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• 01:31

### Intro to Cryptography

409 views / 0 likes - added

The basic idea behind why we need cryptography More free lessons at: http://www.khanacademy.org/video?v=Kf9KjCKmDcU

• 08:26

### Oligopolies, Duopolies, Collusion, and Cartels

354 views / 0 likes - added

Thinking about when oligopolies behave more like monopolies or perfect competitors More free lessons at: http://www.khanacademy.org/video?v=N0L00FZnhtg

• 07:14

### Why Current and Capital Accounts Net Out

382 views / 0 likes - added

Intuition behind why the current account and capital account should balance More free lessons at: http://www.khanacademy.org/video?v=tYmMEqro8D4

• 01:24

### Solving for a Variable

270 views / 0 likes - added

u15_l3_t1_we1 Solving for a Variable More free lessons at: http://www.khanacademy.org/video?v=fnuIT7EhAvs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 18:27

### Introduction to mortgage loans

305 views / 0 likes - added

Explains mortgages. This will help you understand what you are doing when you are paying a mortgage. More free lessons at: http://www.khanacademy.org/video?v=IDHJCEKeHLc

• 05:58

### Pangaea

419 views / 0 likes - added

Pangaea - the idea of Pangaea and some of the evidence behind it More free lessons at: http://www.khanacademy.org/video?v=axB6uhEx628

• 09:20

### Newton's Third Law of Motion

392 views / 1 likes - added

Intuition behind Newton's Third Law of Motion

• 10:08

### Introduction to centripetal acceleration (part 1)

338 views / 0 likes - added

Intuition behind what it takes to make something travel in a circle

• 04:12

### Hubble Image of Galaxies

399 views / 0 likes - added

Hubble Image of Galaxies More free lessons at: http://www.khanacademy.org/video?v=Wl4re38deh0

• 10:28

### Biodiversity Flourishes in Phanerozoic Eon

269 views / 0 likes - added

Cambrian explosion and biodiversity in the Phanerozoic Eon More free lessons at: http://www.khanacademy.org/video?v=MS7x2hDEhrw

• 11:03

### Scale of the Large

362 views / 0 likes - added

Attempting to comprehend the scale of the large More free lessons at: http://www.khanacademy.org/video?v=5FEjrStgcF8

• 02:53

### Multiplying Decimals

477 views / 1 likes - added

U03_L2_T2_we1 Multiplying Decimals More free lessons at: http://www.khanacademy.org/video?v=JEHejQphIYc Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 01:35

### Converting pounds to ounces

390 views / 0 likes - added

U06_L1_T2_we1 Converting pounds to ounces More free lessons at: http://www.khanacademy.org/video?v=IrvEHVn-fks Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 11:12

### Newman Projections 2

217 views / 0 likes - added

Newman Projections 2 More free lessons at: http://www.khanacademy.org/video?v=ryJvNEHcuDg

• 03:01

### Perpendicular lines 2

294 views / 0 likes - added

U04_L2_T2_we2 : Perpendicular lines 2 More free lessons at: http://www.khanacademy.org/video?v=TsEhZRT16LU Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 04:07

### Mixture problems 3

359 views / 0 likes - added

U06_L2_T2_we3 Mixture problems 3 More free lessons at: http://www.khanacademy.org/video?v=JVlfQEhzLMM Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 05:12

### Special Products of Polynomials 2

362 views / 0 likes - added

U08_L2_T4_we2 Special Products of Polynomials 2 More free lessons at: http://www.khanacademy.org/video?v=4fQeHtSdw80 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 02:25

### Factoring Special Products 2

389 views / 0 likes - added

U09_L2_T1_we2 Factoring Special Products 2 More free lessons at: http://www.khanacademy.org/video?v=o-ZbdYVGehI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 09:22

### Ideal Gas Equation: PV=nRT

352 views / 0 likes - added

Intuition behind the ideal gas equation: PV=nRT. More free lessons at: http://www.khanacademy.org/video?v=WScwPIPqZa0

• 12:52

### Keq Intuition (mathy and not necessary to progress)

298 views / 0 likes - added

A probabilistic look at how molecules react to develop the intuition behind the equilibrium constant formula. More free lessons at: http://www.khanacademy.org/video?v=ONBJo7dXJm8

• 17:40

### Gibbs Free Energy and Spontaneity

414 views / 0 likes - added

Intuition behind why spontaneity is driven by enthalpy, entropy and temperature. Introduction to Gibbs free energy. More free lessons at: http://www.khanacademy.org/video?v=ViAmQivKif0

• 07:25

### Brain Teaser: Blue Forehead Room

570 views / 0 likes - added

What happens when 100 perfect logicians have to figure out if they each have a blue forehead? More free lessons at: http://www.khanacademy.org/video?v=rBaCDC52NOY

• 11:01

531 views / 0 likes - added

Do not watch before Blue Forehead Room. THIS IS THE SOLUTION! More free lessons at: http://www.khanacademy.org/video?v=-xYkTJFbuM0

• 12:09

536 views / 0 likes - added

The perfect logicians are at it again. More free lessons at: http://www.khanacademy.org/video?v=jqpQPxWj8gE

• 03:12

### Data on Chinese M1 Increase in 2010

512 views / 0 likes - added

Data on Chinese M1 Increase in 2010 More free lessons at: http://www.khanacademy.org/video?v=4Azskeheo_g

• 14:28

### Sampling Distribution Example Problem

351 views / 0 likes - added

Figuring out the probability of running out of water on a camping trip More free lessons at: http://www.khanacademy.org/video?v=0ZstEh_8bYc

• 24:16

### Laplace Transform of the Unit Step Function

537 views / 0 likes - added

Introduction to the unit step function and its Laplace Transform More free lessons at: http://www.khanacademy.org/video?v=4Mr7aEHQr8E

• 10:04

### Introduction to Harmonic Motion

294 views / 0 likes - added

Intuition behind the motion of a mass on a spring (some calculus near the end). More free lessons at: http://www.khanacademy.org/video?v=Nk2q-_jkJVs

• 09:47

### Calculating dot and cross products with unit vector notation

386 views / 0 likes - added

Calculating the dot and cross products when vectors are presented in their x, y, and z (or i,j, and k) components. More free lessons at: http://www.khanacademy.org/video?v=enr7JqvehJs

• 11:02 Popular

### World War II, A War for Resources: Crash Course World History #220

1,110 views / 9 likes - added

In which John Green teaches you about World War II, and some of the causes behind the war. In a lot of ways, WWII was about resources, and especially about food. The expansionist aggression of both Germany and Japan were in a lot of ways about resources.

