll help. Practice this lesson yourself on KhanAcademy.org right now: https://www.

  • 09:43 Popular Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    1,593 views / 0 likes - added

    Introduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the

  • 03:03 Popular Introduction To Exponents | Pre-Algebra | Khan Academy

    Introduction To Exponents | Pre-Algebra | Khan Academy

    1,561 views / 0 likes - added

    Taking an exponent is basically the act of repeated multiplication. You know how to multiply, right? If so, understanding exponents is completely within your grasp! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/ma

  • 04:16 Popular Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

    Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

    1,142 views / 0 likes - added

    We're practicing finding the least common multiple in these example exercises. We'll teach you the prime factorization approach which is a pretty nifty way to find the lcm (least common multiple). Practice this lesson yourself on KhanAcademy.org right now

  • 09:16 Popular Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

    Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

    1,356 views / 0 likes - added

    Adding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/negatives-absolute-value-pre-alg/mult-div-negatives-pre-alg/v/multiplying-positive-and-negative-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=

  • 09:17 Popular Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

    Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

    1,881 views / 0 likes - added

    Metric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http

  • 03:38 Popular Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    720 views / 0 likes - added

    Part of our exploration of math is learning to identify patterns among numbers. Can you see the pattern in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_mediu

  • 02:39 Popular Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

    Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

    1,949 views / 0 likes - added

    This is a fun example where we reorder decimals from smallest to largest. You're looking for the place value that is the most significant, and then working backwards. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

  • 03:08 Popular Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

    Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

    1,667 views / 1 likes - added

    Don't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplyin

  • 01:11 Popular Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

    Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

    1,093 views / 1 likes - added

    Subtracting decimals...up to the hundredths placement. Line up those decimals before you start. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/adding-decimals-pre-alg/e/subtracting

  • 06:14 Popular How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

    How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

    1,524 views / 0 likes - added

    Learn how to graph an inequality on a number line to indicate which values make it true. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writin

  • 03:09 Popular Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    1,769 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.kh

  • 06:20 Popular Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

    Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

    1,181 views / 0 likes - added

    Here's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/factors-multiples/

  • 05:41 Popular Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    712 views / 0 likes - added

    We continue to strengthen our skill in identifying patterns. This time we'll use a table to track the pattern. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_medium=Desc&utm

  • 03:21 Popular Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

    Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

    788 views / 0 likes - added

    Find perimeter by adding side-lengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa

  • 08:13 Popular Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

    Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

    1,169 views / 0 likes - added

    What does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

  • 09:45 Popular Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    1,588 views / 1 likes - added

    Using exponent rules to simplify radicals or square roots Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm

  • 06:17 Popular Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

    Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

    890 views / 0 likes - added

    We'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-word-probs-pre-alg/v/solving-percent-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the

  • 05:34 Popular Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

    Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

    1,383 views / 0 likes - added

    Learn some rules of thumb for multiplying positive and negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/absolute-value/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?

  • 05:20 Popular Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

    Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

    1,915 views / 0 likes - added

    Work through another challenging order of operations example with only positive numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/order_of_operations/e/order_of_operations

  • 05:51 Popular Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    2,134 views / 0 likes - added

    Introduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/equivalent-fractions-pre-alg/e/equivalent_fractions?utm_source=YT&utm_medium=Desc&utm

  • 20:48 Popular Introduction To Scientific Notation | Pre-Algebra | Khan Academy

    Introduction To Scientific Notation | Pre-Algebra | Khan Academy

    1,960 views / 0 likes - added

    Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc

  • 14:13 Popular Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

    Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

    1,960 views / 0 likes - added

    What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl

  • 04:20 Popular Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

    Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

    1,749 views / 1 likes - added

    When dividing a whole number by a decimal, you're going to need to change that decimal into a whole number. How? We'll show you. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/divi

  • 07:14 Popular Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    1,626 views / 0 likes - added

    How does a negative exponent affect our answer? Before you assume that the answer must be negative, think again! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/negative-exponents

  • 04:07 Popular Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy

    Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy

    1,338 views / 0 likes - added

    Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pr

  • 03:33 Popular Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

    Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

    1,258 views / 0 likes - added

    Once again, fractions are our friends as we use them to find a percentage. You'll also see a couple of different ways to arrive at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimal

  • 05:42 Popular Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

    Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

    1,220 views / 0 likes - added

    Using a number line, we'll explain the rule of "invert and multiply" when dividing two fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/

  • 04:24 Popular Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

    Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

    1,658 views / 0 likes - added

    If you conquered adding fractions with different denominators, then subtracting fractions will be a snap. Don't worry...we'll take it slow and explain every step. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

  • 09:23 Popular Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

    Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

    2,141 views / 2 likes - added

    How to express a fraction as a decimal Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/decimal-to-fraction-pre-alg/e/converting_fractions_to_decimals?utm_source=YT&utm_medium=Desc&u

  • 12:53 Strange Spinning Tubes - Numberphile

    Strange Spinning Tubes - Numberphile

    654 views / 0 likes - added

    Tadashi is back with more mathematical toys - this time small tubes which do intriguing things when they spin. Extra footage from this interview: https://youtu.be/5dJsOF7_GfY More Tadashi Tokieda videos: http://bit.ly/tadashi_vids Film by Pete McPartlan (

  • 01:21 Popular Wrapper Worm - Sick Science! #175

    Wrapper Worm - Sick Science! #175

    905 views / 1 likes - added

    SICK SCIENCE APPAREL NOW AVAILABLE! Click here: http://spanglersci.com/SickScienceApparel You can have a ton of science fun with a straw. You can make it into a blow gun, using the properties of air, or it can double as a pipette when your lab has run out

