In times of uncertainty, leaders have a responsibility to inspire hope. Sharing hard-won wisdom, business leader Ken Chenault talks about what it takes to enact positive, enduring change -- and why it's more important than ever to invest in responsible innovation that uplifts people and centers equality and fairness.

Exposing what life looks like in Afghanistan after a 20-year US occupation and the Taliban's stunning and rapid takeover, TED Fellow and documentary photographer Kiana Hayeri captures harrowing glimpses and multifaceted realities of a war-torn country. Through the lens of her camera, she documents devastation and deferred dreams -- but also resi...

What can economists learn from linguists? Behavioral economist Keith Chen introduces a fascinating pattern from his research: that languages without a concept for the future -- "It rain tomorrow," instead of "It will rain tomorrow" -- correlate strongly with high savings rates.

The more that robots ingrain themselves into our everyday lives, the more we're forced to examine ourselves as people. At TEDxBerkeley, Ken Goldberg shares four very human lessons that he's learned from working with robots.

Our food choices are affecting our planet: Food production accounts for a staggering one-third of greenhouse gas emissions. To reduce this toll, we need to develop food literacy, understanding how our diets impact our health and our environments, says plant-based chef Peggy Chan. She explains how better food literacy — whether you're a food-indu...

Trivia whiz Ken Jennings has made a career as a keeper of facts; he holds the longest winning streak in history on the US quiz show Jeopardy. But in 2011, he played a challenge match against IBM's supercomputer Watson -- and lost. With humor and humility, Jennings tells us how it felt to have a computer literally beat him at his own game, and ma...

Did you know that almost 150 million people worldwide are born intersex -- with biology that doesn't fit the standard definition of male or female? (That's as many as the population of Russia.) At age 10, Emily Quinn found out she was intersex, and in this wise, funny talk, she shares eye-opening lessons from a life spent navigating society's th...

Natalie Gunn makes a case for thinking of our minds and bodies as a continuum rather than a duality. She's especially intrigued by how this continuum may relate to cancer and whether our mindset impacts the disease. Natalie argues that we have to take the question seriously: "We need to investigate how a disease of the body could be impacted by ...

The Fez River winds through the medina of Fez, Morocco—a mazelike medieval city that's a World Heritage site. Once considered the "soul" of this celebrated city, the river succumbed to sewage and pollution, and in the 1950s was covered over bit by bit until nothing remained. TED Fellow Aziza Chaouni recounts her 20 year effort to restore this ri...

Around the world there are more than 600 plant species that supplement a regular diet of sunlight, water and soil with insects, frogs and even rats. Flies, tadpoles and beetles fall prey to the remarkable, predatory antics of carnivorous plants. What exactly are carnivorous plants and how do they trap their prey? Kenny Coogan dives into the worl...

The second deadliest day in the history of Mount Everest climbs happened in 1996 -- and Ken Kamler was the only doctor on the mountain that day. He shares the incredible story of the climbers' battle to save lives in extreme conditions, and uses brain imaging technology to map the medical miracle of one man who survived roughly 36 hours buried i...

CRISPR gene drives allow scientists to change sequences of DNA and guarantee that the resulting edited genetic trait is inherited by future generations, opening up the possibility of altering entire species forever. More than anything, the technology has led to questions: How will this new power affect humanity? What are we going to use it to ch...

As the sun rises, something royal stirs inside a pile of firewood. It's the wasp queen; one of thousands who mated in late autumn and hibernated through the winter. Now she must emerge into the spring air to begin her reign. This queen is the lone survivor of her old hive, and now, she must become the foundress of a new one. Kenny Coogan details...

In 1775, General George Washington received a poem from one of colonial America's most famous writers. Its verses praised the burgeoning revolution, invoking the goddess of their new nation to aid the general's cause. But this ode to liberty wasn't written by some aloof aristocratic admirer. Its author was a young enslaved Black woman. Charita G...

Apiorkor Seyiram Ashong-Abbey is a Ghanaian poet, writer, literary critic, media practitioner, activist and versatile creative of Ga-Daŋme and Ewe ancestry.

As president and COO of SpaceX, Gwynne Shotwell is responsible for day-to-day operations and for managing all customer and strategic relations.

Peace. It's humanity's eternal, elusive dream. These speakers offer inspired ideas, practical advice and real-world examples from around the globe of how it just might be attainable.

In articles that span the gene-editing abilities of CRISPR, the roots of psychopathic behavior in children, and much more, Jennifer Kahn weaves gripping stories from unlikely sources.

Tim Guinee is a passionate advocate for creating a more sustainable world.

Sophia Kianni is a United Nations climate advisor and the founder of Climate Cardinals, a nonprofit that aims to make climate resources more accessible to people who don't speak English.

Ken Jennings holds the record for most consecutive wins on the classic American trivia game show, Jeopardy.

Head of TED Chris Anderson speaks with fascinating individuals to dig into some of the most provocative and powerful ideas of our time.

After working at Microsoft for almost a decade, Patrick Awuah returned home to Ghana and cofounded Ashesi University, a small liberal arts college that aims to educate Africa's next generation of leaders. Its first class of students graduated in 2006.

Apparently, popularity can be predicted and companies are buying it. Increasingly, fashion brands are relying on trend forecasting agencies in order to create the "next big thing." However, fashion buyer Mahir Can Işik says these predictions are putting creativity at the risk of irrelevance. (Currently, more than 12,000 brands get their predicti...

You may need to hear this (if you haven't already): your job is not your family. While you can develop meaningful relationships with your colleagues, calling work your family can actually breed burnout and be detrimental to your mental and emotional health. Mental wellness educator Gloria Chan Packer walks through the exercises you need to shift...

What if we could use the power of DNA to create a sustainable, circular economy? In a talk about breakthrough science, synthetic biologist Jason W. Chin describes his team's work rewriting the genetic blueprint of cells to create a virus-resistant organism -- the largest synthetic genome ever made and a first step towards reimagining what life c...

Global obesity rates are on the rise, but body shaming campaigns are doing more harm than good, says medical anthropologist Nancy N. Chen. Reflecting on how the cultural histories of body ideals have changed over time, she offers a new way to view ourselves and our health by enhancing body diversity to close the gap between what's ideal and what...

In the wealthiest circles of Victorian England, dieters would swallow an unhatched tapeworm and let it grow inside them by consuming undigested meals. And while modern fad diets aren't usually this extreme, they do promise similar results; specifically, losing weight fast. So, are there any fast diets that do work? And are any of them actually h...

In a hopeful talk followed by an empowering performance, musician and TED Fellow Muthoni Drummer Queen shares how industries like music, film and fashion provide a platform for Africans to broadcast their rich and diverse talents -- and explains how the shared experience of creativity can replace attitudes of exclusionism and othering with accep...

Sir Ken Robinson makes an entertaining and profoundly moving case for creating an education system that nurtures (rather than undermines) creativity.