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  • 09:31 Scale of Earth and  Sun

    Scale of Earth and Sun

    473 views / 2 likes - added

    Scale of Earth and Sun More free lessons at: http://www.khanacademy.org/video?v=GZx3U0dbASg

  • 04:39 Seasons Aren't Dictated by Closeness to Sun

    Seasons Aren't Dictated by Closeness to Sun

    396 views / 0 likes - added

    Why our closeness to the sun does not dictate the seasons More free lessons at: http://www.khanacademy.org/video?v=SJUd5du0T08

  • 10:32 Eclipses: Crash Course Astronomy #5

    Eclipses: Crash Course Astronomy #5

    605 views / 0 likes - added

    The big question in the comments last week was, "BUT WHAT ABOUT ECLIPSES?" Today, Phil breaks 'em down for you. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse -- As promised, Phil's sun spotting recommendations: Astronome

  • 10:17 Popular Introduction to the Solar System: Crash Course Astronomy #9

    Introduction to the Solar System: Crash Course Astronomy #9

    719 views / 1 likes - added

    In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today. This episode is sponsored by Squaresp

  • 12:04 The Sun: Crash Course Astronomy #10

    The Sun: Crash Course Astronomy #10

    591 views / 2 likes - added

    Phil takes us for a closer (eye safe!) look at the two-octillion ton star that rules our solar system. We look at the sun's core, plasma, magnetic fields, sunspots, solar flares, coronal mass ejections, and what all of that means for our planet. This epis

  • 10:16 Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

    Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3

    652 views / 0 likes - added

    •••SUBBABLE MESSAGE••• TO : Phoebe and James McMullan FROM : Dad Continue being awesome Phoebe&James from John&Hank! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 14:33 The Sun&The Earth: Crash Course Big History #3

    The Sun&The Earth: Crash Course Big History #3

    571 views / 1 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We're going to focus on the formation and development of the Earth, because that's where people live. You'll learn about the Solar nebula, the bi

  • 12:20 The Anthropocene and the Near Future: Crash Course Big History #9

    The Anthropocene and the Near Future: Crash Course Big History #9

    500 views / 0 likes - added

    In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle, and awesome elect

  • 07:21 Popular Humans and Energy: Crash Course World History 207

    Humans and Energy: Crash Course World History 207

    796 views / 1 likes - added

    In which Stan Muller subs for John Green and teaches you about energy and humanity. Today we discuss the ideas put forth by Alfred Crosby in his book, Children of the Sun. Historically, almost all of the energy that humans use has been directly or indirec

  • 11:44 Schizophrenia&Dissociative Disorders: Crash Course Psychology #32

    Schizophrenia&Dissociative Disorders: Crash Course Psychology #32

    425 views / 0 likes - added

    ••• Subbable Message ••• To: Margarete From: Toni Your sister thinks you are the best! Here's hoping Crash Course does an Art History season just for you. :) ••• To get your own message in the dooblydoo, you can directly support Crash Course at http://www

  • 11:27 The Natives and the English - Crash Course US History #3

    The Natives and the English - Crash Course US History #3

    549 views / 0 likes - added

    In which John Green teaches you about relations between the early English colonists and the native people the encountered in the New World. In short, these relations were poor. As soon as they arrived, the English were in conflict with the native people.

  • 14:17 The Election of 1860&the Road to Disunion: Crash Course US History #18

    The Election of 1860&the Road to Disunion: Crash Course US History #18

    603 views / 1 likes - added

    In which John Green teaches you about the election of 1860. As you may remember from last week, things were not great at this time in US history. The tensions between the North and South were rising, ultimately due to the single issue of slavery. The Nort

  • 13:40 America in World War I: Crash Course US History #30

    America in World War I: Crash Course US History #30

    574 views / 2 likes - added

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

  • 13:15 Popular Photosynthesis: Crash Course Biology #8

    Photosynthesis: Crash Course Biology #8

    747 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

  • 13:11 Popular The Skeletal System: It's ALIVE! - CrashCourse Biology #30

    The Skeletal System: It's ALIVE! - CrashCourse Biology #30

    1,035 views / 1 likes - added

    Hank introduces us to the framework of our bodies, our skeleton, which apart from being the support and protection for all our fleshy parts, is involved in many other vital processes that help our bodies to function properly. Crash Course Biology is now a

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  • 10:26 Popular Ecology - Rules for Living on Earth: Crash Course Biology #40

    Ecology - Rules for Living on Earth: Crash Course Biology #40

    1,010 views / 0 likes - added

    Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with ea

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  • 12:53 Islam, the Quran, and the Five Pillars All Without a Flamewar: Crash Course World History #13

    Islam, the Quran, and the Five Pillars All Without a Flamewar: Crash Course World History #13

    501 views / 1 likes - added

    Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything

  • 13:46 Popular Imperialism: Crash Course World History #35

    Imperialism: Crash Course World History #35

    1,999 views / 0 likes - added

    In which John Green teaches you about European Imperialism in the 19th century. European powers started to create colonial empires way back in the 16th century, but businesses really took off in the 19th century, especially in Asia and Africa. During the

  • 12:11 Communists, Nationalists, and China's Revolutions: Crash Course World History #37

    Communists, Nationalists, and China's Revolutions: Crash Course World History #37

    560 views / 2 likes - added

    Don't forget! Crash Course posters and t-shirts at http://www.dftba.com/crashcourse In which John Green teaches you about China's Revolutions. While the rest of the world was off having a couple of World Wars, China was busily uprooting the dynastic syste

  • 03:35 Sesame Street: Bert and Ernie's Circle Song

    Sesame Street: Bert and Ernie's Circle Song

    548 views / 1 likes - added

    Bert and Ernie have a perfectly round circle, but what else can a circle be? Could it be a pizza pie or a sun in the sky? Could it be a wheel on a car or a bike? Use your imagination as you sing along with Ernie. Subscribe to the Sesame Street Channel her

  • 01:42 Sesame Street: Happiness is Looking Up (and Finding Cookies)

    Sesame Street: Happiness is Looking Up (and Finding Cookies)

    369 views / 0 likes - added

    Cookie Monster is sad, and Ernie wants to help. Ernie suggests looking up to help feel happy. Have you ever tried looking up? Try it! Take a deep breath, throw back your shoulders, and look up! Who knows the great things you'll see when you look up: birds

  • 01:31 Sesame Street: Song of One (Baker #1)

    Sesame Street: Song of One (Baker #1)

    678 views / 0 likes - added

    Can you count to the number 1? It's a fun number to count to. Just say it, "one," and you are done. How many things are there just one of? You have one belly button, there is one sun, one moon, and one big tree in your backyard. One is a special number. S

  • 00:57 Sesame Street: Signing Night Moon

    Sesame Street: Signing Night Moon

    373 views / 0 likes - added

    Take a seat, grab a glass of milk, and listen to this poem about the night, the moon, sky, and rising sun. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your

  • 01:11 Sesame Street: Gotcha! with Tom Bergeron

    Sesame Street: Gotcha! with Tom Bergeron

    341 views / 0 likes - added

    Sesame Street- a place where the days are sunny, the clouds are swept away, and the air is sweet...or is it? Sometimes things aren't always as sweet as they appear. Find out on today's episode of Gotcha! The reality show that uses hidden cameras to catch

