621jacob's channel

KONY 2012 is a film and campaign by Invisible Children that aims to make Joseph Kony famous, not to celebrate him, but to raise support for his arr...

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

Hank talks about everyone's favorite squeaky-voice gas and why it's important for more than party balloons.

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Hank talks about the molecules that make up every living thing - carbohydrates, lipids, and proteins - and how we find them in our environment and ...

What other amazing properties of Wau can you think of? Leave them in the comments.

Hank breaks the news to you about your brain on football, the reality behind the latest moon-base plan, and an epic win -- and fail -- in the anima...

Hank tells us about the Mayan calendar & why December 21, 2012 will not be the end of the world.

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Inspired by CGP Grey's Misconception Debunking: http://www.youtube.com/watc...

In which John debunks various misconceptions involving ...

Plutonium powered robot car! With a laser gun! That's (kind of) what's hurtling through space right now as part of NASA Mars Science Laboratory hea...

In which John Green teaches you about the Indus Valley Civilization, one of the largest of the ancient civilizations. John teaches you the who, how...

Slower 60-degree angle, polygon-a-tron, and tetrahedron-a-tron: http://youtu.be/uniqFnmcllE

This is a follow-up from Being a Plant part 2: http://y...

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

Notes and References: http://youtu.be/POKWkuwoihM

Part 1: http://youtu.be/ahXIMUkSXX0

Part 2: http://youtu.be/lOIP_Z_-0Hs

How to find the Lucas Ang...

How to make snazzy-lookin' fractal equations using simple algebra.

For more abacabadabacaba: http://www.abacaba.org/

and http://books.google.com/b...

In which John Green investigates the dawn of human civilization. John looks into how people gave up hunting and gathering to become agriculturalist...

In which I get a great hotel on tour. The song is "A Song about Anglerfish" by Hank Green: http://dftba.com/product/vj......

LINKS TO BUY THESE THINGS:

@tweetsauce

matchbook wallet: http://ow.ly/8Dxvo

edible spray paint: http://www.the-deli-garage.......

Hank tells us about NASAs discovery of the 1st planet ever discovered to be orbiting a binary star.

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http://twitter.com/mattchew03

http://mattchew03.tumblr.com

John and Hank's show live from Raleigh. You can buy The Fault in Our Stars wherever books are sold or at amazon at http://dft.ba/-tfios

Hank responds to viewer questions, and explains what the Higgs boson particle actually IS.

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Hank explains why NASA and the European Space Agency are in love with tardigrades and how these extremophiles are helping us study the panspermia h...

In which John discusses The Fault in Our Stars, his new book, which is OUT NOW AT BOOKSTORES EVERYWHERE. (Also at like Target and Walmart and Kroge...

Hank explains the power of solar energy and describes how it may fit into our diversified energy future.

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Find out more about particle physics and the Standard Model!

Hank describes how non-Newtonian fluids can save lives - and dreams of a bulletproof hoodie.

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Lik...

Note: 26 Dec 11 - Spamming for charity has ended.

Project For Awesome! So much awesome I can't take it! Happy volunteering!

Here are the sites ...

Donate to Impacto Project: http://www.impactoproject.o...

Learn More About IMPACTO PROJECT: http://www.impactoproject.org

You can dona...

Check out the Child's Play charity website:

http://www.childsplaycharit...

The Project4Awesome website:

http://www.projectforawesom...

Second...

Read more about The K.I.N.D. Fund: http://tinyurl.com/2wq383t

Donate here: http://tinyurl.com/2alnomy

In which the Nerdwriter does his best to con...