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  • 10:38 The Mathematics Of Crime And Terrorism  - Numberphile

    The Mathematics Of Crime And Terrorism - Numberphile

    637 views / 0 likes - added

    Thanks Audible: http://www.audible.com/numberphile Hannah Fry on the mathematics of crime and terrorism, on which she has co-authored a new paper. The paper: http://bit.ly/1nKR7Lk (open access version) NUMBERPHILE Website: http://www.numberphile.com/ Numb

  • 04:01 Popular The Operating System Of Life - George Zaidan And Charles Morton

    The Operating System Of Life - George Zaidan And Charles Morton

    847 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-operating-system-of-life-george-zaidan-and-charles-morton Humans, octopi and pine trees alike are all made up of cells, tiny but sophisticated systems that keep life going. Cells are almost like tiny factori

  • 10:00 Popular Triangles Have A Magic Highway - Numberphile

    Triangles Have A Magic Highway - Numberphile

    766 views / 0 likes - added

    Triangles have multiple centres, and many of them lie on the so-called Euler Line. Extra footage: https://youtu.be/p7oGGSwUFwM Featuring Zvezdelina Stankova. Editing and animation by Pete McPartlan. Thanks also to Tom Davis of http://geometer.org More vid

  • 23:22 Hunt For The Elusive 4th Klein Bottle - Numberphile

    Hunt For The Elusive 4th Klein Bottle - Numberphile

    534 views / 0 likes - added

    Carlo Séquin on his search for the elusive "fourth type of Klein bottle". More videos on Klein Bottles: http://bit.ly/KleinBottles Carlo's paper: http://bit.ly/Carlo_Klein Also featuring Carlo: Mobius House https://youtu.be/iwo7JReFTeg Torus Donut https:/

  • 06:49 The Man With 1,000 Klein Bottles UNDER His House - Numberphile

    The Man With 1,000 Klein Bottles UNDER His House - Numberphile

    627 views / 0 likes - added

    Thanks Squarespace: http://squarespace.com/numberphile More Numberphile on Klein Bottles: http://bit.ly/KleinBottles This video features Cliff Stoll, the man behind ACME Klein Bottles: http://bit.ly/ACME_Klein NUMBERPHILE Website: http://www.numberphile.c

  • 02:22 How To Make A Klein Bottle (in Three Dimensions) - Numberphile

    How To Make A Klein Bottle (in Three Dimensions) - Numberphile

    530 views / 0 likes - added

    Cliff Stoll on how he makes Klein Bottles from glass. More videos on Klein Bottles: http://bit.ly/KleinBottles ACME Klein Bottles: http://bit.ly/ACME_Klein NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/n

  • 07:45 Why 82,000 Is An Extraordinary Number - Numberphile

    Why 82,000 Is An Extraordinary Number - Numberphile

    519 views / 0 likes - added

    Check out How Not To Be Wrong by Jordan Ellenberg: http://bit.ly/HowNotToBeWrong And special Kindle offer: http://bit.ly/Wrong_Special This video features Dr James Grime - http://singingbanana.com Cheers to Thomas Oléron Evans for inspiring James: http://

  • 14:22 Popular Funny Fractions And Ford Circles - Numberphile

    Funny Fractions And Ford Circles - Numberphile

    721 views / 2 likes - added

    Farey Sequences, Ford Circles and a strange addition sign... Featuring Francis Bonahon from the University of Southern California. Watch EPIC CIRCLES: https://www.youtube.com/watch?v=sG_6nlMZ8f4 Periodic Videos chemistry: https://www.youtube.com/periodicv

  • 12:58 Embedding A Torus (John Nash) - Numberphile

    Embedding A Torus (John Nash) - Numberphile

    574 views / 0 likes - added

    This videos features James Grime with a little bit of Edward Crane. Ed's full discussion of Nash and embedding: https://youtu.be/5xQ4ePN79-M Nash shared both the Nobel and Abel Prizes. Full details. Nobel: http://www.nobelprize.org/nobel_prizes/economic-s

  • 05:22 More Hyperbolic Sports - Numberphile

    More Hyperbolic Sports - Numberphile

    546 views / 0 likes - added

    Follows on from the previous video (last week) about hyperbolic sports: https://youtu.be/u6Got0X41pY Featuring Dick Canary from the University of Michigan. Extra footage on Numberphile2: https://youtu.be/dpMMtm437MU Exactly a yard: https://youtu.be/T26Cw7

  • 06:39 New World's Biggest Prime Number (PRINTED FULLY ON PAPER) - Numberphile

    New World's Biggest Prime Number (PRINTED FULLY ON PAPER) - Numberphile

    598 views / 0 likes - added

    Matt Parker on the latest Mersenne Prime to take the title of "world's biggest prime". He had it printed! More from this interview very soon, including details of how the prime was found. PART TWO: https://youtu.be/lEvXcTYqtKU PART THREE on Numberphile2:

  • 12:32 How They Found The World's Biggest Prime Number - Numberphile

    How They Found The World's Biggest Prime Number - Numberphile

    598 views / 0 likes - added

    Featuring Matt Parker... See part one at: https://youtu.be/tlpYjrbujG0 Part three on Numberphile2: https://youtu.be/jNXAMBvYe-Y Matt's interview with Curtis Cooper: https://youtu.be/q5ozBnrd5Zc The previous record: https://youtu.be/QSEKzFGpCQs Mersenne Nu