  • 03:41 Sesame Street: People in Your Neighborhood -- Opera Singer

    Sesame Street: People in Your Neighborhood -- Opera Singer

    513 views / 0 likes - added

    Murray Monster and Ovejita travel to Lincoln Center to join Metropolitan Opera mezzo-soprano Isabel Leonard. While dancers tell stories with their bodies, Isabel will show how stories are sung by opera singers and give a demonstration of a funny vocal exe

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

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

    424 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

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

    399 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

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

    [Yule Log Audio] O Holy Night - Pentatonix

    476 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

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

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

    407 views / 1 likes - added

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

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

    [Yule Log Audio] Little Drummer Boy - Pentatonix

    494 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

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

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

    386 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

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

    [Yule Log Audio] Carol of the Bells - Pentatonix

    661 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

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

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

    1,167 views / 2 likes - added

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

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

    [Yule Log Audio] This Christmas - Pentatonix

    570 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

  • 03:04 Pentatonix Holiday Video Guide

    Pentatonix Holiday Video Guide

    389 views / 0 likes - added

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

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

    [Yule Log Audio] Let it Go - Pentatonix

    431 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

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

    [Yule Log Audio] Silent Night - Pentatonix

    506 views / 0 likes - added

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

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

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

    509 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

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

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

    398 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

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

    390 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

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

    537 views / 2 likes - added

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

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

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

    417 views / 0 likes - added

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

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

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

    443 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

    [Yule Log Audio] Sleigh Ride - Pentatonix

    437 views / 0 likes - added

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

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

    [Yule Log Audio] White Winter Hymnal - Pentatonix

    459 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

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

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

    472 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

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

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

    771 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

    [Official Video] Silent Night (Live) - Pentatonix

    488 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

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

    631 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

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

    1,050 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)

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

    646 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)

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

    804 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)

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

    855 views / 2 likes - added

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

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

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

    759 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)

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

    2,539 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

    [Official Video] Daft Punk - Pentatonix

    756 views / 9 likes - added

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

  • 02:52 60-Foot-Wide Asteroid Hurtles Toward Earth

    60-Foot-Wide Asteroid Hurtles Toward Earth

    551 views / 0 likes - added

    In February 2013, a stunning sight in the sky over Russia made international headlines. The light of an asteroid hurtling toward Earth was brighter than the sun. | For more STRIP THE COSMOS, visit http://www.sciencechannel.com/tv-shows/strip-the-cosmos/#m

  • 03:16 Why Solar Storms Are So Dangerous | Strip the Cosmos

    Why Solar Storms Are So Dangerous | Strip the Cosmos

    467 views / 1 likes - added

    More than 20 solar storms a day can occur on the surface of the sun. These energy surges can cause real problems down on Earth. | For more STRIP THE COSMOS, visit http://www.sciencechannel.com/tv-shows/strip-the-cosmos/#mkcpgn=ytsci1 Subscribe to Science

  • 05:03 Space School- The Sun

    Space School- The Sun

    523 views / 1 likes - added

    The Sun has burned for almost 5 billion years and produces power and heat beyond imagination. However, this powerful star won't always be around - what might life look like once the Sun is gone?

  • 04:30 Popular Space School- Pluto

    Space School- Pluto

    803 views / 2 likes - added

    At 3.7 billion miles from the Sun, the dark world of Pluto has remained a puzzle to scientists. Discovered less than one hundred years ago, new findings are still emerging about this distant former planet.

  • 10:18 Popular Mercury: Crash Course Astronomy #13

    Mercury: Crash Course Astronomy #13

    787 views / 6 likes - added

    Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice hiding beneath its surface. -- Table of Contents Closest Planet to the Sun 0:03 Rotation Locked t

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  • 03:12 Popular What Color Is The Universe?

    What Color Is The Universe?

    759 views / 2 likes - added

    Hint: It’s not black Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ When you stare up at the night sky, you might think that the universe is really black, but that’s just because our eyes aren’t sensitive enough

  • 05:13 5 Weird Involuntary Behaviors Explained!

    5 Weird Involuntary Behaviors Explained!

    569 views / 0 likes - added

    Yawns, hiccups, twitchy eyes (and more) explained! Subscribe to It’s Okay To Be Smart: http://bit.ly/iotbs_sub ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on In

  • 02:02 The Sun Is A Magnet!

    The Sun Is A Magnet!

    555 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

  • 03:47 Creating A Sun-Powered Death Ray

    Creating A Sun-Powered Death Ray

    538 views / 0 likes - added

    Kevin Moore and Grant Reynolds attempt to create a focused beam of light hot enough to melt bronze. To accomplish this goal, they will only use the lenses of old projection TV's and the abundant light of the sun. | For more, visit http://www.sciencechanne

  • 10:50 Venus: Crash Course Astronomy #14

    Venus: Crash Course Astronomy #14

    699 views / 2 likes - added

    Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight -- but it’s beauty is best looked at from afar. Even though Mercury is closer to the sun, Venus is the hottest planet in the solar system, due to a runaway greenhouse effect, and

  • 10:12 Mars: Crash Course Astronomy #15

    Mars: Crash Course Astronomy #15

    642 views / 3 likes - added

    The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet's topography, core, and features. We'll take a look back to Mars's past and make

  • 13:32 What Is The Speed Of Dark?

    What Is The Speed Of Dark?

    483 views / 1 likes - added

    twitter: http://www.twitter.com/tweetsauce instagram: http://www.instagram.com/electricpants facebook: http://www.facebook.com/VsauceGaming SOURCES BELOW: this is the video where I talk about THE SPEED OF PUSH: https://www.youtube.com/watch?v=Do1lm9IevYE

  • 02:16 Popular How Big Is The Sun?

    How Big Is The Sun?

    1,727 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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  • 03:11 Popular How Do Airplanes Fly?

    How Do Airplanes Fly?

    732 views / 0 likes - added

    How Airplanes Are Made: https://www.youtube.com/watch?v=7rMgpExA4kM Thanks to Airbus for supporting this video http://www.a350xwb.com MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minute

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  • 02:30 Why Is The Sun Yellow And The Sky Blue?

    Why Is The Sun Yellow And The Sky Blue?

    559 views / 0 likes - added

    Get "Into Thin Air" for free on Audible at http://www.audible.com/minutephysics And Subscribe to MinutePhysics MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics

  • 02:41 OK Go - Last Leaf - Official Video

    OK Go - Last Leaf - Official Video

    605 views / 0 likes - added

    Official Music Video for OK Go's "Last Leaf" This video was made in partnership with Samsung NX100 iFn. Directed by OK Go, Nadeem Mazen and Ali Mohammad Produced by Shirley Moyers Animation art by Geoff Mcfetridge, Champion Studio Preliminary Animation by

  • 02:00 Popular How Does Fusion Power The Sun?

    How Does Fusion Power The Sun?