• 11:50 Popular

### How to Train a Brain - Crash Course Psychology #11

749 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.

• 11:23

### Getting Help - Psychotherapy: Crash Course Psychology #35

463 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.

• 09:03

### The Ideal Gas Law: Crash Course Chemistry #12

548 views / 0 likes - added

Gases are everywhere, and this is good news and bad news for chemists. The good news: when they are behaving themselves, it's extremely easy to describe their behavior theoretically, experimentally and mathematically. The bad news is they almost never beh

• 11:35

### Real Gases: Crash Course Chemistry #14

363 views / 0 likes - added

Hank bursts our ideal gas law bubble, er, balloon, and brings us back to reality, explaining how the constants in the gas law aren't all that constant; how the ideal gas law we've spent the past two weeks with has to be corrected for volume because atoms

• 10:46

### Polar&Non-Polar Molecules: Crash Course Chemistry #23

449 views / 0 likes - added

*** PLEASE WATCH WITH ANNOTATIONS ON! SOME INACCURACIES IN GRAPHICS ARE NOTED AND CORRECTED IN ANNOTATIONS. THANKS! *** Molecules come in infinite varieties, so in order to help the complicated chemical world make a little more sense, we classify and cate

• 08:38

### Hydrocarbon Derivatives - Crash Course Chemistry #43

433 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.

• 12:43

### The War of 1812 - Crash Course US History #11

533 views / 1 likes - added

In which John Green teaches you about the War of 1812. The War of 1812 was fought between the United States and its former colonial overlord England. It started in, you guessed it 1812. The war lasted until 1815, and it resolved very little. John will tak

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• 13:11 Popular

### Women in the 19th Century: Crash Course US History #16

756 views / 1 likes - added

In which John Green finally gets around to talking about some women's history. In the 19th Century, the United States was changing rapidly, as we noted in the recent Market Revolution and Reform Movements episodes. Things were also in a state of flux for

• 07:25

### Battles of the Civil War: Crash Course US History #19

598 views / 4 likes - added

Disclaimer: This is very different than the usual Crash Course US History episode. In which John Green lists a whole lot of the battles of the US Civil War in seven and a half minutes. We get a lot of requests for military history, so we offer a list of b

• 13:15 Popular

### Photosynthesis: Crash Course Biology #8

725 views / 2 likes - added

Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well. Crash Course Biology is now available on DVD! http://dftba.com/pro

• 10:25

### Speciation: Of Ligers&Men - Crash Course Biology #15

441 views / 0 likes - added

Hank explains speciation - the evolutionary process by which new biological species arise - in terms of finches, ligers, mules, and dogs. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like CrashCourse on Facebook: http://www.facebook.c

• 08:51

### Comparative Anatomy: What Makes Us Animals - Crash Course Biology #21

559 views / 0 likes - added

Hank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like

• 13:15

### Complex Animals: Annelids&Arthropods - CrashCourse Biology #23

405 views / 0 likes - added

Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like CrashCourse on Facebook: http://www.facebook.com

• 12:10

### Chordates - CrashCourse Biology #24

477 views / 0 likes - added

Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal sarcopterygian osteich

• 10:54

### Animal Behavior - CrashCourse Biology #25

627 views / 0 likes - added

Hank and his cat Cameo help teach us about animal behavior and how we can discover why animals do the things they do. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like Crash Course on Facebook: http://www.facebook.com/youtubecrashcour

• 11:08 Popular

### The Atlantic Slave Trade: Crash Course World History #24

705 views / 0 likes - added

In which John Green teaches you about one of the least funny subjects in history: slavery. John investigates when and where slavery originated, how it changed over the centuries, and how Europeans and colonists in the Americas arrived at the idea that peo

• 11:05

### Coal, Steam, and The Industrial Revolution: Crash Course World History #32

566 views / 0 likes - added

Mongols Shirts and Crash Course Posters! http://www.dftba.com/crashcourse In which John Green wraps up revolutions month with what is arguably the most revolutionary of modern revolutions, the Industrial Revolution. While very few leaders were beheaded in

• 03:19

### Sesame Street: Salvatore Dada's Abstract Art

345 views / 0 likes - added

Behold abstract pieces of art,“2,” “3,” and “4.” Can you guess what the next art piece is named? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You can catch Sesame Street in the morning and t

• 03:36

### Sesame Street: Leonardo da Crunchy's "The Muncha Lisa"

375 views / 0 likes - added

Behold a masterpiece of cookie art -"The Muncha Lisa." Do you ever wonder what was happening at Leonardo da Crunchy's studio when Muncha Lisa struck her famous stare? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?