  • 04:11 Popular Bonobo Loves Being Tickled - Animals In Love - BBC

    Bonobo Loves Being Tickled - Animals In Love - BBC

    1,019 views / 1 likes - added

    Bonobos are apes with a lot of love to give. They have an interesting matriarchal social structure which is run by females and they are very physical and good humoured with each other. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add

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  • 05:26 Snowball Cookies W/ Noah | Nick

    Snowball Cookies W/ Noah | Nick

    650 views / 0 likes - added

    Powdered Sugar Chocolate Cookies shaped as Snowballs Cooking Ingredients: 1 cup butter (softened) 1/4 cup unsweetened cocoa powder 1/2 cup powdered sugar 1 teaspoon vanilla 2 1/4 cups flour (loosely packed) 1/2 teaspoon salt 3/4 cup mini chocolate chips A

  • 09:04 Popular Shapes And Hook Numbers - Numberphile

    Shapes And Hook Numbers - Numberphile

    772 views / 0 likes - added

    Shapes, Tableaux and Hook Numbers. Featuring Professor Curtis Greene from Haverford College. Extra footage: https://youtu.be/JiwM5g_RC3c Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos

  • 08:39 The IPhone Of Slide Rules - Numberphile

    The IPhone Of Slide Rules - Numberphile

    676 views / 0 likes - added

    Thanks Audible: http://www.audible.com/numberphile Alex Bellos discusses slide rules and then the Halden Calculex, which he describes as the "iPhone of Slide Rules" Alex Bellos: http://www.alexbellos.com Slide Rule Museum: http://sliderulemuseum.com Purdu

  • 03:15 Super-fast Way To Tie Shoelaces - Numberphile

    Super-fast Way To Tie Shoelaces - Numberphile

    583 views / 0 likes - added

    Just for fun... Featuring Matt Parker. Some REAL knot action at: http://bit.ly/Knot-a-Phile More videos with Matt: http://bit.ly/standupmaths --- And Matt's book: http://bit.ly/Make_Do_Numberphile NUMBERPHILE Website: http://www.numberphile.com/ Numberphi

  • 03:57 Popular Can The Earth Run Out Of Oxygen?

    Can The Earth Run Out Of Oxygen?

    778 views / 2 likes - added

    With the amount of carbon dioxide humans are creating is there a chance we might lose all of our oxygen? Get 15% off http://www.domain.com's domain names and web hosting when you use coupon code DNEWS at checkout! Will Solar Storms Cause The Apocalypse? ►

  • 01:09 “On The Run

    “On The Run

    534 views / 0 likes - added

    “On the Run" Ep. 40: On the Run Steven Universe Cartoon Network 2014 CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/StevenUniverse About Steven Universe: Introducing the Crystal Gems! Garnet, Amethyst, Pearl… an

  • 03:50 Rituals Of A Rocket Launch

    Rituals Of A Rocket Launch

    676 views / 0 likes - added

    Why do astronauts pee on the wheel of a bus before they take off? Do superstitious traditions really help astronauts about to fire into space? Kevin Fong investigates. Day 15 of A Place Called Space, our 2015 advent calendar: http://rigb.org/advent As Tim

  • 07:15 Living In Space: An Astronaut's Perspective

    Living In Space: An Astronaut's Perspective

    649 views / 1 likes - added

    Four seasoned astronauts recall what life in space is really like. Helen Sharman, Michael Barratt, Daniel Tani and Jean-Francois Clervoy talk about weightlessness, space walks, and coming home. Day 18 of our advent calendar: http://rigb.org/advent Watch t

  • 03:23 Popular Do Juice Cleanses Actually Work?

    Do Juice Cleanses Actually Work?

    1,067 views / 1 likes - added

    Juice cleanses are all the rage. But do they actually provide any health benefits? Cristen explains. Learn more at HowStuffWorks.com: http://health.howstuffworks.com/wellness/diet-fitness/diets/what-s-the-big-deal-about-juice-cleanses-.htm Share on Facebo

  • 02:39 Postcard From Baikonur: The World’s First Spaceport​

    Postcard From Baikonur: The World’s First Spaceport​

    457 views / 0 likes - added

    A look at the history and habitat of the inhospitable home of space travel: Baikonur Cosmodrome. Please let us know what you thought of this video series: https://www.surveymonkey.co.uk/r/riadvent2015 Part of A Place Called Space, our 2015 advent calendar

  • 05:03 Stress In Space - Judging An Astronaut's Mental State

    Stress In Space - Judging An Astronaut's Mental State

    529 views / 0 likes - added

    Being an astronaut is stressful. But astronauts aren’t the best at admitting when they’re feeling the strain. An innovative research project uses speech analysis to spot hints of underlying anxieties. Day 19 of our advent calendar, A Place Called Space ht

  • 05:33 Project Apollo: Shooting For The Moon

    Project Apollo: Shooting For The Moon

    581 views / 1 likes - added

    Project Apollo: the most famous space programme to date. In the final part of our trilogy exploring American’s first steps into space, we tell the tale of the Apollo program. Watch Project Gemini: https://youtu.be/rXTTXAJJkhc Watch Project Mercury: https:

  • 03:59 Popular 3 Odd Facts About Ostriches

    3 Odd Facts About Ostriches

    928 views / 0 likes - added

    Don't bury your head in the sand for this one. We've got some odd ostrich facts for you! Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Pete