    710 views / 0 likes - added

    The Sun contains 99.8 percent of all matter in the solar system. Under crushing pressure and extreme temperatures generated by gravity, the violent process of nuclear fusion powers the tremendous energy output of the sun. | http://science.discovery.com/tv

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  • 05:02 Aurora Borealis Explained

    Aurora Borealis Explained

    436 views / 1 likes - added

    This video explains how particles originating from deep inside the core of the sun creates northern lights, also called aurora borealis, on our planet.See an extended multimedia version of this video at forskning.no (only in Norwegian):http://www.forsknin

  • 04:37 Sunlight Is Way Older Than You Think - Sten Odenwald

    Sunlight Is Way Older Than You Think - Sten Odenwald

    331 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/sunlight-is-way-older-than-you-think-sten-odenwald It takes light a zippy 8 minutes to reach Earth from the surface of the Sun. But how long does it take that same light to travel from the Sun’s core to its surf

  • 05:48 Popular I'm Batman - Amy Wray

    I'm Batman - Amy Wray

    709 views / 4 likes - added

    View full lesson: http://ed.ted.com/lessons/i-m-batman-amy-wray What flies through the night, silently guarding and protecting our world from evil? Batman? Try...a bat. Like Batman, bats are widely misunderstood and vilified. Amy Wray disproves the myth t

  • 04:44 Popular A Guide To The Energy Of The Earth - Joshua M. Sneideman

    A Guide To The Energy Of The Earth - Joshua M. Sneideman

    730 views / 1 likes - added

    View full lesson: http://ed.ted.com/lessons/a-guide-to-the-energy-of-the-earth-joshua-m-sneideman Energy is neither created nor destroyed — and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Josh

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  • 02:00 What Are Sunspots?

    What Are Sunspots?

    365 views / 0 likes - added

    Sun Spots mark areas where light is trapped. Powerful electromagnetic forces interrupt the convective motion that brings hot, inner materials to the sun's surface. The largest sunspots can be over 10 times the size of Earth. | http://science.discovery.com

  • 07:10 The 'Everything' Formula - Numberphile

    The 'Everything' Formula - Numberphile

    509 views / 0 likes - added

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

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

    Something Special About 399 (and 2015) - Numberphile

    469 views / 0 likes - added

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

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

    How To Trisect An Angle With Origami - Numberphile

    529 views / 0 likes - added

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

  • 04:51 Popular Debunking The Myths Of OCD - Natascha M. Santos

    Debunking The Myths Of OCD - Natascha M. Santos

    1,352 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/debunking-the-myths-of-ocd-natascha-m-santos There’s a common misconception that if you like to meticulously organize your things, keep your hands clean, or plan out your weekend to the last detail, you might be

  • 04:03 Sesame Street: Play Estimation Vacation With Guy Smiley!

    Sesame Street: Play Estimation Vacation With Guy Smiley!

    606 views / 1 likes - added

    It is time for fun in the sun at the beach. Guy Smiley hosts "Estimation Vacation" and Bert has been selected to play against the reigning champion, the Estimation Crustacean. What's the prize? Subscribe to the Sesame Street Channel here: http://www.youtu

  • 03:33 Why No Polar Pineapples: Crash Course Kids #11.2

    Why No Polar Pineapples: Crash Course Kids #11.2

    547 views / 0 likes - added

    Plants are amazing. Really! Photosynthesis is an incredible thing. But it also means that some plants can't live everywhere. They need to get the right amount of sunlight for the right amount of time. In this episode of Crash Course Kids, Sabrina chats ab

  • 03:57 Popular Seasons And The Sun: Crash Course Kids 11.1

    Seasons And The Sun: Crash Course Kids 11.1

    1,088 views / 1 likes - added

    Updated with graphics fixed. Thanks for pointing that out! Ever wonder why we have seasons? A lot of people think it's because the Earth gets further away from the sun in winter, and closer in the summer. But, it's actually more interesting than that. In

  • 04:53 Popular Following The Sun: Crash Course Kids #8.2

    Following The Sun: Crash Course Kids #8.2

    1,314 views / 7 likes - added

    Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited and hope you enjoy

  • 04:01 Popular Earth's Rotation & Revolution: Crash Course Kids 8.1

    Earth's Rotation & Revolution: Crash Course Kids 8.1

    909 views / 1 likes - added

    So, have you ever wondered why we have seasons? Or maybe where the sun goes when it's night time? *Hint: It doesn't actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth's rotation and revolution and how these things co

  • 03:27 Sesame Street: Summoned To The King's Picnic

    Sesame Street: Summoned To The King's Picnic

    351 views / 0 likes - added

    Once upon a time, in a faraway kingdom on a beautiful sunny day, the King decided to have a picnic and so he invited everybody to his castle. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet You

  • 03:00 Vegetation Transformation: Crash Course Kids #5.2

    Vegetation Transformation: Crash Course Kids #5.2

    495 views / 0 likes - added

    Have you ever seen a magic trick where one thing changes to another thing? Well, that's nothing compared to what plants can do through a process called photosynthesis. In this episode, Sabrina talks about how photosynthesis works! This first series is bas

  • 03:04 Popular Here Comes The Sun: Crash Course Kids #5.1

    Here Comes The Sun: Crash Course Kids #5.1

    1,174 views / 6 likes - added

    Updated with fix. Thanks for pointing that out!!! :) Every hear of "Sol"? Sure you have! It's our Sun! It sits at the center of our 8 planet solar system, providing us with heat and light. But how does that energy get to us? In this episode of Crash Cours

  • 11:33 Asteroids: Crash Course Astronomy #20

    Asteroids: Crash Course Astronomy #20

    496 views / 1 likes - added

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

  • 03:25 Popular Does The Moon Really Orbit The Earth?

    Does The Moon Really Orbit The Earth?

    798 views / 2 likes - added

    What holds the moon up? Moonbeams! Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ According to Newton’s law of gravitation, the sun should “pull” way harder on the moon than the Earth does. So does the moon actu

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  • 11:55 Comets: Crash Course Astronomy #21

    Comets: Crash Course Astronomy #21

    540 views / 0 likes - added

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

  • 11:45 Popular The Moon Terminator Illusion

    The Moon Terminator Illusion

    720 views / 0 likes - added

    http://www.twitter.com/tweetsauce http://instagram.com/electricpants Sources and sites to learn more below!!! dolly zoom effect: http://filmmakeriq.com/lessons/introduction-to-the-dolly-zoom/ visual angle: http://en.wikipedia.org/wiki/Angular_diameter htt

  • 03:37 Up, Up & Away: Crash Course Kids #16.2

    Up, Up & Away: Crash Course Kids #16.2

    646 views / 0 likes - added

    So... what makes the wind? You might be surprised to learn that it has to do with two of Earth's spheres; The Hydrosphere and the Geosphere. In this episode of Crash Course Kids, Sabrina takes us to the beach to chat about how the wind comes into being an

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  • 03:33 Popular Land And Water: Crash Course Kids #16.1

    Land And Water: Crash Course Kids #16.1

    728 views / 0 likes - added

    Remember Sol, the closest star to Earth? We like to call it The Sun and we haven't talked about it in a little while. One interesting thing about the energy we get from the sun is that it's not absorbed the same way by different materials. In fact, even a

  • 03:48 How To Detect A Secret Nuclear Test

    How To Detect A Secret Nuclear Test

    632 views / 1 likes - added

    Thanks to the CTBTO for helping keep the world safe by detecting secret nuclear tests. http://www.ctbto.org http://www.twitter.com/ctbto_alerts http://www.facebook.com/CTBTO http://www.youtube.com/CTBTO Music by Nathaniel Schroeder http://www.soundcloud.c

  • 02:34 Upside Down Mountains In Real Life

    Upside Down Mountains In Real Life

    571 views / 1 likes - added

    Research on global mountain surface areas: http://bit.ly/1eJyqCM This video is supported by http://www.lynda.com/minutephysics Thanks to the following Subbable subscribers for making MinutePhysics possible: Marc Vigod @WeAretheProduct Knowledge Videos: ht

