Anil Gupta is on the hunt for the developing world's unsung inventors -- indigenous entrepreneurs whose ingenuity, hidden by poverty, could change many people's lives. He shows how the Honey Bee Network helps them build the connections they need -- and gain the recognition they deserve.

Physicist and surfer Garrett Lisi presents a controversial new model of the universe that -- just maybe -- answers all the big questions. If nothing else, it's the most beautiful 8-dimensional model of elementary particles and forces you've ever seen.

Eve Ensler, creator of "The Vagina Monologues," shares how a discussion about menopause with her friends led to talking about all sorts of sexual acts onstage, waging a global campaign to end violence toward women and finding her own happiness.

Anthropologist Helen Fisher takes on a tricky topic – love – and explains its evolution, its biochemical foundations and its social importance. She closes with a warning about the potential disaster inherent in antidepressant abuse.

Can Twitter be saved? In a wide-ranging conversation with TED's Chris Anderson and Whitney Pennington Rodgers, Twitter CEO Jack Dorsey discusses the future of the platform -- acknowledging problems with harassment and moderation and proposing some fundamental changes that he hopes will encourage healthy, respectful conversations. "Are we actuall...

Jane Goodall hasn't found the missing link, but she's come closer than nearly anyone else. The primatologist says the only real difference between humans and chimps is our sophisticated language. She urges us to start using it to change the world.

Pleo the robot dinosaur acts like a living pet -- exploring, cuddling, playing, reacting and learning. Inventor Caleb Chung talks about Pleo and his wild toy career at EG07, on the week that Pleo shipped to stores for the first time.

Dave Isay opened the first StoryCorps booth in New York’s Grand Central Terminal in 2003 with the intention of creating a quiet place where a person could honor someone who mattered to them by listening to their story. Since then, StoryCorps has evolved into the single largest collection of human voices ever recorded. His TED Prize wish: to grow...

In this illuminating talk, Richard Pyle shows us thriving life on the cliffs of coral reefs and groundbreaking diving technologies he has pioneered to explore it. He and his team risk everything to reveal the secrets of undiscovered species.

Mae Jemison is an astronaut, a doctor, an art collector, a dancer ... Telling stories from her own education and from her time in space, she calls on educators to teach both the arts and sciences, both intuition and logic, as one -- to create bold thinkers.

Karen DeSalvo, the chief health officer at Google, explains the partnership between big tech and public health in slowing the spread of COVID-19 -- and discusses a new contact tracing technology recently rolled out by Google and Apple that aims to ease the burden on health workers and provide scientists critical time to create a vaccine. (This v...

Philip Zimbardo knows how easy it is for nice people to turn bad. In this talk, he shares insights and graphic unseen photos from the Abu Ghraib trials. Then he talks about the flip side: how easy it is to be a hero, and how we can rise to the challenge.

You've got a long list of things you want to do, but there's just one problem: you can't seem to get -- or stay -- motivated. Social psychologist Ayelet Fishbach is here to help. She offers insights on the science of motivation along with tips and cognitive tricks to help you reach your goals while staying happy, healthy and engaged. (This conve...

In this performance, Sarah Jones brings you to the front row of a classroom in the future, as a teacher plugs in different personas from the year 2016 to show their varied perspectives on sex work. As she changes props, Jones embodies an elderly homemaker, a “sex work studies” major, an escort, a nun-turned-prostitute and a guy at a strip club f...

Humanity is on its way to creating a "black ball": a technological breakthrough that could destroy us all, says philosopher Nick Bostrom. In this incisive, surprisingly light-hearted conversation with Head of TED Chris Anderson, Bostrom outlines the vulnerabilities we could face if (or when) our inventions spiral beyond our control -- and explor...

The pandemic has deepened the need to rethink education. In conversation with TED Global Curator Bruno Giussani, Dr. Ahmad M. Hasnah of Qatar Foundation discusses an educational model from Doha, Qatar that informs the global needs of students and shares insight into the newly launched TEDinArabic (بالعربي TED), a global platform for thinkers, r...

At Serious Play 2008, Charles Elachi shares stories from NASA's legendary Jet Propulsion Lab -- including tales and video from the Mars Rover project.

"The opposite of depression is not happiness, but vitality, and it was vitality that seemed to seep away from me in that moment." In a talk equal parts eloquent and devastating, writer Andrew Solomon takes you to the darkest corners of his mind during the years he battled depression. That led him to an eye-opening journey across the world to int...

Cambridge researcher Aubrey de Grey argues that aging is merely a disease -- and a curable one at that. Humans age in seven basic ways, he says, all of which can be averted.

The coronavirus pandemic shattered the global economy. To put the pieces back together, we need to make sure money is going to the countries that need it the most -- and that we rebuild financial systems that are resilient to shocks, says Kristalina Georgieva, managing director of the International Monetary Fund. She takes us inside the massive ...

What are the realistic pathways off of fossil fuels and towards a world of abundant clean energy? TED Countdown gathered for its second Dilemma Series -- events designed to look at some of the tricky challenges of climate change, where diverging positions have stalled progress -- to answer this core question of the climate crisis. Through TED Ta...

When will the coronavirus vaccine be ready? Epidemiologist Seth Berkley (head of Gavi, the Vaccine Alliance) takes us inside the effort to create a vaccine for COVID-19. With clarity and urgency, he explains what makes it so challenging to develop, when we can expect it to be rolled out at scale and why we'll need global collaboration to get it ...

Biochemist Kary Mullis talks about the basis of modern science: the experiment. Sharing tales from the 17th century and from his own backyard-rocketry days, Mullis celebrates the curiosity, inspiration and rigor of good science in all its forms.

How do you deal with jerks at work? And is it possible to eliminate them altogether? (Audio only)

How can we bridge the gap between left and right to have a wiser, more connected political conversation? Journalist Gretchen Carlson and op-ed columnist David Brooks share insights on the tensions at the heart of American politics today -- and where we can find common ground. Followed by a rousing performance of "America the Beautiful" by Vy Hig...

How do we make sense of today's political divisions? In a wide-ranging conversation full of insight, historian Yuval Harari places our current turmoil in a broader context, against the ongoing disruption of our technology, climate, media -- even our notion of what humanity is for. This is the first of a series of TED Dialogues, seeking a thought...