"Most of what we send into outer space never comes back," says astrodynamicist and TED Fellow Moriba Jah. In this forward-thinking talk, Jah describes the space highways orbiting earth and h... Read more

When Julius Maada Bio first seized political power in Sierra Leone in 1996, he did so to improve the lives of its citizens. But he soon realized that for democracy to flourish, its foundatio... Read more

"Most of what we send into outer space never comes back," says astrodynamicist and TED Fellow Moriba Jah. In this forward-thinking talk, Jah describes the space highways orbiting earth and h... Read more

Glenn Cantave uses technology to highlight the narratives of the oppressed. In a tour of immersive visual projects, he shares his work with the team at Movers and Shakers NYC, a coalition th... Read more

"The hood is good," says Jon Gray of the Bronx, New York-based creative collective Ghetto Gastro. Working at the intersection of food, design and art, Gray and his team work to honor the sou... Read more

Being open and vulnerable with your loneliness, sadness and fear can help you find comfort and feel less alone, says writer and artist Jonny Sun. In an honest talk filled with his signature... Read more

Ethan Lindenberger never got vaccinated as a kid. So one day, he went on Reddit and asked a simple question: "Where do I go to get vaccinated?" The post went viral, landing Lindenberger in t... Read more

Lindsay Amer is the creator of "Queer Kid Stuff," an educational video series that breaks down complex ideas around gender and sexuality through songs and metaphors. By giving kids and their... Read more

"The universe has already written the poem you were planning on writing," says Sarah Kay, quoting her friend, poet Kaveh Akbar. Performing "A Bird Made of Birds," she shares how and where sh... Read more

"The hardest part of my cancer experience began once the cancer was gone," says author Suleika Jaouad. In this fierce, funny, wisdom-packed talk, she challenges us to think beyond the divide... Read more

"We are intricately connected by the most glorious of energies," says singer-songwriter Emeli Sandé. Accompanied by Ray Angry on piano, Sandé sings three soaring ballads: "You Are Not Alone,... Read more

Daniel Lismore's closet is probably a bit different than yours -- his clothes are constructed out of materials ranging from beer cans and plastic crystals to diamonds, royal silks and 2,000-... Read more

Humans have been studying the stars for thousands of years, but astrophysicist Juna Kollmeier is on a special mission: creating the most detailed 3-D maps of the universe ever made. Journey... Read more

Our society is in the midst of a social crisis, says op-ed columnist and author David Brooks: we're trapped in a valley of isolation and fragmentation. How do we find our way out? Based on h... Read more

In life's toughest moments, how do you go on living? Kate Bowler has been exploring this question ever since she was diagnosed with stage IV cancer at age 35. In a profound, heartbreaking an... Read more

Design gives form to the future, says architect Bjarke Ingels. In this worldwide tour of his team's projects, journey to a waste-to-energy power plant (that doubles as an alpine ski slope) a... Read more

Octopus, squid and cuttlefish -- collectively known as cephalopods -- have strange, massive, distributed brains. What do they do with all that neural power? Dive into the ocean with marine b... Read more

TED Fellow and astronomer Erika Hamden leads the team building FIREBall, a telescope that hangs from a giant balloon at the very edge of space and looks for clues about how stars are created... Read more

Baratunde Thurston explores the phenomenon of white Americans calling the police on black Americans who have committed the crimes of ... eating, walking or generally "living while black." In... Read more

Humans produce 300 million tons of new plastic each year -- yet, despite our best efforts, less than 10 percent of it ends up being recycled. Is there a better way to deal with all this wast... Read more

A few weeks before his release from prison, Jarrell Daniels took a class where incarcerated men learned alongside prosecutors. By simply sitting together and talking, they uncovered surprisi... Read more

The global fertility rate, or the number of children per woman, has halved over the last 50 years. What will having fewer babies mean for the future of humanity? In this funny, eye-opening t... Read more

Designer Ivan Poupyrev wants to integrate technology into everyday objects to make them more useful and fun -- like a jacket you can use to answer phone calls or a houseplant you can play li... Read more

It starts with a sketch. Then it evolves into a larger-than-life visual masterpiece, a celebration of human connection. Follow along as legendary artist and designer Es Devlin takes us on a... Read more

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 cop... Read more