  • 02:54 Popular Why Raindrops Are Mathematically Impossible

    Why Raindrops Are Mathematically Impossible

    1,241 views / 1 likes - added

    Rain shouldn't happen, according to basic physics. Click here to watch the MinuteEarth video about rain: https://www.youtube.com/watch?v=87v_9Bud7vw This video supported by Audible.com/minutephysics Thanks to the following Subbable subscribers for making

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  • 03:14 Popular Feed Me: Classifying Organisms - Crash Course Kids #1.2

    Feed Me: Classifying Organisms - Crash Course Kids #1.2

    1,012 views / 5 likes - added

    FEED ME! In this episode of Crash Course Kids, Sabrina has a chat with us about what living things eat to get energy. What makes something an omnivore, or a carnivore, or an herbivore? And how do plants fit in to all of this? This first series is based on

  • 02:56 Popular Gotta Eat! - Crash Course Kids 1.1

    Gotta Eat! - Crash Course Kids 1.1

    881 views / 2 likes - added

    Welcome to Crash Course Kids. In this first episode, Sabrina takes a look at why all living things need to eat. Plus, she shows you a way to investigate why all living things need to eat. This first series is based on 5th grade science. We're super excite

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  • 01:46 Sesame Street: Bert And Ernie Grow A Flower

    Sesame Street: Bert And Ernie Grow A Flower

    453 views / 0 likes - added

    What does a flower need to grow? Bert and Ernie have some ideas. A flower needs lots of water, and plenty of sunlight. Does it need anything else? A friend? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=S

  • 11:41 The Oort Cloud: Crash Course Astronomy #22

    The Oort Cloud: Crash Course Astronomy #22

    454 views / 0 likes - added

    Now that we’re done with the planets, asteroid belt, and comets, we’re heading to the outskirts of the solar system. Out past Neptune are vast reservoirs of icy bodies that can become comets if they get poked into the inner solar system. The Kuiper Belt i

  • 03:09 How Do Greenhouse Gases Actually Work?

    How Do Greenhouse Gases Actually Work?

    555 views / 0 likes - added

    Thanks to Kurz Gesagt for illustrating this video! http://www.youtube.com/kurzgesagt And for composing the music!: https://soundcloud.com/epicmountain/minute-earth Thanks also to our Patreon patrons: - AshrafDude - Nasser Hamed Alminji - Jeff Straathof -

  • 03:57 How Do Bikes Stay Up?

    How Do Bikes Stay Up?

    595 views / 1 likes - added

    Thanks to littlebits.com for sponsoring this video – use promo code MinutePhysics for $20 off A HUGE thanks to Wren Weichman (@wrenthereaper) for helping with the 3D bike animation, Michael Aranda for drone photography, Pavel for dowsing and Melissa

  • 1:22:10 Popular Itsy Bitsy Spider, Incy Wincy Spider & More | 80 Mins Nursery Rhyme Compilation | Baby Kids Songs

    Itsy Bitsy Spider, Incy Wincy Spider & More | 80 Mins Nursery Rhyme Compilation | Baby Kids Songs

    893 views / 0 likes - added

    Kids Can Relax with 80 Minutes of Children's Nursery Rhymes with an Itsy Bitsy Theme. This Mix Blends Classics like "Wheels on the Bus" & "Old MacDonald" with our Busy Beavers Educational Songs & Lessons. Itsy Bitsy Spider (Busy Beavers) 0:08 Spider Finge

  • 06:55 Beatboxing In Slow Motion - Smarter Every Day 109

    Beatboxing In Slow Motion - Smarter Every Day 109

    616 views / 2 likes - added

    Tweet this video: http://bit.ly/SlowMoBeatboxing Post to Facebook: http://bit.ly/SlowMoBeatbox Click to View Flula's SlowMo Video: http://bit.ly/FlulaLips ⇊⇊⇊ More info: ⇊⇊⇊ My favorite Flula Video: http://bit.ly/FLULACars It's pretty clear to me that Flu

  • 01:39 Popular The Power Of Sunsets

    The Power Of Sunsets

    995 views / 3 likes - added

    "Attention, if sudden and close, graduates into surprise; and this into astonishment; and this into stupefied amazement." - Darwin Join Jason Silva every week as he freestyles his way into the complex systems of society, technology and human existence and

  • 03:26 “Hey Bill Nye, What’s Science Good For Outside Of School?” #tuesdayswithbill

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

    529 views / 0 likes - added

    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

  • 02:16 Popular Why Do Things Fade In The Sun?

    Why Do Things Fade In The Sun?

    726 views / 1 likes - added

    Have you ever noticed that sunlight makes colors fade? Join Quick Questions as we explore why that happens. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Chr

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  • 11:48 Who Owns The Moon?

    Who Owns The Moon?

    636 views / 0 likes - added

    ***NOTE*** This video was originally uploaded in 2013 but has been unavailable for more than a year! Basically, a channel I shouted-out in the first version asked to be removed. That's okay! Now, in a slightly re-edited version, the video is back! And spa

  • 07:21 Popular The Solar System -- Our Home In Space

    The Solar System -- Our Home In Space

    769 views / 0 likes - added

    An Infographic trip through the wonders of the solar system. The solar system - well known from countless documentaries. 3D animation on black background. This infographic videos tries something different. Animated infographics and a focus on minimalistic

  • 11:48 How Evolution Works

    How Evolution Works

    620 views / 0 likes - added

    The mechanisms of evolution explained in one video. The theory of evolution explains how the enormous variety of life could come into existence. How it is possible for primitive life forms to spawn the millions of different creatures, that exist today. Un

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  • 03:06 Sesame Street: Count To Nine With The Count

    Sesame Street: Count To Nine With The Count

    412 views / 0 likes - added

    Number nine, you're so divine. You will make the sun shine. Can you count up to nine? 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 the afternoo

  • 02:34 What Causes Sunburns?

    What Causes Sunburns?

    395 views / 0 likes - added

    Why does too much sun turn some people’s skin all red and shiny? Quick Questions explains! ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, John Szymakowski

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  • 1:23:05 Popular Humpty Dumpty & More | Nursery Rhymes Collection | Itsy Bitsy, Finger Family Songs, Surprise Eggs

    Humpty Dumpty & More | Nursery Rhymes Collection | Itsy Bitsy, Finger Family Songs, Surprise Eggs

    767 views / 0 likes - added

    Lean Back & Enjoy 80 Mins of Cartoon Nursery Rhymes with Busy Beavers. Kids can Learn while Singing Along with Humpty Dumpty, Itsy Bitsy Spider, 5 Little Ducks I'm a Little Teapot & Lots More. Humpty Dumpty 0:08 Dolphin Finger Family (Surprise Eggs) 2:46

  • 09:34 Popular The Heart, Part 2 - Heart Throbs: Crash Course A&P #26

    The Heart, Part 2 - Heart Throbs: Crash Course A&P #26

    845 views / 1 likes - added

    Today we're talking the heart and heart throbs -- both literal and those of the televised variety. Hank explains how your heart’s pacemaker cells use leaky membranes to generate their own action potentials, and how the resulting electricity travels throug

  • 11:21 Distances: Crash Course Astronomy #25

    Distances: Crash Course Astronomy #25

    413 views / 2 likes - added

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

  • 03:09 How Does Iron Spark One Of The Most Violent Cosmic Events?

    How Does Iron Spark One Of The Most Violent Cosmic Events?

