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Hank talks about the issues of rising global population.

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Hank tells us about the awesomeness of the periodic table and the genius of the man who invented it.

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One of the most important lessons I've ever learned is that it's OK to not have an opinion when you do not have enough information.

Whether the d...

One of the most important lessons I've ever learned is that it's OK to not have an opinion when you do not have enough information.

Whether the d...

In which Hank discusses NASA's new Space Launch System (SLS) and the Orion space vehicle, which are (unlike the space shuttle) designed exclusively...

Wherein we travel to the edge of the universe with Hank and John Green of VlogBrothers.

VlogBrothers:

http://www.youtube.com/vlog...

Filmed,...

John and Hank sing 500 Miles together :) :)

Music video by Beck performing Loser. (C) 1993 Geffen Records

In which John Green provides some historical context to the current civil war in Syria, discussing Syrian independence, the rise of the Ba'ath Part...

Hank describes why plants are so freaking amazing - discussing their evolution, and how their cells are both similar to & different from animal cel...

Wherein we travel to the edge of the universe with Hank and John Green of VlogBrothers.

VlogBrothers:

http://www.youtube.com/vlog...

Filmed,...

Michael Aranda (http://www.youtube.com/michae­laranda) recently moved to Missoula to help with the production of SciShow and Crashcourse.

I was at...

Bo gives us some fun snippets of other songs and then launches into his 11th song "I'm Bo Yo" which turns out to be a super long and crazy extended...

Hank gets to the bottom of this "faster-than-the-speed-of-ligh­t-neutrino" kerfuffle, discusses some ancient stuff, and announces the winner of the ...

Hank tells us four incredible things about Jupiter's sixth moon, Europa.

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YouTube for Schools lets schools access free educational YouTube videos while limiting access to other YouTube content. Students can learn from mor...

Are you a brainiac? Join Professor Koval and his star pupil Olivia on a five question journey to see if you have what it takes to be a YouTube EDU ...

Artist: Dimrain47

Song: Operation Evolution

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Fairest One Of All by The Spin Room off of The Dreams We Keep EP

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Learn how to romance a girl with one semester of spanish put to a catchy song.

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Watch Selena Tattoo & Zac Condom !http://youtu.be/Zu2gKwq6jOc

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Watch New Vlog! http://youtu.be/zvTrAwlA75Q

Oscars Recap! http://youtu.be/fY1YL8WoK94

Secret Video! http://youtu.be/BZtk5UtcqU4

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Leap Day's got nothing on the Leap SECOND! Hank explains why a second is being added to 2012 and why some are upset about it.

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In which John discusses cooties, cuties, whales, Moby Dick, and fish while visiting an aquarium. He also talks about things that are both fun and h...

Hank reveals why our love affair with the rare earth elements has a dark side.

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Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane.

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Hank tells us some of the surprising things that could be causing or contributing to the obesity epidemic.

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