Are children poor liars? Do you think you can easily detect their lies? Developmental researcher Kang Lee studies what happens physiologically to children when they lie. They do it a lot, starting as young as two years old, and they're actually really good at it. Lee explains why we should celebrate when kids start to lie and presents new lie-de...

Imagine it's late 1990, and you've just met a nice young man named Tim Berners-Lee, who starts telling you about his proposed system called the World Wide Web. Ian Ritchie was there. And ... he didn't buy it. A short story about information, connectivity and learning from mistakes.

As the creator of a large chunk of the Marvel Universe, Stan Lee knows a thing or two about conjuring new superheroes from thin air. In this instructional and charmingly idiosyncratic talk, Lee shares a few lessons on how to write your own superpowered characters and deploy them in stories that connect with the largest possible audience.

In March 2009, North Korean soldiers captured journalist Euna Lee and her colleague Laura Ling while they were shooting a documentary on the border with China. The courts sentenced them to 12 years of hard labor, but American diplomats eventually negotiated their release. In this surprising, deeply human talk, Lee shares her experience living as...

Reporter Jennifer 8. Lee talks about her hunt for the origins of familiar Chinese-American dishes -- exploring the hidden spots where these two cultures have (so tastily) combined to form a new cuisine.

Good design looks great, yes -- but why shouldn't it also feel great, smell great and sound great? Designer Jinsop Lee (a TED Talent Search winner) shares his theory of 5-sense design, with a handy graph and a few examples. His hope: to inspire you to notice great multisensory experiences.

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.

TV news anchor Lee Thomas thought his career was over after he was diagnosed with vitiligo, an autoimmune disorder that left large patches of his skin without pigment and led to derision and stares. In a captivating talk, he shares how he discovered a way to counter misunderstanding and fear around his appearance with engagement, dialogue -- and...

As a child growing up in North Korea, Hyeonseo Lee thought her country was "the best on the planet." It wasn't until the famine of the 90s that she began to wonder. She escaped the country at 14, to begin a life in hiding, as a refugee in China. Hers is a harrowing, personal tale of survival and hope -- and a powerful reminder of those who face ...

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 on animal infidelity, TED Fellow Danielle N. Lee shows how she uses hip-hop to teach science, leading the crow...

Photographer Rick Smolan tells the unforgettable story of a young Amerasian girl, a fateful photograph, and an adoption saga with a twist.

Diagnosed with cancer, Bruce Feiler worried first about his young family. So -- as he shares in this funny, rambling and ultimately thoughtful talk -- he asked his closest friends to become a "council of dads," bringing their own lifetimes of wisdom to advise his twin daughters as they grow.

An artwork's color or composition can pull you in -- and put you on the path to having important and difficult conversations, says artist Titus Kaphar. In this stunning talk, he reflects on his artistic evolution and takes us on a tour of his career -- from "The Jerome Project," which draws on religious icons to examine the US criminal justice s...

"While language models may help generate new ideas, they cannot attack the hard part of science, which is simulating the necessary physics," says AI professor Anima Anandkumar. She explains how her team developed neural operators — AI trained on the finest details of the real world — to bridge this gap, sharing recent projects ranging from impro...

From the Salem witch trials to Jack the Ripper, humanity's historic fascination for true crime content can be traced back to the Middle Ages. But is it ethical to consume these real-life dramas in the way we do? Researcher Lindsey A. Sherrill shares four questions to ask yourself to be a mindful fan of this provocative cultural obsession -- so y...

In 2013, a treasure trove of unusual fossils were uncovered in a cave in South Africa, and researchers soon realized: these were the remains of a new species of ancient humans. Paleoanthropologist Juliet Brophy takes us inside the discovery of Homo naledi, explaining how this mysterious ancestor is forcing us to rethink where we come from -- and...

Lawrence Lessig, the Net’s most celebrated lawyer, cites John Philip Sousa, celestial copyrights and the "ASCAP cartel" in his argument for reviving our creative culture.

Philosopher Dan Dennett makes a compelling argument that not only don't we understand our own consciousness, but that half the time our brains are actively fooling us.

Four-star general Stanley McChrystal shares what he learned about leadership over his decades in the military. How can you build a sense of shared purpose among people of many ages and skill sets? By listening and learning -- and addressing the possibility of failure.

You'll never sing again, said her doctor. But in a story from the very edge of medical possibility, operatic soprano Charity Tillemann-Dick tells a double story of survival -- of her body, from a double lung transplant, and of her spirit, fueled by an unwavering will to sing. A powerful story from TEDMED 2010.

When Dave deBronkart learned he had a rare and terminal cancer, he turned to a group of fellow patients online -- and found the medical treatment that saved his life. Now he calls on all patients to talk with one another, know their own health data, and make health care better one e-Patient at a time.

In 2009, journalist and screenwriter Drew Philp bought a ruined house in Detroit for $500. In the years that followed, as he gutted the interior and removed the heaps of garbage crowding the rooms, he didn't just learn how to repair a house -- he learned how to build a community. In a tribute to the city he loves, Philp tells us about "radical n...

If you've taken a career break and are now looking to return to the workforce, would you consider taking an internship? Career reentry expert Carol Fishman Cohen thinks you should. In this talk, hear about Cohen's own experience returning to work after a career break, her work championing the success of "relaunchers" and how employers are changi...

Flags are one of the simplest yet most powerful pieces of design ever conceived. They can make us swell with pride, burn with hatred -- and even inspire people to die or kill in their name, says vexillologist Michael Green. Take a brief walk through history as Green explores the symbolic fervor behind flags that unify and divide, inviting us to ...

Witness the unveiling of Countdown, a major global campaign to cut greenhouse gas emissions. TED has partnered with scientists, policy makers, organizations, activists and more to create an initiative that everyone in the world can be part of. Check out http://countdown.ted.com to learn how you can get involved — and help turn the tide on climat...

Philosopher-comedian Emily Levine talks (hilariously) about science, math, society and the way everything connects. She's a brilliant trickster, poking holes in our fixed ideas and bringing hidden truths to light. Settle in and let her ping your brain.

"Do what you love" is often terrible advice. Instead of taking the job that will make you happiest, look for the one where you'll learn the most. (Audio only)

To find out how to stop sexual harassment at work, Adam talks with three powerful voices of the #MeToo movement: its founder Tarana Burke, Pulitzer Prize-winner Ronan Farrow and silence breaker Ashley Judd. This episode is brought to you by Accenture, Bonobos, JPMorgan Chase & Co. and Warby Parker. (Audio only)

Daniel Kraft offers a fast-paced look at the next few years of innovations in medicine, powered by new tools, tests and apps that bring diagnostic information right to the patient's bedside.

Open office plans. Learning styles. 10,000 hours of practice. "Freakonomics" host Stephen Dubner joins Adam Grant for a live conversation to reveal why some popular workplace fads might be bogus -- and what to do instead.