• 04:19

### Sesame Street: Kermit Directs a Movie

292 views / 0 likes - added

Lights. Camera. Action. Before Kermit was the big star we all know and love, he made ends meet directing old westerns with a bunch of B-list muppets. Watch this very special clip of Kermit perfecting his craft behind the camera long before he was in the s

• 04:33

### Great Museums Television: Highlights

353 views / 0 likes - added

GREAT MUSEUMS is an award-winning television series celebrating the museum world—in the U.S. and abroad—created by executive producers Marc Doyle and Chesney Blankenstein Doyle. The series opens the doors of museums to millions of viewers through public t

• 26:55

### Trial By Fire: The New York City Fire Museum

500 views / 0 likes - added

Housed in a 1904 firehouse, the New York City Fire Museum chronicles the history of firefighting from colonial times to the present, including the heroic efforts of firefighters on 9/11/01. Produced for Public Television by Great Museums TV. For more info

• 03:10

### New Orleans: A Living Museum of Music - A Webisode

553 views / 1 likes - added

From the Lower Ninth Ward to Congo Square, New Orleans has long been the hub of the ultimate music experience and a living museum of music. But beneath the pomp and circumstance of Mardi Gras and Jazz Fest lies an invaluable community of local musicians i

• 03:41

### Taylor Swift and Zac Efron Sing a Duet!

576 views / 3 likes - added

This incredible duo teamed up to perform an original song for Ellen! They may not have had a lot of rehearsal, but it's clear that this is one musical combo it would be great to hear a lot more of.

• 03:39 Popular

### Disney's Frozen "Let It Go" Sequence Performed by Idina Menzel

5,154 views / 59 likes - added

Frozen is now available to own on Blu-ray & Digital HD.In this clip from Disney's "Frozen," Elsa, whose secret powers have just been revealed, flees Arendelle and unleashes her magic, creating a breathtaking ice palace. Performed by the voice of Elsa,

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• 00:58

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

410 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!! _____________________________

• 03:44

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

384 views / 0 likes - added

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• 02:26

### [Yule Log Audio] O Holy Night - Pentatonix

454 views / 0 likes - added

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• 03:36

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

389 views / 1 likes - added

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• 04:12

### [Yule Log Audio] Little Drummer Boy - Pentatonix

475 views / 1 likes - added

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• 03:04

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

374 views / 0 likes - added

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• 03:14

### [Yule Log Audio] Carol of the Bells - Pentatonix

644 views / 0 likes - added

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• 03:42 Popular

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

1,148 views / 2 likes - added

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• 04:24

### [Yule Log Audio] This Christmas - Pentatonix

551 views / 1 likes - added

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• 03:04

### Pentatonix Holiday Video Guide

372 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

410 views / 0 likes - added

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• 03:14

### [Yule Log Audio] Silent Night - Pentatonix

486 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

490 views / 1 likes - added

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• 03:06

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

383 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

• 02:08

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

377 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

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

518 views / 2 likes - added

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• 03:03

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

403 views / 0 likes - added

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• 03:29

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

431 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

• 02:17

### [Yule Log Audio] Sleigh Ride - Pentatonix

422 views / 0 likes - added

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• 02:48

### [Yule Log Audio] White Winter Hymnal - Pentatonix

445 views / 0 likes - added

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• 03:10

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

453 views / 0 likes - added

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• 02:21 Popular

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

748 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

### [Official Video] Silent Night (Live) - Pentatonix

468 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

• 03:25

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

608 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

• 04:05 Popular

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

1,024 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

• 03:46

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

624 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 "WINTER WONDERLAND/DON'T WORRY BE HAPPY" VIDEO http://smarturl.it/PTXWWiTv BUY PTX VOL III http://smarturl.i

• 03:10 Popular

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

784 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 WHITE WINTER HYMNAL VIDEO http://smarturl.it/PTXWWHiTv BUY PTX VOL III http://smarturl.it/PTXVol3?IQId=yt | B

• 04:10 Popular

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

838 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)

742 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

• 03:38 Popular

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

2,509 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

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• 04:56 Popular

### [Official Video] Daft Punk - Pentatonix

736 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

• 56:32 Popular

### The BEST of Discovery's Dinosaurs

914 views / 3 likes - added

Enter the prehistoric world when dinosaurs ruled the Earth. See them hunt and battle. See them roam in massive herds. Go back in time and experience what dinosaur life was like. Do you love nature? Use Magisto's "Wild Nature" filter on your own video to w

• 43:48 Popular

### Amazing Dinosaurs for KIDS

808 views / 5 likes - added

See CUTE dinosaur babies born and watch take their first clumsy steps. Little tiny Brontosaurus babies run around their family herd triceratops teens play in a field. See FUNNY dinosaur falls and GROSS dinosaur sneezes. Watch a prehistoric squirrel outsma

• 02:08

### Completed Dinosaur Fossils Revealed

603 views / 2 likes - added

All we have left of dinosaurs are their bones, but with much study, they have revealed a lot about their lives during prehistoric times. From Tyrannosaurus Rex fossils to Velociraptor fossils and many more, see how these remnants of the past have revealed

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• 02:14

### SO CUTE: Sleeping Dinosaurs!!

674 views / 1 likes - added

Even dinosaurs need to take a break sometimes. This time, we watch dinosaurs taking it easy, resting and relaxing in their prehistoric environment. Maybe they aren't fuzzy, but these are the cutest dinosaurs EVER! Watch the whole playlist of dinosaur vide

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• 01:59

### Prehistoric Beavers Make A Daring Escape!!

551 views / 0 likes - added

A beaver from the Jurassic Period must be wily to escape danger from dinosaur predators! Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD4rnq14p41x&index=1 Subscribe For More Dinosa

• 02:36

### Prehistoric Flying Squirrels Take Flight!

484 views / 0 likes - added

The exciting life of a flying squirrel in the Jurassic period. Watch as they take to the sky to avoid danger from hungry dinosaurs. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD4

• 02:02 Popular

### KILLER Dinosaur Bugs!

768 views / 0 likes - added

Sometimes dinosaurs didn't just have to worry about other dino predators: sometimes they were on the run from KILLER PREHISTORIC INSECTS! Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hl

• 02:13

### A Look INSIDE Dinosaurs

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With modern technology we are able to hypothesize how the dinosaur anatomy operated and moved. See the skeletal and nervous systems of prehistoric creatures such as T-Rex, Sauropods, Triceratops and Raptors. Watch the whole playlist of dinosaur videos her

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• 02:06

### When Dinosaurs ATTACK!

578 views / 1 likes - added

Dinosaurs hunt and kill to eat. Sometimes those battles to survive are ferocious but it's either eat or be eaten, hunt or be hunted. Staying alert is a must. A T-Rex could be right behind you. Sadly a Triceratops finds out the hard way. Watch the whole pl