    444 views / 0 likes - added

    Stars are basically machines for turning lighter elements into heavier elements via the nuclear fusion reactions that take place in their cores. But at the very moment this fusion process creates iron, the star goes supernova and releases more energy in a

  • 01:47 Popular The Counterintuitive Physics Of Turning A Bike

    The Counterintuitive Physics Of Turning A Bike

    841 views / 2 likes - added

    Thanks to http://www.harrys.com for sponsoring this video – use offer code MinutePhysics for $5 off your first purchase A HUGE thanks to Michael Aranda for aerial and slow motion photography and Wren Weichman (@wrenthereaper) for helping with the 3D bike

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  • 04:00 How Sunglasses Work - Are They Damaging Your Eyes?

    How Sunglasses Work - Are They Damaging Your Eyes?

    369 views / 0 likes - added

    How do sunglasses actually work? How can some types cause damage to your eyes? And why do astronauts wear glasses made of gold? Kate explains all. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Too much light can be a bad thing, and our b

  • 04:33 Dying For Science -- Thought Glass #12

    Dying For Science -- Thought Glass #12

    448 views / 0 likes - added

    Thought Glass explores origins and behaviors while blending physical images with computer graphics. It is performed in one take. **** SOURCES AND LINKS **** Otto Lilienthal http://www.flyingmachines.org/lilthl.html http://www.lilienthal-museum.de/olma/eot

  • 03:32 MANGLED MIMES -- LÜT #51

    MANGLED MIMES -- LÜT #51

    411 views / 0 likes - added

    Follow on Instagram: https://instagram.com/kevlieber/ LÜT is a showcase of some of the coolest and weirdest things you can buy online. *** CLICK "SHOW MORE" FOR LINKS TO EVERYTHING *** Rocket Launcher Alarm Clock (0:00) http://www.amazon.com/Island-Dogs-R

  • 04:52 Is This The First Family Robot? -- Mind Blow #85

    Is This The First Family Robot? -- Mind Blow #85

    679 views / 1 likes - added

    TWITTER: https://twitter.com/VsauceTwo ***FLASHING LIGHTS WARNING STARTING AT 3:33**** *** Click "Show More" For Links To Everything *** Universal Blood Test For Cancer (0:00) http://www.bbc.com/news/health-28443865 http://www.fasebj.org/content/early/201

  • 02:06 Popular Puppy Love - Golden Retriever Puppies

    Puppy Love - Golden Retriever Puppies

    742 views / 7 likes - added

    Watch these little yellow balls of fur explore, play, and frollick in their backyard playground! Questions about these puppies? Contact Steve Brody: steve7777777@hotmail.com Subscribe to The Pet Collective: http://full.sc/HbM62v Facebook: http://www.faceb

  • 01:53 KITTEN MEETS HEDGEHOG

    KITTEN MEETS HEDGEHOG

    699 views / 5 likes - added

    Open for all of the FAQ's and details! Our hedgehog Harley plays with our FRIEND'S (not ours!) kitten Loki. Make sure to share this video on facebook/twitter/with your friends if you thought it was cute! What is this song called and who sings it? It is ca

  • 05:22 The Chicago Peregrine Program

    The Chicago Peregrine Program

    393 views / 0 likes - added

    By the 1960s the peregrine falcon (Falco peregrinus) was extinct in many states - including Illinois - because of the negative effects of the pesticide DDT. But, thanks to dedicated reintroduction and monitoring efforts over the last 30 years in part from

  • 10:41 Stars: Crash Course Astronomy #26

    Stars: Crash Course Astronomy #26

    436 views / 0 likes - added

    Today Phil’s explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a wealth of information about them including their luminosity, size, and temperature. The HR diagram plots stars’ luminosity

  • 03:18 Earth Has An Expiration Date

    Earth Has An Expiration Date

    423 views / 0 likes - added

    The sun has been growing hotter ever since its birth. Over time, the sun will also grow larger. This growth will eventually cause a cataclysmic greenhouse event as the Earth moves further out of the sun's habitable zone. Once this happens, oceans that hav

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  • 03:01 Why Winter Makes You SAD: Seasonal Affective Disorder Explained

    Why Winter Makes You SAD: Seasonal Affective Disorder Explained

    409 views / 0 likes - added

    Ever wondered what Seasonal Affective Disorder actually is? Or if it’s even a real thing? What causes it? Kate tackles sudden changes in hormones and light intensity in an attempt to explain why winter makes you SAD. Subscribe for more from Kate: http://b

  • 03:46 What Does Your Birthday Say About You? The Seasonal Birth Effect

    What Does Your Birthday Say About You? The Seasonal Birth Effect

    480 views / 0 likes - added

    Does the month you were born in determine whether you’re right handed, or a smoker, or short-sighted? No, we’re not talking astrology, but something called the seasonal birth effect. But can even that be trusted? Subscribe: http://bit.ly/RiSubscRibe The s

  • 08:30 A Brief History Of Everything, Feat. Neil DeGrasse Tyson

    A Brief History Of Everything, Feat. Neil DeGrasse Tyson

    531 views / 0 likes - added

    This video brought to you by http://www.audible.com/minutephysics Thanks to Neil deGrasse Tyson for his amazing writing and narration! Music: "The Firebird Suite" by Igor Stravinsky, performed by the USAF Band, licensed from Naxos of America, Inc. for wor

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  • 03:37 Popular How Tsunamis Work - Alex Gendler

    How Tsunamis Work - Alex Gendler

    1,718 views / 17 likes - added

    View full lesson: http://ed.ted.com/lessons/how-tsunamis-work-alex-gendler The immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mph -- a treacherous combination for anyone or anything in its path. Alex Gendler details the causes

  • 02:09 Popular Welcome To Snake Island | Brazil

    Welcome To Snake Island | Brazil

    880 views / 4 likes - added

    Birds seeking shelter from the rain encounter even a bigger problem when they land on snake island! BRAZIL AIRS SUNDAY JULY 19 at 9/8c.

  • 01:31 Bugs Light The Night | Brazil

    Bugs Light The Night | Brazil

    409 views / 1 likes - added

    Glow worms take up residence on the many termite mounds that dot the landscape. BRAZIL AIRS SUNDAY JULY 19 at 9/8c.

  • 03:22 Amazingly Intelligent Monkeys | Brazil

    Amazingly Intelligent Monkeys | Brazil

    534 views / 2 likes - added

    Capuchin monkeys are remarkably smart animals that collect palm fruits and smash them open using an anvil or hammer-stone. BRAZIL AIRS SUNDAY JULY 19 at 9/8c.

  • 03:20 Why Do We Eat Spoiled Food?

    Why Do We Eat Spoiled Food?

