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Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse…

Quick Questions explains how some bees can transform flower nectar into the liquid gold that you use to sweeten your tea. Hosted by: Hank Green ———- Li…

So what is the difference between you and a rock? This seems like an easy, even stupid question. But even the smartest people on earth have no idea where to …

This week, the truth about “biodegradable plastic,” and new insights into how global warming might eventually make winters colder. Hosted by: Hank Green ———- Like SciShow? Want to…

In which John Green recommends some of his favorite books to some of his favorite people (Crash Course fans, Whovians, Sherlockians, Harry Potter fans, Swood…

Visit http://richardwiseman.wordpress.com/ Music by http://www.youtube.com/user/ElectricUnicycleCrew.

In which John Green teaches you how Russia evolved from a loose amalgamation of medieval principalities known as the Kievan Rus into the thriving democracy w…

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…

10 Incredible Alien Planets From planets that have the most bling in the Universe to those that shouldn’t even exist, find out more in 10 incredible alien planets. Music= Spheres by Tom Quick…

What passes through a block of ice more quickly, copper wire or fishing line?

10 Worst Product Flops Hilarious, worrying and truly puzzling, these items should never have reached the shops, read more to find out about 10 worst product …

Having trouble sleeping? In this episode of SciShow, Hank explores different kinds of sleep disorders, from insomnia to apnea to sleepwalking. ———- A m…

11-year-old Brooke Raboutou is a rock climbing phenom who regularly breaks world records on elite bouldering and sport climbs once thought impossible for som…

10 Disturbing Unsolved Crimes Not all crimes see justice, even when they really should, read on for 10 disturbing unsolved crimes. Music = Backward Reality by Igor Dvorkin and Ellie Kidd”…

“10 Strangest Medical Conditions Toddlers with six packs and a man who can brew beer in his stomach, it can only be the 10 strangest medical conditions. Musi…