  • 01:15 Sesame Street: Snowman Poem

    Sesame Street: Snowman Poem

    572 views / 0 likes - added

    How do you make a snowman? Do you give it eyes and a mouth and a hat? Can you make it out of ice or sand? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your

  • 02:14 Popular White Sand Beaches Are Made Of Fish Poop

    White Sand Beaches Are Made Of Fish Poop

    928 views / 1 likes - added

    Parrotfish poop out sand… and that’s just the beginning of what makes these guys weird. Subscribe! http://bit.ly/1FkxVLb ‖ Twitter! https://twitter.com/gross_science ‖ Tumblr! http://grossscience.tumblr.com/ ↓Want more info?↓ Absurd Creature of The Week p

  • 07:22 Popular Freaky Dot Patterns - Numberphile

    Freaky Dot Patterns - Numberphile

    1,275 views / 0 likes - added

    Tadashi Tokieda is back, this time with Moiré Patterns. More with Tadashi: http://bit.ly/tadashi_vids Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Out thanks also to our Patreon supporters,

  • 05:45 Popular Hypergolic Fuels – The Chemistry Of A Rocket Launch

    Hypergolic Fuels – The Chemistry Of A Rocket Launch

    703 views / 0 likes - added

    Chemist Andrea Sella combines dimethylhydrazine with dinotrogen tetroxide to show how hypergolic mixtures fire rockets into space. Part of A Place Called Space, our 2015 advent calendar: http://rigb.org/advent Subscribe for regular science videos: http://

  • 01:55 Popular Absurd Creatures | This Fish Makes Beach Sand!

    Absurd Creatures | This Fish Makes Beach Sand!

    856 views / 1 likes - added

    Love white sand beaches? Thank the bizarre parrotfish which eats coral and poops out sand. Oh, it also sleeps in a pile of snot. Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 CONNECT WITH WIRED Web: http://wired.com Twitter: https

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  • 04:46 Popular The Sokol Space Suit: Helen Sharman On Being In Space

    The Sokol Space Suit: Helen Sharman On Being In Space

    866 views / 0 likes - added

    A space suit is a carefully engineered cocoon, designed to protect an astronaut from the perils of the abyss. Helen Sharman walks us through the suit she trusted with her life when she went into space. Day 6 of our advent calendar, A Place Called Space: h

  • 03:03 Popular Weightless Water - Experiments In Zero Gravity

    Weightless Water - Experiments In Zero Gravity

    775 views / 0 likes - added

    Why does water behave in such weird ways in microgravity? We went on a parabolic 'vomit comet' flight to investigate. Check out the interactive 360 footage from this flight: https://youtu.be/mVJvyteAH0E Day 16 of our advent calendar: http://rigb.org/adven

  • 02:15 Carl Sagan On Space Travel: A Dandelion Going To Seed

    Carl Sagan On Space Travel: A Dandelion Going To Seed

    627 views / 0 likes - added

    In 1977 Carl Sagan gave the CHRISTMAS LECTURES on space travel. In his final lecture, he spoke about the human race venturing out into space; his words are as relevant now as they were then. Day 14 of our advent calendar, A Place Called Space. http://rigb

  • 04:29 Zero Gravity In 360 - A Trip On A Parabolic Flight

    Zero Gravity In 360 - A Trip On A Parabolic Flight

    629 views / 0 likes - added

    Experience a zero gravity parabolic flight, or ‘vomit comet’ in 360 video. Please note: this interactive video will only work properly on a modern browser or YouTube mobile app. Day 12 of A Place Called Space, our 2015 advent calendar: http://rigb.org/adv

  • 16:35 Popular Minecraft Xbox - Race To The Nether Challenge - Part 2

    Minecraft Xbox - Race To The Nether Challenge - Part 2

    827 views / 2 likes - added

    Welcome to the race to the nether challenge. In this series I will be racing Squid to the nether to get some soul sand. Enjoy. Squid's Channel - https://www.youtube.com/iballisticsquid Twitter - @stampylongnose Facebook - www.facebook.com/stampylongnose U

  • 04:43 Popular Fun Run | Regular Show | Original Shorts | Cartoon Network

    Fun Run | Regular Show | Original Shorts | Cartoon Network

    854 views / 1 likes - added

    Pops goes on a fun run across the country. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/1RBYuNi About Regular Show: Best friends, Mordecai (a six-foot-tall blue jay) and Rigby (a hyperactive raccoon), are grou

  • 05:52 Popular Will The World Ever Run Out Of Water?

    Will The World Ever Run Out Of Water?

    940 views / 4 likes - added

    As the human population continues to explode, resources for fresh water are dwindling. What happens if the world runs out of water? How California's Drought Affects The World ►►►► http://dne.ws/1lom4nc Get Awesome DNews Science Shirts! ►►►► http://dne.ws/

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  • 13:23 Popular The Big Bang: Crash Course Astronomy #42

    The Big Bang: Crash Course Astronomy #42

    948 views / 0 likes - added

    Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding also allows us to run the clock backwards 14 billion years to the way the universe began - with a

  • 10:21 Junk Log 034 | A Space Debris Short Story

    Junk Log 034 | A Space Debris Short Story

    599 views / 1 likes - added

    The story of a lost piece of debris, struggling to find her place in the vastness of space. An illustrated short story. Day 11 of A Place Called Space: http://rigb.org/advent Thousands of pieces of man-made debris hurtle through the space around our plane