• 02:03 Popular

### GROSS Dinosaur Stuff

819 views / 2 likes - added

Dinosaurs did gross things like sneeze, slobber, and poop. They probably even tripped and fell a bit too. Many had killing habits that might gross you out. See a T-Rex poop before it fights and get its arm bitten off during battle and see a beelzebufo, a

• 02:37

### Epic Turf Battle!

556 views / 0 likes - added

A dinosaur can't rest when he finds that his favorite spot is taken, and it turns in to a turf war between these prehistoric beasts. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD

• 02:06

### A Look At Prehistoric Mammals

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It turns out that dinosaurs weren't the only huge creatures roaming the earth during prehistoric times. This time, we look at Wooly Mammoths and other mammals that also existed millions of years ago. Watch the whole playlist of dinosaur videos here: http:

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• 02:07 Popular

### What Did Dinosaurs Eat?

723 views / 1 likes - added

Find out what herbivore dinos ate as dinosaurs large and small graze on sumptuous prehistoric foliage. Watch the whole playlist of dinosaur videos here: http://www.youtube.com/watch?v=sW4p6vzviKQ&list=PLfpPYJH6OjtZGZH1hlR40wD4rnq14p41x&index=1 Subscribe F

• 05:40

392 views / 0 likes - added

• 06:35

### Attack Of The Zombie Parasites!

556 views / 3 likes - added

Did someone say BRAAAAAINS…? Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Shows like The Walking Dead are full of hungry, mindless, surprisingly fleet-footed armies of brain-eating zombies. Could they actually

• 01:09

### What #ScienceWoman Inspires You?

406 views / 0 likes - added

For more information, click HERE: http://bit.ly/1FTAKiF It's Okay To Be Smart is teaming up with Amy Poehler's Smart Girls to bring you this super-special #ScienceWoman project celebrating women in science. But we can't do it without your help! We want yo

• 04:05

### What Is Déjà Vu?!

391 views / 0 likes - added

• 05:13

### 5 Weird Involuntary Behaviors Explained!

552 views / 0 likes - added

• 03:42

### How To See Time Travel!!!

385 views / 1 likes - added

• 02:02

### The Sun Is A Magnet!

536 views / 0 likes - added

Vote PBS Digital Studios for 'Best Science&Education Network' in the 2015 Webbys -- http://vid.io/xqjk ---- Sunspots, solar flares, coronal mass ejections, OH MY! Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub↓ More info and sources below ↓ F

• 01:39 Popular

### Car Made Entirely Out Of Legos

1,236 views / 4 likes - added

More than half a million pieces weighing over 1,100 lbs went into the construction of this working vehicle made almost entirely of Legos. How did Melbourne entrepreneur Steve Sammartino and a young Romanian genius, Raul Oaida, create this awesome, air-pow

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• 03:20

### The Raht Racer Might Revolutionize Daily Commutes

534 views / 0 likes - added

The Raht Racer is the world's first highway safe biking vehicle that amplifies pedal power to car speeds. Can it really make it up to 70 mph? | For more, visit http://www.sciencechannel.com/tv-shows/all-american-makers/#mkcpgn=ytsci1 Catch ALL-AMERICAN MA

• 07:49

### Idea Behind Hypothesis Testing

448 views / 0 likes - added

Idea behind hypothesis testing

• 10:35

### Where Do Deleted Files Go?

402 views / 0 likes - added

Follow Michael Stevens for neat things every day! http://www.Twitter.com/tweetsauce LINKS AND SOURCES BELOW MUSIC BY: http://www.YouTube.com/JakeChudnow final song is "Midnight Sound" by Gareth Johnson / David O'Brien from: http://www.audionetwork.com Los

• 14:53

### Snowman Art Project With Construction Paper

629 views / 1 likes - added

Here's another fun project to do with young artists or a classroom full of students! We want to see how your snowman turns out, and what did you put behind him? EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: Art for Kids Hub P.O. Box

• 10:13

### How To Finger Paint Swans - Valentine's Card

526 views / 0 likes - added

Valentine's Day is coming up! Here's a cute card you could make for someone you love :) Here's another fun idea Valentine's card idea: https://www.youtube.com/watch?v=NfEHUOq9RC8 EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: Art for

• 19:57 Popular

### How To Draw Sonic The Hedgehog

2,561 views / 14 likes - added

Time for more Smash Bros.! You're going to need a lot of blue for how to draw Sonic The Hedgehog! We used Pentel oil pastels to color our Sonic drawings. Here's an affil. link to Amazon to purchase your own set: http://bit.ly/afkhoilpastels EMAIL A PHOTO

• 02:16 Popular

### How Big Is The Sun?

1,699 views / 3 likes - added

Thanks to http://www.squarespace.com/minutephysics for sponsoring this video! MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and enterta

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• 05:14 Popular

1,211 views / 1 likes - added

Behind-the-Scenes of an Airbus A350 being built! Thanks to the folks at Airbus for bringing me to France, Germany, & the UK to visit their headquarters and facilities and see so much incredible engineering. As you can probably tell from this video, I was

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• 03:54

### OK Go - This Too Shall Pass - Rube Goldberg Machine - Official Video

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From the OK Go album "Of the Blue Colour of the Sky" available at http://www.okgo.net/store Director: James Frost, OK Go and Syyn Labs. Producer: Shirley Moyers. The official video for the recorded version of "This Too Shall Pass" off the album "Of the Bl

• 04:17

### OK Go - The Writing's On the Wall - Official Video

566 views / 0 likes - added

Buy Hungry Ghosts on iTunes: http://smarturl.it/HungryGhostsiTunes For dozens of exclusive behind-the-scenes video clips from the set, visit http://okgo.net/wotw/ Buy the EP now on iTunes: http://smarturl.it/OKGOEP LYRICS: Listen, I know it's been hard, y

• 15:54

### The psychology of self-motivation | Scott Geller | TEDxVirginiaTech

554 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

• 02:46

### Two Colour Chemiluminescent Clock Reaction - Periodic Table Of Videos

379 views / 0 likes - added

More details in full description. Dr Sam Tang adds hydrogen peroxide to pyrogallol, formaldehyde and luminol. Chemiluminescence is caused by molecules being formed with some of their electrons in a higher energy level and then losing that energy as light.

