In this passionate talk, legendary spacecraft designer Burt Rutan lambasts the US government-funded space program for stagnating and asks entrepreneurs to pick up where NASA has left off.

There are millions of prodigiously gifted musicians of disability around the world, and Charles Hazlewood is determined to give them a platform. Watch the debut performance of the British Paraorchestra.

When Richard J. Berry, the mayor of Albuquerque, saw a man on a street corner holding a cardboard sign that read "Want a job," he decided to take him (and others in his situation) up on it. He and his staff started a citywide initiative...

In this episode, Michael attempts to stump Hank and then they meet Kemo and Jessi from Animal Wonders.

We've been trying to understand Mars for years, but some scientists think that ancient craters on earth might hold some answers to our red neighbor's history.

Since their emergence over 200,000 years ago, modern humans have established communities all over the planet. But they didn't do it alone. Whatever corner of the globe you find humans in today, you're likely to find another species as...

What exactly are Personality Disorders? How can they be diagnosed? Can we prevent some of them? In this episode of Crash Course Psychology, Hank gives us the down low on things like Ego-Dystonic and Ego-Syntonic Disorders,...

The Ancient Egyptian king Thutmose III described the chicken as a marvelous foreign bird that "gives birth daily." Romans brought them on their military campaigns to foretell the success of future battles. Today, this bird occupies a...

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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You think you love music? You have nothing on the Ancient Greek obsession. Every aspect of Greek life was punctuated by song: history, poetry, theater, sports and even astronomy. In fact, music was so important to Greek philosopher Plato...

Elizabeth Gilbert muses on the impossible things we expect from artists and geniuses -- and shares the radical idea that, instead of the rare person "being" a genius, all of us "have" a genius. It's a funny, personal and surprisingly...

The world is full of leadership programs, but the best way to learn how to lead might be right under your nose. In this clear, candid talk, Roselinde Torres describes 25 years observing truly great leaders at work, and shares the three...

Conventional wisdom says that to win an election, you need to play to your constituencies' basest, most divisive instincts. But as a candidate for mayor of Tulsa, Oklahoma, G.T. Bynum decided to skip the smear campaigns, tell voters what...

We’ll each have at least $100,000 more in our piggy banks, on average, if we stop climate change than if we don’t.

Today on the SciShow talk show, Emily fails to stump Hank with a new animal skull, and then Jessi from Animal Wonders shares Lokita the Chinese water dragon.

Hank pays tribute to Carl Sagan, noting his accomplishment as an astronomer and his contributions to culture -- both pop and otherwise -- as one of the great popularizers of science. Happy Carl Sagan Day!

In which John Green teaches you about the Industrial Economy that arose in the United States after the Civil War. You know how when you're studying history, and you're reading along and everything seems safely in the past, and then BOOM...

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

Hank introduces us to the brilliant and heartless Fritz Haber, a great mind who is considered "the father chemical warfare," but who also made discoveries and innovations that helped lead to the Green Revolution which is credited with...

There's an organism that changed the world. It caused the first mass extinction in Earth's history and also paved the way for complex life. How? Anusuya Willis explains how cyanobacteria, simple organisms that don't even have nuclei or...

Land thrives in Indigenous hands, and there are real, tangible ways you can help return what was stolen by colonizers from tribes across North America. Indigenous scholar Lindsey Schneider addresses the ill-gotten legacy of settler...

In December 1910, the exiled former leader Manuel Bonilla boarded a borrowed yacht and set sail for Honduras in hopes of reclaiming power by whatever means necessary. Bonilla had a powerful backer: the notorious organization known...

Jessi has a special guest today who is an expert on the night sky! Join Jessi and Sam the Bat to learn all about constellations, and to test your star knowledge by making flash cards!

Get to know Robert Goddard, one of the original rocket scientists!