  • 06:05 Popular Project Gemini: A Bridge To The Moon

    Project Gemini: A Bridge To The Moon

    888 views / 0 likes - added

    Project Apollo took America to the moon. But what came before? The second in our series of films using archive footage to tell the story of America's early days in space looks at Project Gemini: America's crucial programme designed to ready themselves for

  • 05:32 What Does Earth Look Like From Space? An Astronaut's Perspective

    What Does Earth Look Like From Space? An Astronaut's Perspective

    627 views / 1 likes - added

    What’s it like to see our planet from above? To gaze upon the Earth from beyond our atmosphere? Four seasoned astronauts, Helen Sharman, Daniel Tani, Michael Barratt and Jean-Francois Clervoy, recall that unique experience. Day 8 of our advent calendar, A

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  • 17:50 Popular Minecraft Xbox - Race To The Nether Challenge - Part 1

    Minecraft Xbox - Race To The Nether Challenge - Part 1

    749 views / 1 likes - added

    Welcome to the race to the nether challenge. In this series I will be racing Squid to the nether to get some soul sand. Enjoy. Squid's Channel - https://www.youtube.com/iballisticsquid Twitter - @stampylongnose Facebook - www.facebook.com/stampylongnose U

  • 13:32 Glitch Primes And Cyclops Numbers - Numberphile

    Glitch Primes And Cyclops Numbers - Numberphile

    663 views / 0 likes - added

    Audible: http://www.audible.com/numberphile Simon Pampena on Glitch Primes and Binary Cyclops Numbers. Simon on Twitter: https://twitter.com/mathemaniac Some book recommendations... Love & Math by Edward Frenkel, The Simpsons and their Mathematical Secret

  • 04:40 Why Your Body Is Built To Run Long Distances

    Why Your Body Is Built To Run Long Distances

    546 views / 1 likes - added

    Marathons are very popular all around the world, but were humans built for endurance running? Why Your Brain Hates Excercise ►►►► http://dne.ws/1QZVRYM Sign Up For The TestTube Newsletter Here ►►►► http://dne.ws/1McUJdm Read More: Born To Run http://disco

  • 03:44 An Unusual Way To Prove Einstein's Theory Of Relativity

    An Unusual Way To Prove Einstein's Theory Of Relativity

    658 views / 0 likes - added

    When rockets misfire their payloads, scientists use the misplaced satellites to prove the Theory of Relativity. How do they do it? How GPS Works ►►►► http://dne.ws/1N6wX3V Sign Up For The TestTube Newsletter Here ►►►► http://dne.ws/1McUJdm Read More: Wayw

  • 04:46 Is Space Travel Worth It? Spoken Word With Mark Grist

    Is Space Travel Worth It? Spoken Word With Mark Grist

    654 views / 0 likes - added

    Is space travel a waste of money? Can we justify reaching for the stars when there’s so much that needs our attention here on earth? Poet Mark Grist battles it out. Visit Mark's channel for more poetry: https://www.youtube.com/user/Montygristo And visit h

  • 08:45 Mercury Rising: America's First Steps Into Space

    Mercury Rising: America's First Steps Into Space

    626 views / 1 likes - added

    In 1959, Project Mercury became the United States' maiden space programme. This is the story of that programme, told through beautiful archive footage. Visit http://rigb.org/advent for your daily instalment in the Ri advent calendar, A Place Called Space.

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  • 02:58 The Dreams Of An Astronaut - With Helen Sharman

    The Dreams Of An Astronaut - With Helen Sharman

    559 views / 0 likes - added

    What do astronauts dream of? In 1991, Helen Sharman became the first Briton in space; in this animation she shares a dream she has about returning to space, and talks about what it’s like to gaze down on the earth from above. This is the first instalment

  • 03:40 Elliptical Pool Table - Numberphile

    Elliptical Pool Table - Numberphile

    550 views / 1 likes - added

    A game to play on the elliptical table: http://youtu.be/3WHBlPvK3Ek And more extra footage: http://youtu.be/pulp55gTKGE Alex Bellos' Loop Table website: http://www.loop-the-game.com Alex discusses the topic in his book Alex Through the Looking-Glass (UK)

  • 05:53 A Game For The Elliptical Pool Table - Numberphile

    A Game For The Elliptical Pool Table - Numberphile

    571 views / 0 likes - added

    Video explaining the elliptical pool table: http://youtu.be/4KHCuXN2F3I And some extra footage: http://youtu.be/pulp55gTKGE Alex Bellos' Loop Table website: http://www.loop-the-game.com Alex discusses the topic in his book Alex Through the Looking-Glass (

  • 10:54 Secrets Of 3-Board Tic-Tac-Toe - Numberphile

    Secrets Of 3-Board Tic-Tac-Toe - Numberphile

    587 views / 0 likes - added

    X-Only Misere Version! Previous video: https://youtu.be/ktPvjr1tiKk Extra discussion: https://youtu.be/v494yltz_7I Featuring Thane Plambeck. More at: http://www.notakto.com (app based on this) and paper on the game and its mathematics: http://arxiv.org/pd

  • 04:46 Six Dice One-Roll Yahtzee (in Super Slow Motion) - Numberphile

    Six Dice One-Roll Yahtzee (in Super Slow Motion) - Numberphile

    486 views / 0 likes - added

    It's the video you never knew you were waiting for... With pink dice! More Yahtzee videos from Numberphile: http://bit.ly/yahtzeerolls Patreon: https://www.patreon.com/numberphile With thanks to these supporters: Peter Michael Osudar (Mr. O) Herschal Sand