• 05:57

### Chemistry Nobel Prize 2013 - Periodic Table Of Videos

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More Nobel Prize videos from us: http://bit.ly/periodicnobel The 2013 Nobel Prize in Chemistry is shared by Martin Karplus, Michael Levitt and Arieh Warshel for their work in the field of computational chemistry. Professor Martyn Poliakoff discusses. More

• 09:53

### Radon - Periodic Table Of Videos

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Here is a new video from us about Radon, including a look at a historic letter and a German cloud chamber! With thanks to the Royal Society and GSI. For those with annotations, the caption at the end for Radon should clearly be Rn, not Ra - sorry! More ch

• 05:04

### Holy Smoke And A New Pope - Periodic Table Of Videos

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We use the Vatican's own recipe to re-create the black and white smoke used during the Papal Conclave. The cardinals elected a former chemist as Pope - Pope Francis! Black Smoke = No Pope White Smoke = Pope This video features Dr Darren Walsh. Thanks also

• 05:17

### Farewell B11 - Periodic Table Of Videos

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• 05:56

### Contains Loud Bangs - Periodic Table Of Videos

324 views / 0 likes - added

• 07:21

### Mercury And Relativity - Periodic Table Of Videos

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A new paper discusses how relativity plays a role in Mercury's low melting point. Planet Mercury (Sixty Symbols): http://youtu.be/rZU8Y9DIBtI Copernicium: http://youtu.be/fqCdP9Uw5vo Gallium: http://youtu.be/N6ccRvKKwZQ Gold Vault :http://youtu.be/CTtf5s2

• 06:49

### Useful Diamonds - Periodic Table Of Videos

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• 06:02

### What If Ice Did Not Float? - Periodic Table Of Videos

318 views / 0 likes - added

The Professor muses on a world in which ice sinks to the bottom!? See also what if the universe is just a computer simulation: http://www.youtube.com/watch?v=YOxDb_BbXzU Made to coincide with YouTube's Geek Week. More chemistry at http://www.periodicvideo

• 07:09

### Iridium - Periodic Table Of Videos

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Up close with some big samples of real Iridium. Our thanks to Johnson Matthey. See all the elements at http://bit.ly/118elements Naming Iridium: http://www.youtube.com/watch?v=fe6SjQRzxZQ Gold Vault: http://www.youtube.com/watch?v=CTtf5s2HFkA More chemist

• 09:52

### Boiling Water - Periodic Table Of Videos

369 views / 0 likes - added

Original Everest video: http://www.youtube.com/watch?v=JTL4dj3Gx1o This video features Martyn Poliakoff, Samantha Tang and Neil Barnes. Thanks to Buddhi Rai and Chandra Rai for all theri help with the Everest boiling. More chemistry at http://www.periodic

• 09:29

### Water Boiling At Everest - Periodic Table Of Videos

354 views / 0 likes - added

Boiling water at various altitudes on the trek from Lukla to Everest Base Camp. Part Two: https://youtu.be/sCh2T9axLyY Nepal Flag: http://bit.ly/10G3Ef3 Everest 8848: http://bit.ly/11ilGvs More scenic clips from Brady's trip: http://bit.ly/12di1M8 Special

• 01:46

### Red-Hot Platinum Ingot - Periodic Table Of Videos

432 views / 0 likes - added

Casting a 4kg platinum ingot. It's worth... well, that depends on today's platinum price! More from our visit: https://www.youtube.com/watch?v=Fg2WzCzKpYU Subscribe to computerphile - http://bit.ly/XqEDYi Filmed at Johnson Matthey - our thanks to them. Mo

• 05:40

### Old School Professor - Periodic Table Of Videos

433 views / 0 likes - added

Professor Martyn Poliakoff visits Westminster School, where he scored 6 out of 10 on his first chemistry experiment! The Prof gave the annual Tizard Lecture. More at: http://www.youtube.com/watch?v=4CK4WHElb4Q Here is his Nyholm Lecture: http://www.youtub

• 05:31

### In The Footsteps Of Tizard - Periodic Table Of Videos

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Prof T-shirts: http://dftba.com/product/14y/The-Professor-Shirt The Professor discusses the life and work of war-time chemist Henry Tizard - who went to the same school as him! The duo went to Westminster School. More chemistry at http://www.periodicvideo

• 07:49

### Palladium - Periodic Table Of Videos

347 views / 0 likes - added

For our updated Palladium video, we are mining the Royal Society archives for the story of its discovery - a tale of money, an asteroid and stolen samples? The discovery was made by William Hyde Wollaston. Royal Society (Romantic Chemistry Exhibition unti

• 09:03

### Seaborgium - Periodic Table Of Videos

367 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

• 07:32

### Musket Firing (slow Motion) - Periodic Table Of Videos

342 views / 0 likes - added

Firing a (very old) musket and filming with a (very new) high-speed camera. With thanks to Jim Gamble. Also discussed by Professor Martyn Poliakoff. Ebay auction has ended. Music courtesy of Henrik 'Appe' Johansson. More chemistry at http://www.periodicvi

• 09:43

### Smelly Chemistry - Periodic Table Of Videos

334 views / 0 likes - added

Mercaptans - or Thiols - are some of the smelliest chemicals around. We didn't dare open the bottle. PsyFile: https://www.youtube.com/psyfile More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos

• 04:39

### Famous Science Spectacles - Periodic Table Of Videos

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Joseph Priestley made a famous discovery - but it seems his eyesight wasn't too good? Royal Society (Romantic Chemistry Exhibition until June 14): http://royalsociety.org/events/2012/romantic-chemistry/ Professor Martyn Poliakoff is Foreign Secretary of t

