Sleep -- we spend one-third of our lives doing it, but what exactly do we get out of it? And how can we do it better? In this new TED series, sleep scientist Matt Walker uncovers the facts and secrets behind our nightly slumber. Tune in weekly for better zzz's!

Dear science, where would we be without you? Enjoy these enthralling talks dedicated to the fun, funky and fascinating scientific world.

What feels so good about getting your hands dirty and making something? The following talks speak to the art of craft.

Take a walk on the stranger side of science with these uncanny, yet fascinating talks.

TED offers scientists and other experts a platform to provide scientific information directly to millions of people around the world. It’s a responsibility we take seriously. First and foremost, that information has to be scientifically credible. The scientific method Science isn’t a set of truths written in stone. It’s an approach to discoverin...

Sleep — we spend one-third of our lives doing it, but what exactly do we get out of it? And how can we do it better? In this new TED series, sleep scientist Matt Walker uncovers the facts and secrets behind our nightly slumber. Tune in weekly for better zzz's!

Spellbinding, stimulating, seductive ... science? Here, the 10 most-watched science talks on TED.com. See why.

Revolutionary achievements, important discoveries and astounding leaps of progress that have fundamentally transformed the scientific world.

Swiss artist and photographer Fabian Oefner is on a mission to make eye-catching art from everyday science. In this charming talk, he shows off some recent psychedelic images, including photographs of crystals as they interact with soundwaves. And, in a live demo, he shows what really happens when you mix paint with magnetic liquid--or when you ...

Satisfy your curiosity on a cellular level with these talks that highlight the ways biology can be molded in the hands of the average, yet curious citizen.

Naming science as his chief inspiration, Mathieu Lehanneur shows a selection of his ingenious designs -- an interactive noise-neutralizing ball, an antibiotic course in one layered pill, asthma treatment that reminds kids to take it, a living air filter, a living-room fish farm and more.

Pseudoscience is a set of theories, methods, and assumptions that appear scientific, but aren't. In the worst cases, pseudoscience practitioners encourage this confusion to exploit people. But even when it's well-intentioned, pseudoscience can still prevent people from getting the help they need. So, how can you tell what's science and what's ps...

Get ready to have your mind blown by the best science and tech talks to hit the TED stage in 2016.

These women are trailblazers inspiring a new generation of girls to follow their lead and change the ratio in STEM (science, math, engineering and tech).

Does science ruin the magic of life? In this grumpy but charming monologue, Robin Ince makes the argument against. The more we learn about the astonishing behavior of the universe -- the more we stand in awe.

Every day there are news reports of new health advice, but how can you know if they're right? Doctor and epidemiologist Ben Goldacre shows us, at high speed, the ways evidence can be distorted, from the blindingly obvious nutrition claims to the very subtle tricks of the pharmaceutical industry.

Physicist Lee Smolin talks about how the scientific community works: as he puts it, "we fight and argue as hard as we can," but everyone accepts that the next generation of scientists will decide who's right. And, he says, that's how democracy works, too.

Love often feels inexplicable, the most unpredictable of forces. Using science, math and methodical observation, these speakers offer clues to understanding it.

Ready to ignite a surge of curiosity at home? Discover an entire world of science around you with these fun, engaging talks.

TED Studies, created in collaboration with Wiley, are curated video collections — supplemented by rich educational materials — for students, educators and self-guided learners. The Edge of Knowledge explores the fascinating implications of some of science's most perplexing theories: quantum mechanics, general relativity and attempts to unify the...

WorkLife with Adam Grant Tuesday, April 13, 2021 GLENNON DOYLE: [00:00:00] My wife, Abby likes to have a lot, just a lot of things. And this includes food. So when Abby orders let's say pizza, we have five people in our family. She might come home with four pizzas. She may come home with five pizzas. ADAM GRANT: [00:00:18] This is Glennon Doyl...

What if every scientist could share their data as easily as they tweet about their lunch? Michael Nielsen calls for scientists to embrace new tools for collaboration that will enable discoveries to happen at the speed of Twitter.

Business in Africa is booming -- but international companies are missing out, says emerging markets expert Nomava Zanazo. Rushing in without knowing their customers, businesses underestimate Africans and make costly assumptions about their diversity, preferences and buying power. Sharing the basics about what companies need to know to succeed on...

Science is about discovering the wonders of how our world works. From physics to biology to neuroscience, channel your inner Mr. Wizard as you watch these talks.

When you hear the word symmetry, you might think generally of triangles, butterflies, or even ballerinas. But defined scientifically, symmetry is "a transformation that leaves an object unchanged." Huh? Colm Kelleher unpacks this abstract term and explains how animals' distinct symmetries can tell us more about them -- and ourselves.

Artist and marine biologist Guy Harvey painted his first sea creature in school while illustrating Ernest Hemingway's "The Old Man and the Sea." In this inspirational talk, he describes how -- despite an intervening PhD in marine biology -- those early forays into painting drew him away from academia and into a lifelong dedication to causes of m...

Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin, the largest organ in your body: laid out flat, it would cover close to 1.7 square meters of ground. But besides keeping your organs in, what is its purpose? Emma Bryce takes us into the integumentary system to find out. [Directed...

Isn’t it odd that, when something’s funny, you might show your teeth, change your breathing, become weak and achy in some places, and maybe even cry? In other words, why do we do this bizarre thing that is laughter? Since there’s no archaeological record of laughter, it’s impossible to say exactly how and why it evolved, but scientists have some...

What's the science behind a sublime perfume? With charm and precision, biophysicist Luca Turin explains the molecular makeup -- and the art -- of a scent.

Mathematician Steven Strogatz shows how flocks of creatures (like birds, fireflies and fish) manage to synchronize and act as a unit -- when no one's giving orders. The powerful tendency extends into the realm of objects, too.