  • 17:13 Popular Minecraft Xbox - Dragon Run

    Minecraft Xbox - Dragon Run

    1,429 views / 10 likes - added

    Welcome to a video of a cool Minecraft Xbox mini-game called Dragon Run. In this episode I try to survive on a small island while being attacked by 4 dragons. Map download - http://www.mediafire.com/download/n6bzq0fahwjmi66/DragonDodge.bin Map builders: h

  • 07:20 Tic-Tac-Toe (with Xs Only) - Numberphile

    Tic-Tac-Toe (with Xs Only) - Numberphile

    544 views / 0 likes - added

    Changing the rules of Tic-Tac-Toe to create interesting scenarios. Featuring Thane Plambeck. And even more soon. Dots and Boxes: https://youtu.be/KboGyIilP6k Connect Four: https://youtu.be/yDWPi1pZ0Po NUMBERPHILE Website: http://www.numberphile.com/ Numbe

  • 02:27 Popular Zootopia Official Sloth Trailer #1 (2016) - Disney Animated Movie HD

    Zootopia Official Sloth Trailer #1 (2016) - Disney Animated Movie HD

    1,998 views / 11 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 Zootopia Official Sloth Trailer #1 (2016) - Disney Animated Movie HD In the ani

  • 02:09 Cute Paper Trick - Numberphile

    Cute Paper Trick - Numberphile

    674 views / 0 likes - added

    A little extra trick based on some of the Mobius cutting videos we recently published. Featuring Tadashi Tokieda. MORE: http://bit.ly/tadashi_vids NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphil

  • 06:39 Unexpected Shapes (Part 2) - Numberphile

    Unexpected Shapes (Part 2) - Numberphile

    535 views / 0 likes - added

    See part one at: https://youtu.be/wKV0GYvR2X8 Tadashi Tokieda continues to cut loops and Mobius strips... And more: http://bit.ly/tadashi_vids NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Nu

  • 07:36 Unexpected Shapes (Part 1) - Numberphile

    Unexpected Shapes (Part 1) - Numberphile

    667 views / 0 likes - added

    Tadashi Tokieda cuts various combinations of loops and Mobius loops - with surprising results. Part 2: https://youtu.be/mh3eMt09EAs And more: http://bit.ly/tadashi_vids NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.f

  • 09:36 Political Campaigns: Crash Course Government And Politics #39

    Political Campaigns: Crash Course Government And Politics #39

    559 views / 0 likes - added

    So political campaigns are a pretty big deal in the United States. For instance the 2012 presidential election clocked in at the most expensive ever - at around $6 billion dollars! Needless to say, money plays a very big role in American elections. So tod

  • 01:33 Popular Cry For Help I Steven Universe I San Diego Comic Con I Cartoon Network

    Cry For Help I Steven Universe I San Diego Comic Con I Cartoon Network

    726 views / 0 likes - added

    Steven's favorite TV show gets interrupted by a magical disturbance. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/StevenUniverse About Steven Universe: Introducing the Crystal Gems! Garnet, Amethyst, Pearl… an

  • 22:11 Minecraft Xbox - Sand Temple [295]

    Minecraft Xbox - Sand Temple [295]

    581 views / 2 likes - added

    Part 296 - https://youtu.be/cCNdiopftTA Welcome to my Let's Play of the Xbox 360 Edition of Minecraft. These videos will showcase what I have been getting up to in Minecraft and everything I have built. In this video I build a sand temple for my new mini-

  • 17:44 Popular Side Quest - Volcano Run

    Side Quest - Volcano Run

    808 views / 3 likes - added

    See Wonder Quest - https://www.youtube.com/wonderquest Welcome to a side quest. In this series I will be playing through a collection of mini-games set in the world of Wonder Quest. I hope you enjoy them. Twitter - @stampylongnose Facebook - www.facebook.

  • 22:56 Popular Minecraft Xbox - Sand Castle [326]

    Minecraft Xbox - Sand Castle [326]

    743 views / 3 likes - added

    Part 327 - https://youtu.be/p2-Le1LJeEE Welcome to my Let's Play of the Xbox 360 Edition of Minecraft. These videos will showcase what I have been getting up to in Minecraft and everything I have built. In this video I build a giant sand castle in my funl

  • 03:18 Popular Rock Hardcase I Wabbit I Cartoon Network

    Rock Hardcase I Wabbit I Cartoon Network

    725 views / 1 likes - added

    After a run-in with Bugs, Yosemite Sam's cell phone gets scratched. He decides it's time to upgrade, but little does he know that Bugs is there to help. / Rock Hardcase, a fitness guru, shows up to pull a fast one on the unsuspecting animals of the forest

  • 03:14 Phone Update I Wabbit I Cartoon Network

    Phone Update I Wabbit I Cartoon Network

    659 views / 0 likes - added

    After a run-in with Bugs, Yosemite Sam's cell phone gets scratched. He decides it's time to upgrade, but little does he know that Bugs is there to help. / Rock Hardcase, a fitness guru, shows up to pull a fast one on the unsuspecting animals of the forest

