From the glorious crested guinea fowl to the adulterous African jacana to vultures that can pick a zebra carcass clean in 30 minutes, Washington Wachira wants us all to get to know the marvelous species of birds that share the planet...

Giles Duley gave up a life of glamour and celebrity as a fashion photographer to travel the world and document the stories of the forgotten and marginalized. While on assignment in Afghanistan he stepped on a landmine, a horrific event...

What is the world's favorite fossil? Why the orthoceras of course! Hank will tell why that is in this episode of SciShow. Find out how you can get your very own orthoceras fossil.

On sunny days, citizens of ancient Rome could be found exchanging news and gossip while attending to more urgent business at the public latrines. Today, most cultures consider trips to the restroom to be a more private occasion. But even...

Today's AI algorithms require tens of thousands of expensive medical images to detect a patient's disease. What if we could drastically reduce the amount of data needed to train an AI, making diagnoses low-cost and more effective? TED...

Around the world, hundreds of thousands of lost ancient sites lie buried and hidden from view. Satellite archaeologist Sarah Parcak is determined to find them before looters do. With the 2016 TED Prize, Parcak is building an online...

Hank introduces us to the framework of our bodies, our skeleton, which apart from being the support and protection for all our fleshy parts, is involved in many other vital processes that help our bodies to function properly.

There is a proof for Brouwer's Fixed Point Theorem that uses a bridge - or portal - between geometry and algebra.

Educator Roy Gould and researcher Curtis Wong show a sneak preview of Microsoft's WorldWide Telescope, which compiles images from telescopes and satellites to build a comprehensive, interactive view of our universe.

In Rajasthan, India, an extraordinary school teaches rural women and men -- many of them illiterate -- to become solar engineers, artisans, dentists and doctors in their own villages. It's called the Barefoot College, and its founder,...

Things are pretty shocking out there right now -- record-breaking storms, deadly terror attacks, thousands of migrants disappearing beneath the waves and openly supremacist movements rising. Are we responding with the urgency that these...

It's possible that the moon might have been able to support life billions of years ago, and scientists are using meteorites to learn about the history of our sun.

We've been hearing about self-driving cars for years, but autonomous vehicle entrepreneur Aicha Evans thinks we need to dream more daringly. In this exciting talk, she introduces us to robotaxis: fully autonomous, eco-friendly shuttles...

Our modern lifestyle and diet are leading to the extinction of parts of our microbiome, but we can use what we've learned from dealing with nearly-extinct macrobiota, like bald eagles, to understand the consequences and find solutions.

Today on the SciShow Talk Show, our Technical Director Nick Jenkins stumps Hank about how many frames per second the human eye can see, and Jessi from Animal Wonders shares Hara the Harris's hawk.

Around 500 Million years ago, Earth’s climate was warm, and the planet had nearly no ice, even at the poles. Then an asteroid broke apart deep in our solar system, and our planet plunged into an ice age at the same time. Are the two...

We learned how motion gives matter its mass, but how does motion affect time? Let's dive deeper into the true nature of matter and mass by exploring Einstein's photon clock thought experiment, and the phenomenon that is time dilation.

Researchers have discovered an underground, liquid water lake on Mars! What might it be like, and why did it take us so long to find it?

The ESA Hipparcos team worked for 20 years on the project, then had to watch as the mission ALMOST failed! But somehow, they turned it around, and today, this little-known mission has totally transformed what we know about space.

Biologist Robert Full studies the amazing gecko, with its supersticky feet and tenacious climbing skill. But high-speed footage reveals that the gecko's tail harbors perhaps the most surprising talents of all.

In this image-filled talk, Yann Arthus-Bertrand displays his three most recent projects on humanity and our habitat -- stunning aerial photographs in his series "The Earth From Above," personal interviews from around the globe featured...

In 2003, the Palestinian village of Budrus mounted a 10-month-long nonviolent protest to stop a barrier being built across their olive groves. Did you hear about it? Didn't think so. Brazilian filmmaker Julia Bacha asks why we only pay...

Wish you could vote in another country's election? Simon Anholt unveils the Global Vote, an online platform that lets anybody, anywhere in the world, "vote" in the election of any country on earth (with surprising results).

The Cassini probe is getting more dangerous assignments as its mission nears its end, and the sun's surface may be simpler than we once thought.