    606 views / 1 likes - added

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

  • 05:10 Glow On: Crash Course Kids #20.2

    Glow On: Crash Course Kids #20.2

    656 views / 3 likes - added

    So, have you ever wondered why some stars are brighter than others? You might think it's because they're closer to us, but that's not the whole story? In this episode of Crash Course Kids, Sabrina chats about how stars glow and how astronomers judge their

  • 06:35 Seeing Stars: Crash Course Kids

    Seeing Stars: Crash Course Kids

    520 views / 0 likes - added

    ***Corrected with Images of Stars/planets*** So you know what a star is, right? Well, if you don't, you should. We've talked about that big one in the sky a few times: The Sun! But there are a lot of bright dots in the night sky and not all of them are st

  • 03:34 Popular Amazing Energy Facts To Blow Your Mind

    Amazing Energy Facts To Blow Your Mind

    731 views / 0 likes - added

    Here are some amazing facts about energy to shock your brain! Is Wind Energy Worth It? (VIDEO): http://youtu.be/Dzf9X7m8-9o SUBSCRIBE! http://bit.ly/10kWnZ7 Send us stuff! ASAPSCIENCE INC. P.O. BOX 93, Toronto P, TORONTO, ON, M5S2S6 Instagram and Twitter:

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  • 03:00 Schoolhouse Rock - 3 Is A Magic Number

    Schoolhouse Rock - 3 Is A Magic Number

    626 views / 1 likes - added

    Debuted in 1973; the pilot episode of the series. Was written and sung by Bob Dorough. It teaches about the number 3. This song was voted the 7th best song on the 30th anniversary edition. http://en.wikipedia.org/wiki/Three_Is_a_Magic_Number

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  • 03:01 Popular Schoolhouse Rock - Ready Or Not, Here I Come! (Fives)

    Schoolhouse Rock - Ready Or Not, Here I Come! (Fives)

    758 views / 1 likes - added

    Debuted in 1973. Was written and sung by Bob Dorough. It teaches about the multiplication of 5 through a game of hide and seek, in which the seeker counts by fives. This song was voted the 16th best song on the 30th anniversary edition.

  • 03:02 Schoolhouse Rock- Little Twelve Toes

    Schoolhouse Rock- Little Twelve Toes

    508 views / 0 likes - added

    1973. It teaches about the multiplication of 12 and briefly discusses the still-uncommon duodecimal system. Sung and written by Bob Dorough.

  • 03:01 Schoolhouse Rock- Mother Necessity

    Schoolhouse Rock- Mother Necessity

    574 views / 0 likes - added

    1977. This song teaches about the great American inventions, all depicted as being created as a result of a need for the inventors' mothers. This song was voted the 20th best song on the 30th anniversary edition. Sun by Bob Dorough, Blossom Dearie, Essra

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  • 03:01 Schoolhouse Rock- A Victim Of Gravity

    Schoolhouse Rock- A Victim Of Gravity

    642 views / 0 likes - added

    1978. This song teaches about the universal law of gravity and is performed by the Tokens in the style of 1950s doo-wop (an era made popular at the time by films such as Grease and TV series such as Happy Days). Sung by The Tokens. Written by Lynn Ahrens

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  • 03:02 Schoolhouse Rock- Do The Circulation

    Schoolhouse Rock- Do The Circulation

    526 views / 1 likes - added

    1979. This song teaches about our bodies circulatory system. Sung by Oshie Armstead, Mary Sue Barry, Maeretha Stewart. Written by Lynn Ahrens.

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  • 03:02 Schoolhouse Rock- The Four-Legged Zoo

    Schoolhouse Rock- The Four-Legged Zoo

    454 views / 0 likes - added

    1973. It teaches about the multiplication of 4. Sung and written by Bob Dorough.

  • 03:02 Schoolhouse Rock- The Body Machine

    Schoolhouse Rock- The Body Machine

    497 views / 0 likes - added

    1979. This song teaches about our bodies needs. Sung by Bob Dorough, Jack Sheldon. Written by Lynn Ahrens.

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  • 03:03 Schoolhouse Rock- Naughty Number Nine

    Schoolhouse Rock- Naughty Number Nine

    624 views / 0 likes - added

    1973. It teaches about the multiplication of 9. The song describes a large anthropomorphic feline pool hustler (possibly inspired by Minnesota Fats). Despite the blatant tobacco-smoking reference in which "Number Nine" puffs a cigar, the song never receiv

  • 03:02 Popular Schoolhouse Rock- Dollars And Sense

    Schoolhouse Rock- Dollars And Sense

    958 views / 0 likes - added

    1994. This song teaches about how your money that you deposit in a bank earns interest or the money you borrow gains interest. The song is performed as a country music song, a genre that was enjoying a popular renaissance at the time. This song was voted

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  • 03:03 Popular Schoolhouse Rock - 7.50 Once A Week

    Schoolhouse Rock - 7.50 Once A Week

    786 views / 1 likes - added

    Debuted in 1995. It was written and sung by Dave Frishberg. This song teaches about budgeting your money. This song teaches about the expenses people encounter and ways to save money, by showing how a kid with a $7.50 allowance spent all of it far quicker

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  • 03:06 Schoolhouse Rock -Lucky Seven Samson

    Schoolhouse Rock -Lucky Seven Samson

    586 views / 1 likes - added

    Debuted in 1973. Was written and sung by Bob Dorough. Samson is a lucky rabbit with the number 7 stamped on his foot. It teaches about the multiplication of 7.

  • 04:26 Everything Revolves Around You: Crash Course Kids #22.1

    Everything Revolves Around You: Crash Course Kids #22.1

    685 views / 1 likes - added

    So, why doesn't the moon just crash into the Earth? And why doesn't the Earth crash into the Sun? What are orbits exactly and why do they happen? Well, it has to do with gravity and velocity. In this episode of Crash Course Kids, Sabrina talks to us about

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  • 04:37 Banding Baby Dinosaurs

    Banding Baby Dinosaurs

    476 views / 0 likes - added

    BABY DINOSAURS IN THE CITY!... and we've been studying them for years! We talked with Field Museum ornithologist Josh Engel about how scientists gather information and take risks while monitoring these impressive aerial predators. By the 1960s the peregri

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  • 11:06 Brown Dwarfs: Crash Course Astronomy #28

    Brown Dwarfs: Crash Course Astronomy #28

    444 views / 0 likes - added

    While Jupiter is nowhere near massive enough to initiate fusion in its core, there are even more massive objects out there that fall just short of that achievement as well called brown dwarfs. Brown dwarfs, have a mass that places them between giant plane

  • 10:04 The Hydrologic And Carbon Cycles: Always Recycle! - Crash Course Ecology #8

    The Hydrologic And Carbon Cycles: Always Recycle! - Crash Course Ecology #8

    583 views / 0 likes - added

    Hank introduces us to biogeochemical cycles by describing his two favorites: carbon and water. The hydrologic cycle describes how water moves on, above, and below the surface of the Earth, driven by energy supplied by the sun and wind. The carbon cycle do

  • 12:03 Low Mass Stars: Crash Course Astronomy #29

    Low Mass Stars: Crash Course Astronomy #29

    453 views / 0 likes - added

    Today we are talking about the life -- and death -- of stars. Low mass stars live a long time, fusing all their hydrogen into helium over a trillion years. More massive stars like the Sun live shorter lives. They fuse hydrogen into helium, and eventually

  • 02:54 Tunneling With A Mechanical Worm On Steroids

    Tunneling With A Mechanical Worm On Steroids

    468 views / 0 likes - added

    Mexico City was founded on an unstable lake bed at the bottom of a volcanic crater. The soil is so soft that the city has sunk thirty feet in the last century alone. Blasting to create tunnels would topple buildings, so the government turned to giant tunn

  • 03:29 Saved By The Heliosphere

    Saved By The Heliosphere

    353 views / 0 likes - added

    The sun's power reaches far beyond our solar system. Solar winds blow into the Kuiper Belt creating a giant bubble around our solar system protecting us from deadly cosmic rays. | http://science.discovery.com/tv-shows/how-the-universe-works/ Catch new epi