  • 01:29 Popular Baby Bears On The Move I We Bare Bears I Cartoon Network

    Baby Bears On The Move I We Bare Bears I Cartoon Network

    1,083 views / 2 likes - added

    Pet Shop tells the tale of where the Baby Bears once lived, and after a run-in with a video crew shooting a Sarah McLachlan-type animal adoption video, almost seized an opportunity to find a home separated from each other. CN GAMES: http://bit.ly/CNGames

  • 01:20 Pet Adoption Commercial I We Bare Bears I Cartoon Network

    Pet Adoption Commercial I We Bare Bears I Cartoon Network

    537 views / 0 likes - added

    Pet Shop tells the tale of where the Baby Bears once lived, and after a run-in with a video crew shooting a Sarah McLachlan-type animal adoption video, almost seized an opportunity to find a home separated from each other. CN GAMES: http://bit.ly/CNGames

  • 12:26 Popular Minecraft | THE FROZEN MAP!! | Death Run Minigame

    Minecraft | THE FROZEN MAP!! | Death Run Minigame

    2,684 views / 16 likes - added

    Minecraft | THE FROZEN MAP!! | Death Run Minigame ► Subscribe and join TeamTDM! :: http://bit.ly/TxtGm8 ► Previous Video :: https://youtu.be/7_JYPphYR0g ► Follow Me on Twitter :: http://www.twitter.com/DiamondMinecart Today, we're heading back to some mor

  • 02:50 Popular How Do Car Horns Work?

    How Do Car Horns Work?

    1,562 views / 0 likes - added

    The next time you honk your car horn at that jerk who cut you off, you’ll understand how it uses physics to get the job done. Learn more at HowStuffWorks.com Share on Facebook: https://goo.gl/ICxuu4 Share on Twitter: https://goo.gl/m6dpEV Subscribe: http:

  • 03:01 Popular Hamster Stuffing Cheeks

    Hamster Stuffing Cheeks

    1,173 views / 6 likes - added

    Hamster cheek pouches extend back to their hips. Please LIKE and SUBSCRIBE if you enjoyed! http://bit.ly/1Adl6ht **More info & videos below** "PETS Wild at Heart" premieres October 21 & 28, 2015 at 8/7c on PBS. Check your local listings. http://ww

  • 07:31 Cutting A Klein Bottle In Half - Numberphile

    Cutting A Klein Bottle In Half - Numberphile

    674 views / 0 likes - added

    Klein Bottle enthusiast Cliff Stoll uses a diamond saw on a glass Klein Bottle. More videos about his bottles: http://bit.ly/KleinBottles Cliff's site (selling bottles): http://bit.ly/ACME_Klein NUMBERPHILE Website: http://www.numberphile.com/ Numberphile

  • 01:09 Popular Sand Flea Jumping Robot

    Sand Flea Jumping Robot

    1,082 views / 0 likes - added

    Sand Flea is an 11-lb robot with one trick up its sleeve: Normally it drives like an RC car, but when it needs to it can jump 30 feet into the air. An onboard stabilization system keeps it oriented during flight to improve the view from the video uplink a

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  • 06:10 How DNA Unties Its Own Knots - Numberphile

    How DNA Unties Its Own Knots - Numberphile

    547 views / 0 likes - added

    How "Pac-Man" unties knots in our DNA... This is Part Two of DNA Topology featuring Professor Mariel Vazquez from UC Davis. Part One: https://youtu.be/AxxnziuL408 NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.faceboo

  • 09:11 Popular The Shape Of DNA - Numberphile

    The Shape Of DNA - Numberphile

    1,023 views / 0 likes - added

    The amazing knots, twists and turns inside our cells. This is Part One of DNA Topology featuring Professor Mariel Vazquez from UC Davis. Part Two: Coming Soon Videos by Brady Haran Editing and animation in this video by Pete McPartlan NUMBERPHILE Website:

  • 10:26 Skewes' Massive Number - Numberphile

    Skewes' Massive Number - Numberphile

    567 views / 0 likes - added

    Dr James Grime on the epic Skewes' Number. Lynda free trial (worth a look): http://www.lynda.com/numberphile Prime numbers: http://bit.ly/primevids Graham's Number: http://bit.ly/GrahamsNumber A small bit we chopped from this video: https://youtu.be/qgN6D

  • 09:31 Fold And Cut Theorem - Numberphile

    Fold And Cut Theorem - Numberphile

    700 views / 0 likes - added

    Lynda free trial (try the typography stuff!!): http://www.lynda.com/numberphile Katie Steckles discusses the Fold and Cut Theorem - from A to Z. Katie: http://www.katiesteckles.co.uk More on the topic: http://erikdemaine.org/foldcut/ NUMBERPHILE Website:

  • 04:58 Popular Your Brain Can Solve Algorithms - David J. Malan

    Your Brain Can Solve Algorithms - David J. Malan

    1,007 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/your-brain-can-solve-algorithms-david-j-malan An algorithm is a mathematical method of solving problems both big and small. Though computers run algorithms constantly, humans can also solve problems with algorit

  • 15:53 Are We Born To Run? - Christopher McDougall

    Are We Born To Run? - Christopher McDougall

    670 views / 1 likes - added

    Christopher McDougall explores the mysteries of the human desire to run. How did running help early humans survive -- and what urges from our ancient ancestors spur us on today? McDougall tells the story of the marathoner with a heart of gold, the unlikel