• 05:34

### Hydrogen Explosions (slow Motion) - Periodic Table Of Videos

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High-speed footage of Hydrogen explosions, with and without Oxygen added to the initial mixture. Professor Martyn Poliakoff discusses, - and muses over questions about our previous hydrogen videos. Watch videos about EVERY element: http://bit.ly/VT9nNZ Re

• 04:39

### High Speed Chemistry - Periodic Table Of Videos

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Filming chemistry with a high-speed camera - main videos coming soon, but here's a preview and chance to see someone stroke The Prof's hair! Reactions filmed with a Phantom Miro (awesome!). We used this: http://www.visionresearch.com/Products/High-Speed-C

• 08:09

### Chemistry Dubstep (behind The Scenes)

386 views / 0 likes - added

How Dave and Adam created out chemistry dusbtep video - see the main video at http://www.youtube.com/watch?v=TcvZL6fx-lU Visit Dave and Adam's channel at: http://bit.ly/boyinaband More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at h

• 02:39

### Chemistry Dubstep

396 views / 1 likes - added

Check these samples. Created solely from sounds recorded in our labs. Music/video by Dave & Adam - check their channel for more creations: http://bit.ly/boyinaband Behind the scenes (including interview with Dave and Adam): http://www.youtube.com/watch?v=

• 06:49

### Gold Bullion Vault - Periodic Table Of Videos

613 views / 1 likes - added

We're INSIDE a Gold Bullion Vault. The Bank of England protects about £197 billion (\$315bn) worth of gold, according to the mostly recently published figures. Film by Brady Haran. Featuring Professor Martyn Poliakoff. The vaults are off limits, but the Ba

• 05:46

### Neptunium - Periodic Table Of Videos

375 views / 0 likes - added

We get a close-up look at Neptunium during a visit to the National Nuclear Laboratory at Sellafield. This video features Mark Sarsfield from NNL - and periodicvideos regulars Steve Liddle and Martyn Poliakoff from the University of Nottingham. With thanks

• 08:00

### Nobel Prize Parking Spaces - Periodic Table Of Videos

309 views / 0 likes - added

...and other tales from our visit to Berkeley. With thanks to the distinguished (and gracious) Darleane Hoffman and Alexander Pines. More videos from our trip to Berkeley will be coming soon, including more about Glenn Seaborg. Since filming, Prof Pines h

• 02:44

### Explosives Legend - Periodic Table Of Videos

336 views / 0 likes - added

The Professor oversees the installation of a "blue plaque" for the late great Colonel BD Shaw. See out-takes from this video (and why Brady gets angry at truck drivers) at: http://www.youtube.com/watch?v=LN7BLUWBuBI More chemistry at http://www.periodicvi

• 04:30

### Losing Fingers To Chemistry - Periodic Table Of Videos

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The Prof is back in the lab with a Potassium Dichromate reaction and a story of lost fingers! More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvid

• 07:20

### Six Cameras - One Reaction

479 views / 0 likes - added

Well, one reaction done twice! Behind the scenes on our Bakelite Reaction video, which was filmed from six camera angles (including three spectators using their phones!) Main video: http://youtu.be/Vlh0YDRmZ0I More chemistry at http://www.periodicvideos.c

• 09:24

### Feynmanium (?) - Periodic Table Of Videos

471 views / 1 likes - added

A video about every element: http://bit.ly/118elements With confirmation of element 117, people are speculating about possible names. Would Nobel-Prize winning physicist Richard Feynman be a good choice? (Some have suggested the speculated element 137 sho

• 09:07

### Holey Experiment - Periodic Table Of Videos

413 views / 0 likes - added

Fiery experiments, rocket launches and a messy fumehood... All about Trimethylaluminium. Featuring Professor Simon Woodward. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at

• 07:27

### Liquid Electrons - Periodic Table Of Videos

405 views / 0 likes - added

Solvated electrons - sodium in ammonia. Featuring Dr Rob Stockman from the University of Nottingham. Hello Internet podcast: http://www.hellointernet.fm And on YouTube (although a few weeks behind): http://bit.ly/HelloInternetYT More chemistry at http://w

• 04:22

### Why Do Your Knuckles Pop? - Eleanor Nelsen

591 views / 3 likes - added

View full lesson: http://ed.ted.com/lessons/why-do-your-knuckles-pop-eleanor-nelsen Some people love the feeling of cracking their knuckles, while others cringe at the sound. But what causes that trademark pop? And is it dangerous? Eleanor Nelsen gives th

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• 04:00

### Could Your Brain Repair Itself? - Ralitsa Petrova

576 views / 1 likes - added

View full lesson: http://ed.ted.com/lessons/could-your-brain-repair-itself-ralitsa-petrova Imagine the brain could reboot, updating its damaged cells with new, improved units. That may sound like science fiction — but it’s a potential reality scientists a

• 04:42

### The Real Story Behind Archimedes’ Eureka! - Armand D'Angour

510 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/the-real-story-behind-archimedes-eureka-armand-d-angour When you think of Archimedes’ Eureka moment, you probably imagine a man in a bathtub, right? As it turns out, there's much more to the story. Armand D'Ango

• 05:14

### How Brain Parasites Change Their Host's Behavior - Jaap De Roode

553 views / 1 likes - added

View full lesson: http://ed.ted.com/lessons/how-parasites-change-their-host-s-behavior-jaap-de-roode The biggest challenge in a parasite’s life is to move from one host to another. Intriguingly, many parasites have evolved the ability to manipulate the be

• 03:30

### Rhythm In A Box: The Story Of The Cajon Drum - Paul Jennings

600 views / 1 likes - added

View full lesson: http://ed.ted.com/lessons/rhythm-in-a-box-the-story-of-the-cajon-drum-paul-jennings Many modern musical instruments are complicated pieces of machinery with many moving parts. But the cajon is simply a drum and a stand and a seat all in