  • 11:10 White Dwarfs & Planetary Nebulae: Crash Course Astronomy #30

    White Dwarfs & Planetary Nebulae: Crash Course Astronomy #30

    339 views / 0 likes - added

    Today Phil follows up last week’s look at the death of low mass stars with what comes next: a white dwarf. White dwarfs are incredibly hot and dense objects roughly the size of Earth. They also can form planetary nebulae: huge, intricately detailed object

  • 02:51 Sesame Street: Grover Wants To Travel

    Sesame Street: Grover Wants To Travel

    504 views / 0 likes - added

    Someday, somehow, someway Grover will make it to South America. Grover has always wanted to go to South America, but he is a waiter at the airport. He looks at the map all day and wonders about what adventures he might have in wonderful, warm, and sunny S

  • 04:04 The Dangers Of The Sun - Wonders Of Life W/ Prof Brian Cox - BBC

    The Dangers Of The Sun - Wonders Of Life W/ Prof Brian Cox - BBC

    613 views / 0 likes - added

    Professor Brian Cox ventures on one of the great railway journeys of the world to study the UV rays from the sun. Taken from Wonders of Life. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add_user=BBCEarth BBC Earth YouTube Channel: h

  • 05:05 Fable : Goldilocks And The Three Bear's House

    Fable : Goldilocks And The Three Bear's House

    486 views / 1 likes - added

    Join Goldilocks in this new take on a beloved classic as she gets carried away in the three bears’ cottage. What do you think the three bears will do when they find the girl who’s eaten their porridge, sat in their chairs, and fell asleep in the bed that’

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

    The Most Astounding Fact - Neil deGrasse Tyson

    599 views / 0 likes - added

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

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  • 04:12 Night Plays A Game Of Hide And Seek With His Sister, Day, And Explores Space.

    Night Plays A Game Of Hide And Seek With His Sister, Day, And Explores Space.

    603 views / 0 likes - added

    Subscribe for more free songs and stories: http://www.youtube.com/subscription_center?add_user=speakaboos Night can’t wait to play a game of hide and seek with his sister, Day. When sunset arrives, he is so excited to play. He throws the moon into place a

  • 04:52 Where Is Scandinavia?

    Where Is Scandinavia?

    464 views / 0 likes - added

    Sponsored by: http://www.squarespace.com/grey CGP Grey Email: http://www.cgpgrey.com/email Discuss: https://www.reddit.com/r/CGPGrey/comments/30976f/where_is_scandinavia/ http://commons.wikimedia.org/wiki/File:Arch_Enemy_01.jpg Thank you to my patrons: Ol

  • 01:10 Unleash The Hammer Claws! | Wonderfully Weird

    Unleash The Hammer Claws! | Wonderfully Weird

    358 views / 0 likes - added

    The mantis shrimp unloads the ace up his sleeve: hammer claws and these spring-loaded clubs strike 50 times faster than we can blink. WONDERFULLY WEIRD AIRS SUNDAY SEPTEMBER 13 at 9:30/8:30c.

  • 04:00 An Orchid’s Trap | Wings Of Life

    An Orchid’s Trap | Wings Of Life

    471 views / 0 likes - added

    A bee finds himself trapped by the alluring scent of an orchid. WINGS OF LIFE AIRS SUNDAY SEPTEMBER 13 at 8/7c.

  • 04:42 What Happens To Your Body When You're Dehydrated?

    What Happens To Your Body When You're Dehydrated?

    560 views / 1 likes - added

    If you've ever worked for awhile in the beating sun, you might know what it feels like to be dehydrated. What's going on inside your body? Read More: How Much Water Do People Drink? http://www.theatlantic.com/health/archive/2013/03/how-much-water-do-peopl

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  • 03:49 What Is Homeopathy And Is It Real Science?

    What Is Homeopathy And Is It Real Science?

    292 views / 0 likes - added

    Homeopathy is practiced as a form of alternative medicine in many parts of the world. What does science have to say about it? Read More: Homeopathy is 'dangerous and wasteful,' bioethics expert argues http://www.sciencedaily.com/releases/2011/05/110509065

  • 12:17 High Mass Stars: Crash Course Astronomy #31

    High Mass Stars: Crash Course Astronomy #31

    458 views / 0 likes - added

    Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge swarm of neutrinos,

  • 05:19 Paralyzed Man Walks Again -- Mind Blow #98

    Paralyzed Man Walks Again -- Mind Blow #98

    643 views / 0 likes - added

    Mind Blow features the latest news in science, technology and amazing! **** SOURCES AND LINKS *** Brazilian Wasp Venom Kills Cancer Cells (0:00) http://phys.org/news/2015-09-brazilian-wasp-venom-cancer-cells.html Hedgehog Comet-Exploring Robot (0:06) http

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  • 06:10 How Fast Are You Moving Right Now? - Tucker Hiatt

    How Fast Are You Moving Right Now? - Tucker Hiatt

    369 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-fast-are-you-moving-right-now-tucker-hiatt "How fast are you moving?" seems like an easy question, but it's actually quite complicated -- and perhaps best answered by another question: "Relative to what?" Ev

  • 04:48 Las Vegas Isn't Las Vegas

    Las Vegas Isn't Las Vegas

    442 views / 0 likes - added

    You aren't visiting the place you think you are. Thanks to audible for supporting the show: www.audible.com/grey Thank you to my Patrons: Thomas J Miller Jr MD, Andres Villacres, Joe Pantry, Nik Nilsson, Robert Kunz, Daniel Slater, Xibixi , Sean Maguire,

  • 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

    1,824 views / 15 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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  • 03:47 Can Your Entire House Run On Batteries?

    Can Your Entire House Run On Batteries?

    464 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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  • 05:56 How One Teenager Unearthed Baseball's Untold History - Cam Perron

    How One Teenager Unearthed Baseball's Untold History - Cam Perron

    504 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-one-teenager-unearthed-baseball-s-untold-history-cam-perron Teenager Cam Perron loved baseball, so he began writing letters to the veteran players on his baseball cards. He only wanted autographs, but eventu

  • 12:57 Neutron Stars: Crash Course Astronomy #32

    Neutron Stars: Crash Course Astronomy #32

    579 views / 1 likes - added

    In the aftermath of a 8 – 20 solar mass star’s demise we find a weird little object known as a neutron star. Neutrons stars are incredibly dense, spin rapidly, and have very strong magnetic fields. Some of them we see as pulsars, flashing in brightness as

  • 12:01 Binary And Multiple Stars: Crash Course Astronomy #34

    Binary And Multiple Stars: Crash Course Astronomy #34

    525 views / 0 likes - added

    Double stars are stars that appear to be near each other in the sky, but if they’re gravitationally bound together we call them binary stars. Many stars are actually part of binary or multiple systems. If they are close enough together they can actually t

  • 12:26 Black Holes: Crash Course Astronomy #33

    Black Holes: Crash Course Astronomy #33

    662 views / 3 likes - added

    We’ve covered a lot of incredible stuff, but this week we’re talking about the weirdest objects in space: BLACK HOLES. Stellar mass black holes form when a very massive star dies, and its core collapses. The core has to be more than about 2.8 times the Su

  • 07:31 Deficits & Debts: Crash Course Economics #9

    Deficits & Debts: Crash Course Economics #9

    535 views / 0 likes - added

    What is debt? What is a deficit? And do these things have different outcomes for individuals and nations? Adriene and Jacob answer all these questions and more on this week's Crash Course Econ. Deficit and debt are easy to misunderstand, but luckily, they

  • 03:58 Popular Solar Eclipse | The Dr. Binocs Show | Learn Series For Kids

    Solar Eclipse | The Dr. Binocs Show | Learn Series For Kids

    879 views / 2 likes - added

    Learn about Solar Eclipse with Dr. Binocs. Hey kids, have you ever heard about an eclipse? Do you know where the sun hides during an eclipse and what is it called? Join Dr. Binocs as he tells you more about the Solar Eclipse. Share on Facebook - https://g

  • 04:57 Birth Of A Nickname - John McWhorter

    Birth Of A Nickname - John McWhorter

    400 views / 2 likes - added

    View full lesson: http://ed.ted.com/lessons/birth-of-a-nickname-john-mcwhorter Where do nicknames come from? Why are Ellens called Nellie and Edwards Ned? It's all a big misunderstanding from the early days of the English language, a misunderstanding that

  • 03:45 Popular Constellations: Connect The Dots In The Sky!