  • 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

  • 12:07 The Beautiful Nano Details Of Our World - Gary Greenberg

    The Beautiful Nano Details Of Our World - Gary Greenberg

    674 views / 0 likes - added

    When photographed under a 3D microscope, grains of sand appear like colorful pieces of candy and the stamens in a flower become like fantastical spires at an amusement park. Gary Greenberg reveals the thrilling details of the micro world. (Filmed at TEDxM

  • 04:33 Popular Alice In Wonderland | Part 6 - Story Time With Ms. Booksy At Cool School

    Alice In Wonderland | Part 6 - Story Time With Ms. Booksy At Cool School

    1,275 views / 3 likes - added

    Join Ms. Booksy for Story Time! In chapter 6 of Alice in Wonderland, Alice has finally found the magical garden she's been searching for. She also has a run in with the Queen of Hearts. Watch to see what happens! Watch part 1: http://bit.ly/1IN9B5q Watch

  • 01:58 Popular Sesame Street: Mind Games With Murray

    Sesame Street: Mind Games With Murray

    1,088 views / 0 likes - added

    As the seasons start to change so does your wardrobe. Get ready to play a game with Murray and decide whether the outfit’s fit for the sand or snow. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStr

  • 02:27 Popular Why Is All Sand The Same?

    Why Is All Sand The Same?

    764 views / 1 likes - added

    Help MinuteEarth weather the sands of time! (By subscribing to MinuteEarth on Subbable - http://subbable.com/minuteearth) THANK YOU!!!!! How much it costs to make MinuteEarth - http://dft.ba/-how_much_MinuteEarth_costs Created by Henry Reich Video Concept

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  • 04:15 Biodiesel: The Afterlife Of Oil - Natascia Radice

    Biodiesel: The Afterlife Of Oil - Natascia Radice

    593 views / 2 likes - added

    View full lesson: http://ed.ted.com/lessons/biodiesel-the-afterlife-of-oil-natascia-radice How could you dispose of your cooking oil when you're done cooking? The easiest thing to do might be to pour it down your drain -- but if you save it up and send it

  • 03:47 Can Your Entire House Run On Batteries?

    Can Your Entire House Run On Batteries?

    661 views / 0 likes - added

    Earlier this year Tesla announced the creation of the Powerwall battery. Can an entire house run on a battery? Why Aren’t All Batteries Rechargeable ►►►► http://dne.ws/1FjqsfJ Help support DNews Labs by completing this one-question survey - http://bit.ly/

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  • 07:40 Popular Planets In Our Solar System | Sun And Solar System | Solar System For Children | 8 Planets Elearnin

    Planets In Our Solar System | Sun And Solar System | Solar System For Children | 8 Planets Elearnin

    3,727 views / 22 likes - added

    Planets in our solar system | Sun and solar system | Solar System for children | elearnin The Solar System consists of the Sun and its planetary system of eight planets, their moons, and other objects including asteroids and meteors. Our planet Earth is o

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  • 02:39 Popular DIY Kinetic Moon Sand Easy To Make It Yourself

    DIY Kinetic Moon Sand Easy To Make It Yourself

    1,001 views / 0 likes - added

    Make your own Kinetic Squishy Moon Sand! Some people call it Sands Alive or Brokstone or even vat19 sand but basically all you need is the following: 3 1/2 of corn starch 2 1/2 cups of sand ( beach sand works fine) 1 cup of water 1 teaspoon of dishwashing

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  • 04:29 Langton's Ant - Numberphile

    Langton's Ant - Numberphile

    560 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

  • 01:09 A Special Gift For Macey

    A Special Gift For Macey

    581 views / 0 likes - added

    Ellen had an awesome surprise for Macey to help prepare for her future presidential run. Yes, it's adorable!

  • 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:

  • 03:56 Popular Ultraviolet Scorpion Captures Prey - Wonders Of Life W/ Prof Brian Cox - BBC

    Ultraviolet Scorpion Captures Prey - Wonders Of Life W/ Prof Brian Cox - BBC

    1,169 views / 4 likes - added

    Professor Brian Cox is looking for a creature in the dark, one that is easiest to find using ultraviolet light, the mojave desert sand scorpion. Taken from Wonders of Life. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add_user=BBCEar

  • 15:13 Numbers And Free Will - Numberphile

    Numbers And Free Will - Numberphile

    642 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

  • 10:38 Popular 5 Human Impacts On The Environment: Crash Course Ecology #10

    5 Human Impacts On The Environment: Crash Course Ecology #10

    1,583 views / 1 likes - added

    Hank gives the run down on the top five ways humans are negatively impacting the environment and having detrimental effects on the valuable ecosystem services which a healthy biosphere provides. Like Crash Course? http://www.facebook.com/YouTubeCrashCours

  • 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

  • 05:22 Popular Sesame Street: Bert And Ernie’s Great Adventures—Flower Shop

    Sesame Street: Bert And Ernie’s Great Adventures—Flower Shop

    884 views / 0 likes - added

    Can Bert and Ernie run a flower shop? They have to yodel, water, and dance to take care of some outrageously cool plants. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame St

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

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    5 Week Old Golden Retriever Puppies Really Mad When Someone Doesn't Fill Their Pool!

    1,745 views / 10 likes - added

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    Control Your Virtual World -- Mind Blow #87

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    Patreon Support Link: http://www.patreon.com/smartereveryday Subbable Support Link: http://subbable.com/smartereveryday Tweet this Vid: http://bit.ly/1hf576c Post to FB:http://on.fb.me/1iEpfQ7 Smarter Every Day Infographics are Here: http://smartereveryda


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