• 03:55

### How Do Your Kidneys Work? - Emma Bryce

583 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/how-do-your-kidneys-work-emma-bryce After drinking a few glasses of water on a hot day, you might be struck with a sudden ... urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal

• 04:36

### How Do Vaccines Work? - Kelwalin Dhanasarnsombut

581 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/how-do-vaccines-work-kelwalin-dhanasarnsombut The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to

• 04:27

### The Hidden Worlds Within Natural History Museums - Joshua Drew

636 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/the-hidden-worlds-within-natural-history-museums-joshua-drew When you think of natural history museums, you might picture exhibits filled with ancient lifeless things, like dinosaurs or meteorites. But behind th

• 03:25

### What Does The Liver Do? - Emma Bryce

536 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/what-does-the-liver-do-emma-bryce There’s a factory inside you that weighs about 1.4 kilograms and runs for 24 hours a day. It’s your liver: the heaviest organ in your body, which simultaneously acts as a storeh

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• 04:39

### The Unexpected Math Behind Van Gogh's

557 views / 1 likes - added

View full lesson: http://ed.ted.com/lessons/the-unexpected-math-behind-van-gogh-s-starry-night-natalya-st-clair Physicist Werner Heisenberg said, “When I meet God, I am going to ask him two questions: why relativity? And why turbulence? I really bel

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• 04:52

### Particles And Waves: The Central Mystery Of Quantum Mechanics - Chad Orzel

574 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzel One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle

• 04:44

### What Is The Heisenberg Uncertainty Principle? - Chad Orzel

391 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/what-is-the-heisenberg-uncertainty-principle-chad-orzel The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object. Why not? Because ev

• 04:20 Popular

### Music And Math: The Genius Of Beethoven - Natalya St. Clair

820 views / 1 likes - added

View full lesson: http://ed.ted.com/lessons/music-and-math-the-genius-of-beethoven-natalya-st-clair How is it that Beethoven, who is celebrated as one of the most significant composers of all time, wrote many of his most beloved songs while going deaf? Th

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• 07:57 Popular

### LAYERED EARTH CAKE - NERDY NUMMIES

1,330 views / 11 likes - added

Today I made a layered Earth cake in celebration of Earth Day! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like me to make next. FOLLOW ME HER

• 04:17 Popular

### The Coelacanth: A Living Fossil Of A Fish - Erin Eastwood

773 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/the-coelacanth-a-living-fossil-of-a-fish-erin-eastwood The coelacanth, a prehistoric fish that was mistakenly thought to have gone extinct at the same time as the dinosaurs, has managed to stick around our seas

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• 05:01 Popular

### How Quantum Mechanics Explains Global Warming - Lieven Scheire

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View full lesson: http://ed.ted.com/lessons/how-quantum-mechanics-explains-global-warming-lieven-scheire You've probably heard that carbon dioxide is warming the Earth. But how exactly is it doing it? Lieven Scheire uses a rainbow, a light bulb and a bit

• 04:47

### Inside The Ant Colony - Deborah M. Gordon

571 views / 1 likes - added

View full lesson: http://ed.ted.com/lessons/inside-the-ant-colony-deborah-m-gordon Ants have one of the most complex social organizations in the animal kingdom; they live in structured colonies that contain different types of members who perform specific

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• 03:37

### The Time Value Of Money - German Nande

570 views / 1 likes - added

View full lesson: http://ed.ted.com/lessons/how-to-calculate-the-future-value-of-your-cash-german-nande We've all heard the phrase "Time is money." But what do these two things actually have to do with one another? German Nande explains the math behind in

• 18:39

### Billionaire Mathematician - Numberphile

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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

• 09:18

### 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35...

542 views / 0 likes - added

Watch my FIELD DAY video, “Home Sweet Whittier”: http://bit.ly/1QKKcuo And subscribe to FIELD DAY!! http://www.youtube.com/fieldday Jake and Kevin will be doing field days soon!! LINKS, SOURCES, and MORE are below: This video was shot in beautiful Buchare

• 04:08

### What's The Loudest Possible Sound?

554 views / 2 likes - added

It’s definitely higher than “11” Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway? In this video

• 12:45 Popular

### VEGAN DONUT BRONUT HOLES Ft. Smosh! - NERDY NUMMIES

718 views / 2 likes - added

Today I made 'Food Battle: The Game' Bronut Donut Holes with Anthony and Ian of Smosh! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like me to

• 13:40

### The Amazing Heptadecagon (17-gon) - Numberphile

530 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

• 07:43

### How To Trisect An Angle With Origami - Numberphile

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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

• 06:17

### The Fermi Paradox II — Solutions And Ideas – Where Are All The Aliens?

503 views / 1 likes - added

Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is

• 06:22 Popular

### The Fermi Paradox — Where Are All The Aliens? (1/2)

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The universe is unbelievably big – trillions of stars and even more planets. Soo… there just has to be life out there, right? But where is it? Why don’t we see any aliens? Where are they? And more importantly, what does this tell us about our own fate in

• 05:34 Popular

### Measles Explained — Vaccinate Or Not?

750 views / 1 likes - added

Everybody is talking about Measles – but what does the virus actually do in the body? Is it really so harmful that you need a vaccination? We go deep into the body of an infected person and see what Measles does and how the immune system reacts to it! Vid

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• 04:58

### How Small Is An Atom? Spoiler: Very Small.

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Atoms are very weird. Wrapping your head around exactly how weird, is close to impossible – how can you describe something that is SO removed from humans experience? But then again, they kind of make up everything, so let us try anyways. You can the MUSIC

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• 03:46

### The Math Behind Michael Jordan’s Legendary Hang Time - Andy Peterson And Zack Patterson

634 views / 2 likes - added

View full lesson: http://ed.ted.com/lessons/the-math-behind-michael-jordan-s-legendary-hang-time-andy-peterson-and-zack-patterson Michael Jordan’s legendary slam dunk from the free throw line has been calculated at 0.92 seconds of pure hang time. But how