    Constellations: Connect The Dots In The Sky!

    812 views / 3 likes - added

    For a long time, people have seen pictures among the stars -- just like connect the dots! Learn all about constellations, including someone of the easiest ones to spot, and what some people thought they looked like. ---------- Like SciShow? Want to help s

  • 03:15 Take A Tour Of The Space Station

    Take A Tour Of The Space Station

    421 views / 0 likes - added

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

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

    Star Clusters: Crash Course Astronomy #35

    353 views / 0 likes - added

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

  • 02:42 Watch "A Whole New World" sung live by Brad Kane and Lea Salonga

    Watch "A Whole New World" sung live by Brad Kane and Lea Salonga

    494 views / 2 likes - added

    Brad Kane and Lea Salonga sing Aladdin's "Whole New World" classic live as they celebrate Aladdin's 23 year old anniversary. One of the greatest Disney songs of all time. Brad and Lea were the original singers of this wonderful song.

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  • 01:23 Sun Sensitive Fabric - Sick Science! #198

    Sun Sensitive Fabric - Sick Science! #198

    642 views / 0 likes - added

    See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/sun-sensitive-fabric Photographic paper has long been a popular warm weather activity for kids and adults, but did you know that you can use fabric, too? With Sun Sensitive

  • 01:11 Mystery Balloon Pop - Sick Science! #190

    Mystery Balloon Pop - Sick Science! #190

    595 views / 0 likes - added

    One balloon is blown up inside of another when you use a magnifying glass to focus light onto their surfaces. You expect the balloons to pop, but only the balloon on the inside bursts. What's going on here? The Mystery Balloon Pop is a tremendous lesson i

  • 05:02 Why Do We Have To Wear Sunscreen? - Kevin P. Boyd

    Why Do We Have To Wear Sunscreen? - Kevin P. Boyd

    381 views / 1 likes - added

    View full lesson: http://ed.ted.com/lessons/why-do-we-have-to-wear-sunscreen-kevin-p-boyd You already know that a trip to the beach can give you a nasty sunburn, but the nitty gritty of sun safety is actually much more complex. Wrinkle-causing UVA rays an

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

    Tour The Solar System From Home - Jon Nguyen

    481 views / 1 likes - added

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

  • 04:59 Popular Super Stars (Constellations): Crash Course Kids #31.1

    Super Stars (Constellations): Crash Course Kids #31.1

    844 views / 0 likes - added

    So, you know about stars. But what if those stars formed a super group like The Avengers? Well, then you have a Constellation! In this episode of Crash Course Kids, Sabrina chats about stars, constellations, and how humans have used constellations to tell

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  • 04:21 Is 3D Audio The Future Of Listening?

    Is 3D Audio The Future Of Listening?

    613 views / 1 likes - added

    With virtual reality on the rise, engineers are looking for ways to improve audio to match the images you see. How does 3D audio work? This is Your Brain On VR ►►►► http://dne.ws/1OxYb6W DNews Live Tickets Here ►►►► http://dne.ws/1Fa2OCh Read More: Surrou

  • 04:10 What Is An Aurora? - Michael Molina

    What Is An Aurora? - Michael Molina

    445 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-epic-solar-winds-make-brilliant-polar-lights-michael-molina Why do we see those stunning lights in the northern- and southernmost portions of the night sky? The Aurora Borealis and Aurora Australis occur whe

  • 04:03 Crazy Pool Vortex

    Crazy Pool Vortex

    419 views / 0 likes - added

    This unique phenomenon can be easily reproduced in a pool on a sunny day. Subscribe - http://www.youtube.com/subscription_center?add_user=physicswoman Instagram: http://instagram.com/thephysicsgirl Twitter: http://www.physicsgirl.org/twitter Facebook: htt

  • 04:39 What Is Light?

    What Is Light?

    648 views / 0 likes - added

    We are so used to some things that we stopped wondering about them. Like light. What is light? Some kind of wavy thing, right? Kind of. Short bonus video for the people waiting for new stuff. Music by: https://soundcloud.com/epicmountain/light https://epi

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  • 03:49 Constellation Location: Crash Course Kids #31.2

    Constellation Location: Crash Course Kids #31.2

    650 views / 2 likes - added

    Let's say you're looking for a specific constellation in the sky, but can't find it? That could be because you're on the wrong part of the planet to see it. In this episode of Crash Course Kids, Sabrina talks about how the Earth's rotation and axis can af

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  • 01:14 Can Namib Desert Beetles Help Us Solve Our Drought Problems? | Think Like A Tree

    Can Namib Desert Beetles Help Us Solve Our Drought Problems? | Think Like A Tree

    692 views / 1 likes - added

    Namib desert beetles live in an area with little ground water, so how is it that they have no trouble finding H2O? Find out how the resourceful insects use their wing scales to absorb water droplets from fog, and how we can use them as a model for combati

  • 01:17 How Coral Reefs And Carbon Dioxide Can Change The Future | Think Like A Tree

    How Coral Reefs And Carbon Dioxide Can Change The Future | Think Like A Tree

    565 views / 3 likes - added

    Most people think of carbon dioxide as a poison, but in nature it’s a building block. Find out how we can imitate coral reef by using CO2 as a raw material for the creation of concrete. SUBSCRIBE for more videos: http://wrd.cm/15fP7B7 Still haven’t subscr

  • 01:25 Popular Using Shark Skin To Fight Against Bacteria | Think Like A Tree

    Using Shark Skin To Fight Against Bacteria | Think Like A Tree

    984 views / 5 likes - added

    Scientists are looking to an unlikely source for new ways to fight bacteria. Could the skin of a Galapagos shark hold the key to warding off hospital-born bacteria and superbugs? SUBSCRIBE for more videos: http://wrd.cm/15fP7B7 Still haven’t subscribed to

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  • 01:32 Using Live Oak Trees As A Blueprint For Surviving Hurricanes | Think Like A Tree

    Using Live Oak Trees As A Blueprint For Surviving Hurricanes | Think Like A Tree

    671 views / 2 likes - added

    With sturdy, spiral trunks and deep roots that intertwine with neighboring trees, a live oak is a force to be reckoned with. Find out how architects and engineers are starting to think like a tree when designing safe and resilient structures. SUBSCRIBE fo

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  • 03:31 Is Space Trying To Kill Us? - Ron Shaneyfelt

    Is Space Trying To Kill Us? - Ron Shaneyfelt

    426 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/is-space-trying-to-kill-us-ron-shaneyfelt How likely is it that a massive asteroid will do major damage to Earth and its inhabitants? What about the sun -- is it dying out anytime soon? And the supermassive blac


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