* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. TED's Chris Anderson says the rise of web video is driving a worldwide phenomenon he calls Crowd Accelerated...

For some reason, popping pimples gives many people a satisfying rush - but why? And why is there a whole television show dedicated to watching other people do it?!

One bag of apples, one apple, one slice of apple -- which of these is one unit? Explore the basic unit of math (explained by a trip to the grocery store!) and discover the many meanings of one.

A new telescope, the DKIST, has given us our most direct look at the Sun ever, in the highest resolution yet. And a paper published last week has revealed how “the dunes” auroras may be more than just a new spectacle in the night sky.

Asteroid 3200 Phaethon got closer than it will be until 2093, and the reflecting light has astronomers puzzled, and the relationship between black holes and magnetic fields is now a little more clear.

We might soon be following the logic of animal swarms to help us solve problems like traffic and constructing buildings in dangerous places, like Mars!

Unless you saw the spider bite you, that swollen, bite-looking lesion on your arm is probably something else, and blaming it on an innocent 8-legged critter might do more harm than good.

Brain training games claim to improve your memory, attention, and reasoning skills. Some even say they help prevent the onset of dementia. Problem is, they don't really work.

In which John Green teaches you about how Islam has interacted with politics during it's history, and how it continues to do so today. Islamist movements are in the news a lot lately, but how did that happen. John will point out that...

When outbreaks happen, we need to be able to predict the course they’ll take in the future, but of course we can’t run experiments on real people to figure that out. Thankfully we can simulate outbreaks and use models to find out how...

TED Fellow and education innovator Larry Irvin envisions a world where every child can see themselves reflected in their teachers. With his team at Brothers Empowered to Teach, Irvin is providing pathways to careers in education for...

There is a group of animals with more species than any other group, but Earth has such an astonishing variety of life that figuring out which group dominates is tricky.

Killer whales migrate thousands of kilometers across oceans, because it's good for their skin?

Hank discusses some of the recent developments in synthetic biology, and why some advocacy groups are calling for a moratorium on those developments.

Data mining recently made big news with the Cambridge Analytica scandal, but it is not just for ads and politics. It can help doctors spot fatal infections and it can even predict massacres in the Congo.

At the end of 2012, the US political system was headed for the "fiscal cliff" -- a budget impasse that could only be solved with bipartisan agreement. Adam Davidson, cohost of "Planet Money," shares surprising data on how bipartisan we...

NASA's Innovative Advanced Concepts program has funded a slew of new space mission concepts! Which one is your favorite?

Feathers might have originated tens of millions of years before we'd thought, and a 3D rendering of ankylosaur nasal passages lends new insight into how they stayed cool.

Dealing with depression is not easy, and the most common treatments don’t work for everyone. Could biomarkers be the key to finding more treatment options?

The modern hard drive is an object that can likely hold more information than your local library. But how does it store so much information in such a small space? Kanawat Senanan details the generations of engineers, material scientists,...

One day we might be able to live on Mars thanks to red wine, and domes made out of a very strange material, but don't pack your suitcase just yet.

The answer to why wasabi is such a nose burner has to do with a compound that researchers are trying to use in a creative way!

If you were given a chemical and told to identify it, how would you go about doing that? You could look at different factors like color, boiling point, melting point, or smell, but the answer still might not be clear. Thankfully, today...

The New Horizons spacecraft has given us lots of clues about the early days of our solar system, but we don't always have to travel billions of kilometers to peer into our past.