• 05:18

### What’s The Big Deal With Gluten? - William D. Chey

467 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/what-s-the-big-deal-with-gluten-william-d-chey If you've been to a restaurant in the last few years, you’ve likely seen the words gluten-free written somewhere on the menu. But what exactly is gluten, and why ca

• 04:42

### How To Detect A Supernova - Samantha Kuula

417 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/how-to-detect-a-supernova-samantha-kuula Just now, somewhere in the universe, a star exploded. In fact, a supernova occurs every second or so in the observable universe. Yet, we’ve never actually been able to wa

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• 05:22

### The Essentials Of Energy

441 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

• 03:33

### Football Physics: The

604 views / 3 likes - added

View full lesson: http://ed.ted.com/lessons/football-physics-the-impossible-free-kick-erez-garty In 1997, Brazilian football player Roberto Carlos set up for a 35 meter free kick with no direct line to the goal. Carlos’s shot sent the ball flying wide of

• 05:39

### Which Came First - Flowers Or Bees?

622 views / 2 likes - added

Stop and smell the flowers… and watch this video Subscribe: http://bit.ly/iotbs_sub Twitter: @jtotheizzoe @okaytobesmart ↓ More info and sources below ↓ Bees and flowers have an amazingly close relationship. Flowers need bees in order to reproduce, and be

• 02:48

### Why Don't Scavengers Get Sick?

541 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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• 06:18

### TETRIS TATER TOTS - NERDY NUMMIES

554 views / 4 likes - added

Today I made Tetris Tater Tots from scratch! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like me to make next. FOLLOW ME HERE: Facebook: http:

• 11:22

### Meteors: Crash Course Astronomy #23

430 views / 2 likes - added

Today Phil helps keep you from ticking off an astronomer in your life by making sure you know the difference between a meteor, meteorite, and meteoroid. When the Earth plows through the stream emitted by a comet we get a meteor shower. Meteors burn up abo

• 08:02

### The Truth About Toilet Swirl - Northern Hemisphere

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SYNCHRONIZE WITH DEREK'S VIDEO: http://bit.ly/SouthernSwirl Both videos on one page (for desktop): http://bit.ly/ToiletSwirl Subscribe to Veritasium: http://bit.ly/Sub2Veritasium TWEET THIS! http://bit.ly/ToiletSwirlTWT ↓↓↓↓↓↓↓More info Below ↓↓↓↓↓↓↓ Some

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• 04:41

### A Baffling Balloon Behavior - Smarter Every Day 113

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• 07:05

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

446 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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• 03:14

### The Truth About The Charlie Charlie Challenge

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We may not be sure who’s behind it, but we can tell you that the Charlie Charlie Challenge doesn’t really work. Because physics. ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Just

• 03:00

### The Scientific Power Of Meditation

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How exactly does meditation affect your body? GET THE BOOK! http://asapscience.com/book SUBSCRIBE: http://bit.ly/10kWnZ7 Written by: Rachel Salt, Gregory Brown and Mitchell Moffit FOLLOW US--- Instagram and Twitter: @whalewatchmeplz and @mitchellmoffit Cl

• 10:10

### 14 Facts About Parasites - Mental_floss On YouTube - List Show (314)

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A weekly show where knowledge junkies get their fix of trivia-tastic information. This week, Aaron shares some facts about truly horrifying parasites! Sleep tight... ---- Want more of Aaron? Check him out at... Healthcare Triage: https://www.youtube.com/t

• 05:42 Popular

### How Do Chameleons Change Color?

846 views / 2 likes - added

New research shows chameleons actively tune nano-crystals to change their color. For a 10-day free trial, check out http://lynda.com/veritasium Chameleon research in Nature Communications: http://bit.ly/1FacHO2 "Photonic Crystals Cause Active Colour Chang

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• 03:26

### “Hey Bill Nye, What’s Science Good For Outside Of School?” #tuesdayswithbill

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On this week's Tuesdays With Bill, Lillian has the whole summer ahead of her, and wants to know what kind of science-related activities she can do outside of the classroom. Do you want to ask Bill a question for a future "Tuesdays with Bill?" Click here t

• 03:30

### Meditation Changes Your Brain For The Better, Even If You're Not A Monk

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You don't have to become a monk to learn from one, says Dr. Wendy Suzuki, professor of neural science and psychology at New York University. Research into how meditation affects the brain is conclusive: Meditating immediately changes the frequency of your

• 03:26

### Elon Musk And Stephen Hawking Fear A Robot Apocalypse. But A Major Physicist Disagrees.

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All new technology is frightening, says physicist Lawrence Krauss. But there are many more reasons to welcome machine consciousness than to fear it. Read more at BigThink.com: http://bigthink.com/videos/should-we-be-scared-of-ai Follow Big Think here: You

• 01:51

### How Natural Selection Works

443 views / 1 likes - added

Through natural selection, living things have evolved over billions of years from simple cells into an awe-inspiring array of organisms. “Life at the Limits” Co-curators John Sparks and Mark Siddall explain how over time natural selection leads to changes

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• 02:11

### Sugar Crystal Ornaments - Sick Science! #220

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Check out cool science kits and toys: www.stevespanglerscience.com See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/sugar-crystal-ornaments Sugar is delicious, sweet and… perfect for creating colorful, beautiful ornaments?

• 10:04

### The Naked Mole-Rat

454 views / 2 likes - added

Naked mole-rats are some of the most fascinating members of the animal kingdom - but just how unique are they? Turns out, they diverged from their nearest relative more than 31 MILLION years ago! Field Museum curator Dr. Bruce Patterson, and Yale postdoct

• 02:04

### Why Do Things Look Darker When They're Wet?

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It’s kinda embarrassing when you spill stuff on your shirt and it makes a stain. So you might as well understand the science behind it, so at least you can act all smart and explain it to people. Hosted by: Michael Aranda Spill Man: Stefan Chin Angry Mob:

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