Christopher McDougall explores the mysteries of the human desire to run. How did running help early humans survive -- and what urges from our ancient ancestors spur us on today? McDougall tells the story of the marathoner with a heart of...

It's Green vs. Green in this week's quiz show as Hank battles Katherine to see who takes home all the marriage points.

Have you ever wanted to make a painting but you've run out of paint? Learn how you can make your own watercolors with Jessi and Squeaks!

Last week, engineers announced two possible lunar habitats: a big pillowy space closet and lunar lava tubes.

In October, the first mission of the ExoMars program arrived at the Red Planet, and things didn't go exactly as planned. As NASA investigates the crash, the mystery unfolds.

With words like shards of glass, Chinaka Hodge cuts open 2016 and lets 12 months of violence, grief, fear, shame, courage and hope spill out in this original poem about a year none of us will soon forget.

Greg Gage is on a mission to make brain science accessible to all. In this fun, kind of creepy demo, the neuroscientist and TED Senior Fellow uses a simple, inexpensive DIY kit to take away the free will of an audience member. It's not a...

Teens don't get enough sleep, and it's not because of Snapchat, social lives or hormones -- it's because of public policy, says Wendy Troxel. Drawing from her experience as a sleep researcher, clinician and mother of a teenager, Troxel...

Greg Gage is on a mission to make brain science accessible to all. In this fun, kind of creepy demo, the neuroscientist and TED Senior Fellow uses a simple, inexpensive DIY kit to take away the free will of an audience member. It's not a...

If you had to walk a mile for a jug of water every day, as millions of people do, it's unlikely you'd use that precious water to bathe. Young entrepreneur Ludwick Marishane tells the amazing, funny story of how he invented a cheap, clean...

On Thursday, December 4th 2014, NASA will conduct the first test flight of its new deep space crew vehicle, going farther than any passenger vehicle has in over 40 years. Get ready to meet Orion!

We have all changed someone's life -- usually without even realizing it. In this funny talk, Drew Dudley calls on all of us to celebrate leadership as the everyday act of improving each other's lives.

Michael Aranda hosts SciShow's new Quiz Show! Hank and Reid have a battle of wits to win prizes for two lucky Subbable Subscribers!

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SciShow Quiz Show is back, with familiar faces Hank Green and Caitlin Hofmeister battling it out over questions on water, fire, and computer science!

We all use our body on a daily basis, and yet few of us think about our physicality the way Wayne McGregor does. He demonstrates how a choreographer communicates ideas to an audience, working with two dancers to build phrases of dance,...

This video is the first of a five part series on scientific inquiry. Supporting material can be found below.

Ric Elias had a front-row seat on Flight 1549, the plane that crash-landed in the Hudson River in New York in January 2009. What went through his mind as the doomed plane went down? At TED, he tells his story publicly for the first time.

We all want customized experiences and products -- but when faced with 700 options, consumers freeze up. With fascinating new research, Sheena Iyengar demonstrates how businesses (and others) can improve the experience of choosing.

Joe Hanson went behind the scenes at the Monterey Bay Aquarium to learn about jellyfish.

In this touching talk, Ash Beckham offers a fresh approach to empathy and openness. It starts with understanding that everyone, at some point in their life, has experienced hardship. The only way out, says Beckham, is to open the door...

Hot off the presses, this week has been cool! Researchers have discovered the first room-temperature superconductor, and another group has created a type of paint that actually stays cooler than the environment around it!

Virgin has an exciting new spaceship!

It's getting really cold where Jessi and Squeaks live, and that has her thinking about a super cool animal that's always ready for super cold weather: Reindeer!

Four-star general Stanley McChrystal shares what he learned about leadership over his decades in the military. How can you build a sense of shared purpose among people of many ages and skill sets? By listening and learning -- and...