Telegram founder Pavel Durov, a self-proclaimed free speech absolutist, faces scrutiny as his platform navigates the complexities of enabling open communication while addressing criminal misuse, including child sexual abuse material....

Rosalind Franklin was a British scientist who helped discover the structure of DNA, but you most likely haven't heard of her. Hank will attempt to fix this gap in your knowledge on today's SciShow: Great Minds

Ever wish you could travel backward in time and do things differently? Good news: the laws of physics seem to say traveling backward in time is the same as traveling forwards. So why do we seem to be stuck in this inexorable flow towards...

This week, researches published a genetic analysis of the 11,500-year-old remains of a baby found in Alaska, near where the first Americans crossed the Bering land bridge. That analysis has answered some lingering questions about human...

During the last three months of the campaign, fake news headlines drew more engagement than real reporting, and social media platforms were criticized for not doing enough to dispute false information. Now Facebook is launching new tools...

In an era marked by cries of “fake news,” teaching media literacy skills to

young consumers is more important than ever. How do schools teach stud
ents
consuming and sharing news responsibly? PBS Newshour’s Student
Reporting...

The pandemic forced the world to work together like never before and, with unprecedented speed, bore a new age of health and medical innovation. Physician-scientist Daniel Kraft explains how breakthroughs and advancements like...

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

Could psychedelics help us heal from trauma and mental illnesses? Researcher Rick Doblin has spent the past...

If you feel something inside you say, “I really don’t think you’re strong enough,” you don’t necessarily have to trust that little voice—it might not know you as well as you think it does.

Wael Ghonim helped touch off the Arab Spring in his home of egypt ... by setting up a simple Facebook page. As he reveals, once the revolution spilled onto the streets, it turned from hopeful to messy, then ugly and heartbreaking. And...

Kevin Allocca is YouTube's Head of Culture & Trends, and he has deep thoughts about silly web video. In this talk from TEDYouth, he shares the 4 reasons a video goes viral.

Although only boys were allowed at the Confucius Academy, what Zhu Yingtai wanted was to go to school. She begged her parents to let her attend dressed as a boy and, seeing her determination and clever disguises, they finally agreed— as...

Joe Gebbia, the co-founder of Airbnb, bet his whole company on the belief that people can trust each other enough to stay in one another's homes. How did he overcome the stranger-danger bias? Through good design. Now, 123 million hosted...

One could say that snowflakes are simply frozen water — but if you compare a snowflake to an ice cube, you’ll notice a big difference. Why are all snowflakes six-sided? Why are none of them exactly the same? And how do we ski on them?...

Why do we turn to nonprofits, NGOs and governments to solve society's biggest problems? Michael Porter admits he's biased, as a business school professor, but he wants you to hear his case for letting business try to solve massive...

The people behind fake posts can rely on a few tricks to get you on board. But there are ways to spot them, and ways to avoid falling for what they have to say.

Have you ever actually read the terms and conditions for the apps you use? Finn Lutzow-Holm Myrstad and his team at the Norwegian Consumer Council have, and it took them nearly a day and a half to read the terms of all the apps on an...

As you surf the Web, information is being collected about you. Web tracking is not 100% evil -- personal data can make your browsing more efficient; cookies can help your favorite websites stay in business. But, says Gary Kovacs, it's...

How can we fit more people into cities without overcrowding? Kent Larson shows off folding cars, quick-change apartments and other innovations that could make the city of the future work a lot like a small village of the past.

In the early 1990s, a scandal rocked evolutionary biology: scientists discovered that songbirds -- once thought to be strictly monogamous -- engaged in what's politely called "extra-pair copulation." In this unforgettable biology lesson...

Got an idea to make your workplace better? Labor organizer and TED Fellow Jess Kutch can show you how to put it into action. In this quick talk, she explains how "productive conflict" -- when people organize to challenge and change...

In the cathedral of the wild, we get to see the best parts of ourselves reflected back to us. Boyd Varty, a wildlife activist, shares stories of animals, humans and their interrelatedness, or "ubuntu" -- defined as, "I am, because of...

What if traffic flowed through our streets as smoothly and efficiently as blood flows through our veins? Transportation geek Wanis Kabbaj thinks we can find inspiration in the genius of our biology to design the transit systems of the...

Lots of funny and iconic memes arrive suddenly and overwhelmingly in our internet life, but what's the science behind why those memes go viral?