With infectious energy, singer-songwriter Angélique Kidjo ties together the threads of her legendary career as a creative force and global activist. In conversation with journalist Femi Oke, she discusses how joy powers her music (and...

My tribute to Curiosity, both the NASA rover and the human desire to discover, featuring words from some of science's greatest minds and LEGO's special edition Mars rover set

Civilians don't miss war. But soldiers often do. Journalist Sebastian Junger shares his experience embedded with American soldiers at Restrepo, an outpost in Afghanistan's Korengal Valley that saw heavy combat. Giving a look at the...

Swallowing pills to get medication is a quick, painless and often not entirely effective way of treating disease. A potentially better way? Lasers. In this passionate talk, TED Fellow Patience Mthunzi explains her idea to use lasers to...

SciShow Space tackles a viewer question: Is the Earth getting heavier? The answers -- there's actually more than one -- may surprise you!

Does collecting more data lead to better decision-making? Competitive, data-savvy companies like Amazon, Google and Netflix have learned that data analysis alone doesn't always produce optimum results. In this talk, data scientist...

On this week's episode of Spacetime, Gabe talks about what it actually means for a line to be straight so we can better understand what we mean by the idea of "curved Spacetime". This is Part One of our series on General relativity, so...

Forget home economics and standardized tests, education visionary Trish Millines Dziko has a much more engaging and fulfilling way for students to develop real-world skills. Get schooled by Dziko as she shares how project-based learning...

Singer/guitarist Raúl Midón performs "All the Answers" in a world premiere at TED2007, followed by the sprightly "Tembererana."

One day a pair of brothers working together as shoemakers had an explosive fight that split the family business in two. Over the coming years, this disagreement divided their town— residents and businesses chose sides. Could such a...

Have you ever gone along with a group even though you had your doubts? You're not alone: Research shows unanimous decisions aren't always actually unanimous.

As denizens of the internet, most of us are familiar with the trolls. In this episode of SciShow, learn a little about how social scientists think trolls came to be, and how online communities are figuring it all out.

People ask Google everything under the sun. One of the most commonly searched questions in the world is “How Can I Fall Asleep?” Allow us at SciShow to explain.

With VidCon Australia just around the corner, Julia Maes, Executive Producer of VidCon International, faces off against Hank Green on the SciShow Quiz Show, answering questions about Australian things and earning prizes for Patreon patrons!

We often think of bias and prejudice as rooted in ignorance. But as psychologist Paul Bloom seeks to show, prejudice is often natural, rational ... even moral. The key, says Bloom, is to understand how our own biases work -- so we can...

Just how small are atoms? And what's inside them? The answers turn out to be astounding, even for those who think they know. This fast-paced animation uses spectacular metaphors (imagine a blueberry the size of a football stadium!) to...

Why do exams always tell you to use a number 2 pencil? What happens if you don't? Quick Questions explains!

Using the harmonic series we can build an infinitely long bridge. It takes a very long time though. A faster method was discovered in 2009.

Black holes are everywhere, including at the center of our galaxy. But because they’re invisible they’re quite difficult to study. Looking at the disks of material surrounding them, however, can give us tons of clues about how they...

SciShow Space gives you the latest in Space News, including fascinating facts about the latest visitors to the ISS, how to spot the Eta Aquarids meteor shower, and a new discovery in our own celestial neighborhood.

The past is different from the future. Why?

Why do we like an original painting better than a forgery? Psychologist Paul Bloom argues that human beings are essentialists -- that our beliefs about the history of an object change how we experience it, not simply as an illusion, but...

Everyone does it, but why? In this episode of SciShow Quick Questions you get the answers!

You might think that computers are the only things that run algorithms, but you're wrong. Here's a neat mental trick for calculating the day of the week for any day ever, developed by famous mathematician John H. Conway.