What happens when a black man visits Aspen? Singer/songwriter Stew and his band are about to let you know.

It's moments after the Big Bang and you're still reeling. You're a particle of matter, amidst a chaotic stew of forces, fusion, and annihilation. If you're lucky and avoid being destroyed by antimatter, you'll be the seed of a future galaxy. Can you ensure that you're the last particle standing? James Tanton shows how. [Directed by Igor Coric, A...

The promise of the metaverse extends far beyond digital spaces -- it can transform and enrich how we experience the material world, too. From video games that bring communities together to digital art that collides with physical spaces, augmented reality designer Sutu shares some of the incredible creativity that's sparked by AR metaverse techno...

Imagine being able to see artwork in the greatest museums around the world without leaving your chair. Driven by his passion for art, Amit Sood tells the story of how he developed Art Project to let people do just that.

What does a cultural Big Bang look like? For Amit Sood, director of Google's Cultural Institute and Art Project, it's an online platform where anyone can explore the world's greatest collections of art and artifacts in vivid, lifelike detail. Join Sood and Google artist in residence Cyril Diagne in a mind-bending demo of experiments from the Cul...

What does this gorgeous street art say? It's Arabic poetry, inspired by bold graffiti and placed where a message of hope and peace can do the most good. In this quietly passionate talk, artist and TED Fellow eL Seed describes his ambition: to create art so beautiful it needs no translation.

eL Seed fuses Arabic calligraphy with graffiti to paint colorful, swirling messages of hope and peace on buildings from Tunisia to Paris. The artist and TED Fellow shares the story of his most ambitious project yet: a mural painted across 50 buildings in Manshiyat Naser, a district of Cairo, Egypt, that can only be fully seen from a nearby mount...

When you collapse in front of the TV after a long day, do you always end up watching the same few shows and movies the algorithm serves up to everyone? If so, engineer and movie enthusiast Sid Thatham believes you're missing out. Thatham lays out the myriad potential rewards for diversifying your streaming habits and venturing into unexplored co...

From Beyoncé to Drake and beyond, the world is rocking to the rhythm of Afrobeat. Feel the music as Kenyan afro-pop superstars Sauti Sol take the TED stage to perform three songs: "Live and Die in Afrika," "Sura Yako" and "Kuliko Jana."

The 40 or so muscles in the human face can be activated in different combinations to create thousands of expressions. But do these expressions look the same and communicate the same meaning around the world regardless of culture? Is one person's smile another's grimace? Sophie Zadeh investigates. [TED-Ed Animation by Estúdio Bacuri]

Scientist Saad Bhamla is on a mission to answer a question most people don't think to ask: How do insects pee? Taking inspiration from the incredible "butt flickers" of the glassy-winged sharpshooter, Bhamla presents a fascinating study of the physics behind how bugs take care of business and invites us to be more curious about the seemingly mun...

In this passionate talk, diversity trainer and activist Fahad Saeed addresses the persistent myth that inclusive language and acronyms create more barriers than they tear down. Sharing his own experiences as a gay Muslim man born to immigrant parents, he explains how redefining the constructs around personal identity can have positive repercussi...

Along with a crew of technologists and scientists, Jorge Soto is developing a simple, noninvasive, open-source test that looks for early signs of multiple forms of cancer. Onstage at TEDGlobal 2014, he demonstrates a working prototype of the mobile platform for the first time.

The longer that someone provides care — whether for a partner, family member or stranger — the more likely they are to experience negative mental and physical health themselves. In this moving talk, pediatric nurse Hui-wen Sato describes how her approach to caregiving was transformed once she figured out way to reappropriate her grief to better ...

Why do people succeed? Is it because they're smart? Or are they just lucky? Neither. Analyst Richard St. John condenses years of interviews into an unmissable 3-minute slideshow on the real secrets of success.

Consider the following sentence: "This statement is false." Is that true? If so, that would make the statement false. But if it's false, then the statement is true. This sentence creates an unsolvable paradox; if it's not true and it's not false– what is it? This question led a logician to a discovery that would change mathematics forever. Marcu...

Physicist Werner Heisenberg said, "When I meet God, I am going to ask him two questions: why relativity? And why turbulence? I really believe he will have an answer for the first." As difficult as turbulence is to understand mathematically, we can use art to depict the way it looks. Natalya St. Clair illustrates how Van Gogh captured this deep m...

The world turns on symmetry -- from the spin of subatomic particles to the dizzying beauty of an arabesque. But there's more to it than meets the eye. Here, Oxford mathematician Marcus du Sautoy offers a glimpse of the invisible numbers that marry all symmetrical objects.

In his typically candid style, Richard St. John reminds us that success is not a one-way street, but a constant journey. He uses the story of his business' rise and fall to illustrate a valuable lesson -- when we stop trying, we fail.

In a constantly changing world, it's impossible for leaders to provide employees with the assurance they want, says Vimeo CEO Anjali Sud. Her solution: lead with humanity and flexibility. In conversation with veteran journalist Stephanie Mehta, Sud discusses her experience connecting remote employees worldwide, addressing burnout and adapting co...

Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated cells with the power to become any tissue in our bodies. Craig A. Kohn describes the role of these incredible, transforming cells and how scientists are harnessing their medical potential. [Directed by Qa'ed Mai, narrated by Mic...

ZigZag, a business podcast about being human, returns with The ZigZag Project: six steps (and episodes) to help you map out a path that aligns your personal values with your professional ambitions. In this first episode, host Manoush Zomorodi shares stories and data from the 150 listeners who volunteered to test the project. Learn why change req...

Jedidah Isler dreamt of becoming an astrophysicist since she was a young girl, but the odds were against her: At that time, only 18 black women in the United States had ever earned a PhD in a physics-related discipline. In this personal talk, she shares the story of how she became the first black woman to earn a PhD in astrophysics from Yale -- ...

Nearly every other year the transistors that power silicon computer chip shrink in size by half and double in performance, enabling our devices to become more mobile and accessible. But what happens when these components can't get any smaller? George Tulevski researches the unseen and untapped world of nanomaterials. His current work: developing...

While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others. And this second set of genes belonged to her twin sister— who had never been born. How did this happen? Kayla Mandel Sheets explores the conditio...

Today's math and science curricula often serve to alienate students from these valuable disciplines when they should be doing the opposite. STEM advocate Amara Berry uses her family's work in the sciences to illustrate the pressing need for making education in these subjects more accessible and effective.

Calling them "our bodies' own repair kits," Susan Solomon advocates research using lab-grown stem cells. By growing individual pluripotent stem cell lines, her team creates testbeds that could accelerate research into curing diseases -- and perhaps lead to individualized treatment, targeted not just to a particular disease but a particular person.

Ever become angry and "see red"? Being defensive, as it turns out, is one of the greatest inhibitors to true collaboration. Jim Tamm shares years of experience in getting out of the red zone and cultivating a "green zone" attitude.

The heart is one of the least regenerative organs in the human body -- a big factor in making heart failure the number one killer worldwide. What if we could help heart muscle regenerate after injury? Physician and scientist Chuck Murry shares his groundbreaking research into using stem cells to grow new heart cells -- an exciting step towards r...

Bones might seem rock-solid, but they're actually quite porous inside. Most of the large bones of your skeleton have a hollow core filled with soft bone marrow. Marrow's most essential elements are blood stem cells and for patients with advanced blood cancers like leukemia and lymphoma, the best chance for a cure is often a bone marrow transplan...