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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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Why do some years have an extra leap day and what is it for?

Also check out MinutePhysics' video: http://www.youtube.com/watc... & SciS...

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

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Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies.

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In which John covers the long, long history of ancient Egypt, including the Old, Middle and New Kingdoms, and even a couple of intermediate periods...

Hank answers some questions and responds to some concerns about his video on water. Watch that video here: http://www.youtube.com/watc......

Chad and Angie remember Whitney Houston

Legendary pop singer Whitney Houston was found dead Saturday at a Beverly Hills, California, hotel, offic...

And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orb...

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 ...

In which John relates a condensed history of India, post-Indus Valley Civilization. John explores Hinduism and the origins of Buddhism. He also get...

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

I was at...

Calling all gaming and tech junkies, do we have a Fix for you! Join Naomi Kyle and IGN as we look at some of the hottest news from CES 2012 and aro...

Check out the Gus Guevara T-Shirt! http://bit.ly/Am7Zed

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New Videos Every Tues, Thurs and Sunday!

Watch in 1080p! Screen Team Sunday!

ScreenTeam+

http://www.youtube.com/user...

ScreenTea...

Join Daemon Hatfield for your daily fix of the hottest gaming news! On today's episode, God of War 4 may be in the works, Epic Mickey 2 is rumored,...

Why do some years have an extra leap day and what is it for?

Also check out MinutePhysics' video: http://www.youtube.com/watc... & SciS...

Another year has gone by and I feel that 2012 will be much greater! I still have a few things to work out with the video format but this will have ...

LINKS:

Optic Science of Rainbows: http://www.atoptics.co.uk/b...

Wiki article: http://en.wikipedia.org/wik...

Flying through rainbow (...

Jack and Geoff are on vacation, so enjoy this collection of submissions to our AH Holidays contest! See you next year!

Website: http://www.dotacinema.com

stream: http://www.own3d.tv/dotacinema

T-shirts: http://dotacinema.spreadshi...

Twitter: http://www.twitter.c...

Check out our website at: http://bit.ly/tSH57K

Happy Holidays from your friends at Rooster Teeth.

LINKS:

Music courtesy of Jake Chudnow: http://www.soundcloud.com/J...

Brain Lateralization: http://en.wikipedia.org/wik......

http://www.youtube.com/watc...

Click here to see our Skyrim public pranks!

New Videos Every Tues, Thurs and Sunday!

Watch in 1080p! ...

Website: http://www.dotacinema.com

stream: http://www.own3d.tv/dotacinema

T-shirts: http://dotacinema.spreadshi...

Twitter: http://www.twitter.c...

ENJOY!

things you can Do Online Now, Guys. LINKS:

music by Jake Chudnow: http://soundcloud.com/jakec...

Minute Physics: http://www.youtube.com/minut...

Click to Tweet: http://clicktotweet.com/qf9h9

Click to Subscribe: http://bit.ly/t8L1DH

Fred Fleet broadcasts from the watch tower of the Titanic.

Prepare to be knocked on your ass by the most stunning video chess board you've ever seen in the game Pure Chess.

Get more Pure Chess at IGN:

http:...

Check out our new channel: http://youtube.com/RoosterT...

The song in the post-roll is available here: http://bit.ly/q1moxT

Joel gets a lit...

This was the day that US Congress met for the first time and John Lennon claimed The Beatles were more popular than Jesus.

Check out the Gus Guevara T-Shirt! http://bit.ly/Am7Zed

10 Biggest Recorded Earthquakes

They've caused death and destruction across the globe, these are the 10 biggest recorded earthquakes.

Music = Ram...

~~~~~~~~~~~ http://bigthink.com/ ~~~~~~~~~~~

What would you say to an alien? Big Think turned to Bill Nye, aka, 'The Science Guy,' who heads Th...

Learn more:

music by Jake Chudnow: http://www.soundcloud.com/J...

Great article about constant Deja vu: http://www.nytimes.com/2006......

http://www.youtube.com/watc...

Click here to watch Ten FTW - Top 10 Teambuilding Tips For BATTLEFIELD 3!

Ten FTW - Top 10 Silent Prota...

For more Game Fails visit http://www.youtube.com/game...

Got something funnier?

Submit your clips now at http://upload.roosterteeth.......

ENJOY!

Kara and Chris duke it out for the play-in spot in the Rooster Teeth Productions office tournament. Who will win and go on to face Jack in the fir...

WE ARE ON TWITTER NOW! @tweetsauce

Music at the end by Jake Chudnow: http://soundcloud.com/jakec...

Cow kiss illusion: http://www.moillusions....

It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?

Mr. G...

http://roosterteeth.com - Hail to the 1337. America needs a new leader for a new leaderboard. Like and favorite this video to make your vote count!...

Learn how to introduce yourself in Japanese in this how to learn Japanese video from Howcast.

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Howcast Main ...

Damon dusting the competition with ease!!

For more Game Fails visit http://www.youtube.com/game...

Got something funnier?

Submit your clips now at http://upload.roosterteeth.......

Batman isn't the only thing you should watch out for when walking the streets of the game Arkham City. Watch out for the sexy Catwoman.

Artist- D...