Earthquakes shake a lot of things up, but after decades or even centuries, it might be a little tough to figure out when or even where one may have happened. Luckily, nature has a few ways of letting us know.

Forget the latest disease in the news: Cardiovascular disease kills more people than everything else combined -- and it’s mostly preventable. Dr. Dean Ornish explains how changing our eating habits can save lives.

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.

How many of today's headlines will matter in 100 years? 1000? Kirk Citron's "Long News" project collects stories that not only matter today, but will resonate for decades -- even centuries -- to come. At TED2010, he highlights recent...

It's been said that when an elder dies, it's as if a library is burned. Anthropologist Elizabeth Lindsey, a National Geographic Fellow, collects the deep cultural knowledge passed down as stories and lore.

After a crisis, how can we tell if water is safe to drink? Current tests are slow and complex, and the delay can be deadly, as in the cholera outbreak after Haiti's earthquake in 2010. TED Fellow Sonaar Luthra previews his design for a...

It sounds counterintuitive, but by 2030, many of the world's largest economies will have more jobs than adult citizens to do those jobs. In this data-filled -- and quite charming -- talk, human resources expert Rainer Strack suggests...

The new year is off to a great start for space exploration! New Horizons has passed the farthest object ever visited by a spacecraft, and China put a lander on the dark side of the Moon!

2020 is going to be an exciting year for space exploration, if everything goes according to plan. Humans are heading to space in new spacecraft, multiple Mars missions are on the horizon, and scientists are getting a new perspective on...

Sharks are WAY more important than you may realize.

Many cat owners are familiar with the "gifts" their feline friends are fond of giving, but if left unchecked, this behavior can be devastating.

From the stage to everyday life, theater educator Jo Michael Rezes studies queer identity and the spectrum of gender performance — in its success and failure. Aided by a delightful introduction of campy charm, Rezes explores the freeing...

Happy pi day! Did you know that in some of his notes, Euler used the symbol pi to represent 6.28..., before the more familiar 3.14... took off as a standard?

This has been another really good year for exploring the universe. This is our annual superlatives episode, so let’s take a look at the some of the coolest breakthroughs of 2019.

Last week, engineers announced two possible lunar habitats: a big pillowy space closet and lunar lava tubes.

OSIRIS-REx finally entered orbit around the asteroid Bennu this week and new research has found an old recipe for RNA.

Why are mosquito bites so itchy? Stop scratching while Jessi explains!

Every once in a while we add a second onto our days. Similar to the Leap Year, this is known as the Leap Second. But, if the Leap Year already helps us account for the offset from a calendar in days, what exactly does the Leap Second do?...

Bill Stone, a maverick cave explorer who has plumbed Earth's deepest abysses, discusses his efforts to mine lunar ice for space fuel and to build an autonomous robot for studying Jupiter's moon Europa.

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 the developing world, access to incubators is limited by cost and distance, and millions of premature babies die each year. TED Fellow Jane Chen shows an invention that could keep millions of these infants warm -- a design that's...

Photographer Camille Seaman shoots icebergs, showing the world the complex beauty of these massive, ancient chunks of ice. Dive in to her photo slideshow, "The Last Iceberg."

Massimo Banzi helped invent the Arduino, a tiny, easy-to-use open-source microcontroller that's inspired thousands of people around the world to make the coolest things they can imagine -- from toys to satellite gear. Because, as he...

Have you played with Google Labs' Ngram Viewer? It's an addicting tool that lets you search for words and ideas in a database of 5 million books from across centuries. Erez Lieberman Aiden and Jean-Baptiste Michel show us how it works,...