Megan Toenyes, a former SciShow videomaker returns for a showdown with her former employer!

From what we know about Titan, it seems like its atmosphere should have disappeared millions of years ago. So, why hasn’t it?

When Nicolas Bourbaki applied to the American Mathematical Society in the 1950s, he was already one of the most influential mathematicians of his time. He'd published articles in international journals and his textbooks were required...

MIT grad student Joy Buolamwini was working with facial analysis software when she noticed a problem: the software didn't detect her face -- because the people who coded the algorithm hadn't taught it to identify a broad range of skin...

Public libraries have always been about more than just books -- and their mission of community support has taken on new urgency during the current opioid epidemic. After witnessing overdoses at her library in Philadelphia, Chera Kowalski...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.

The use of deepfake technology to manipulate video and audio for malicious purposes -- whether it's to stoke...

The term "compassion" -- typically reserved for the saintly or the sappy -- has fallen out of touch with reality. At a special TEDPrize@UN, journalist Krista Tippett deconstructs the meaning of compassion through several moving stories,...

Eman Mohammed is one of the few female photojournalists in the Gaza Strip. Though openly shunned by many of her male colleagues, she is given unprecedented access to areas denied to men. In this short, visual talk, the TED Fellow...

Artist eric Dyer spent years working at a computer to produce images for the screen. Longing to get his hands back on his work, he began exploring the zoetrope, a popular 19th-century device that was used to create the illusion of motion...

How much do you get paid? How does it compare to the people you work with? You should know, and so should they, says management researcher David Burkus. In this talk, Burkus questions our cultural assumptions around keeping salaries...

The American space program wouldn't be what it is today if it weren't for the contributions of a scientist who was also a former Nazi. Learn about the life and work of rocket scientist Wernher von Braun.

Daniel Tammet has linguistic, numerical and visual synesthesia -- meaning that his perception of words, numbers and colors are woven together into a new way of perceiving and understanding the world. The author of "Born on a Blue Day,"...

What's the purpose of a company? In this bold talk, activist and filmmaker Abigail Disney imagines a world where companies have a moral obligation to place their workers above shareholders, calling on Disney (and all corporations) to...

The path to better food is paved with data, says entrepreneur Erin Baumgartner. Drawing from her experience running a farm-to-table business, she outlines her plan to help create a healthier, zero-waste food system that values the...

Life doesn't go from A to B -- it's messy, says sailing legend Tracy Edwards. In this inspiring talk, she tells how she went from teenage misfit to skipper of the first all-female crew in the toughest race on the seas -- and how she now...

Cave diver Jill Heinerth explores the hidden underground waterways coursing through our planet. Working with biologists, climatologists and archaeologists, Heinerth unravels the mysteries of the life-forms that inhabit some of the...

More and more kids are avoiding peanut butter due to life threatening allergies, but we could make it so that no kid goes without a PBJ

Besides abstaining from alcohol altogether, most of the medical advice for avoiding hangovers is to use common sense before you start drinking. But what about all those “cures” people seem to tout?

Some people tout the health and productivity benefits of cold showers, but how much do they really do?

This week, scientists have managed to make tear gland organoids that cry, and have also found a bunch of new genes involved in eye color!

Our oceans are unexplored and undersampled -- today, we still know more about other planets than our own. How can we get to a better understanding of this vast, important ecosystem? Explorer Sebastien de Halleux shares how a new fleet of...

There are a lot of stereotypes and stigma surrounding alcohol that prevent both understanding and adequate care, and the spectrum of symptoms that alcohol use disorder can include is a lot more complicated than you might think.

Income and wealth inequality are not new. In fact, economists and historians who have charted economic inequality throughout history haven't found a single society without it. Which raises a bleak question: is inequality ... inevitable?...

In his typically candid style, Richard St. John reminds us that success is not a one-way street, but a constant journey. He uses the story of his business' rise and fall to illustrate a valuable lesson -- when we stop trying, we fail.