As the Roman Empire flourished, Scandinavians had small settlements and no central government. Yet by the 11th century, they had spread far from Scandinavia, gaining control of trade routes throughout Europe, conquering kingdoms as far as Africa, and building outposts in North America. What was the secret to their success? Jan Bill dives into th...

Tennis legend Billie Jean King isn't just a pioneer of women's tennis -- she's a pioneer for women getting paid. In this freewheeling conversation, she talks about identity, the role of sports in social justice and the famous Battle of the Sexes match against Bobby Riggs.

In 1960, composer John Cage went on television to share his latest work. But rather than using traditional instruments, Cage appeared surrounded by household clutter, including a bathtub, ice cubes, a toy fish, a rubber duck, several radios, and performed "Water Walk." Most people watching had the same question: is this even music? Hanako Sawada...

Computer science began in the '30s ... the 1830s. John Graham-Cumming tells the story of Charles Babbage's mechanical, steam-powered "analytical engine" and how Ada Lovelace, mathematician and daughter of Lord Byron, saw beyond its simple computational abilities to imagine the future of computers.

For the longest time, doctors basically ignored the most basic and frustrating part of being sick -- pain. In this lyrical, informative talk, Latif Nasser tells the extraordinary story of wrestler and doctor John J. Bonica, who persuaded the medical profession to take pain seriously -- and transformed the lives of millions.

John Hunter puts all the problems of the world on a 4'x5' plywood board -- and lets his 4th-graders solve them. At TED2011, he explains how his World Peace Game engages schoolkids, and why the complex lessons it teaches -- spontaneous, and always surprising -- go further than classroom lectures can.

John Maeda, former President of the Rhode Island School of Design, delivers a funny and charming talk that spans a lifetime of work in art, design and technology, concluding with a picture of creative leadership in the future. Watch for demos of Maeda's earliest work -- and even a computer made of people.

What can you hear in silence? In this exploration of sound, host of the podcast "Twenty Thousand Hertz" Dallas Taylor tells the story of arguably the most debated musical composition in recent history -- composer John Cage's iconic piece 4'33" -- and invites you to take notice of the soundscape around you. Watch to the end to experience a perfor...

When you think about Einstein and physics, E=mc^2 is probably the first thing that comes to mind. But one of his greatest contributions to the field actually came in the form of an odd philosophical footnote in a 1935 paper he co-wrote — which ended up being wrong. Chad Orzel details Einstein's "EPR" paper and its insights on the strange phenome...

Why do we like an original painting better than a forgery? Psychologist Paul Bloom argues that human beings are essentialists -- that our beliefs about the history of an object change how we experience it, not simply as an illusion, but as a deep feature of what pleasure (and pain) is.

We get stronger, not weaker, by engaging with ideas and people we disagree with, says Zachary R. Wood. In an important talk about finding common ground, Wood makes the case that we can build empathy and gain understanding by engaging tactfully and thoughtfully with controversial ideas and unfamiliar perspectives. "Tuning out opposing viewpoints ...

When global leaders think about which industries can fuel economic growth, the arts are often overlooked. But filmmaker Mehret Mandefro says the creative sector actually has the power to grow economies -- while also helping safeguard democracy. In this captivating talk, she shares a behind-the-scenes look at how she's putting culture back on the...

Paddy Ashdown believes we are living in a moment in history where power is changing in ways it never has before. In a spellbinding talk he outlines the three major global shifts that he sees coming.

Artist Aaron Koblin takes vast amounts of data -- and at times vast numbers of people -- and weaves them into stunning visualizations. From elegant lines tracing airline flights to landscapes of cell phone data, from a Johnny Cash video assembled from crowd-sourced drawings to the "Wilderness Downtown" video that customizes for the user, his wor...

"Leaving out information can be just as detrimental as a lie,” says multidisciplinary artist Paul Rucker. In a talk bookended by two cello performances, he shares photographs of the history we often omit — and introduces Cary Forward, his new museum aimed at spotlighting histories of exclusion and perseverance.

Michael Shermer says the human tendency to believe strange things -- from alien abductions to dowsing rods -- boils down to two of the brain's most basic, hard-wired survival skills. He explains what they are, and how they get us into trouble.

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.

In this absorbing look at emerging media and tech history, Peter Hirshberg shares some crucial lessons from Silicon Valley and explains why the web is so much more than "better TV."

This talk paints the funny and touching story of a little boy who pursued a simple passion: to draw and write stories. With the help of a supporting cast of family and teachers, Jarrett J. Krosoczka tells how he grew up to create beloved children's books.

Musician and activist Bono accepts the 2005 TED Prize with a riveting talk, arguing that aid to Africa isn't just another celebrity cause; it's a global emergency.

John Bell is one of Australia’s most illustrious theatre personalities. Award-winning actor, acclaimed director, risk-taking impresario, torch-bearing educationalist and speaker on leadership; John has been a key figure in shaping the nation’s theatrical identity as we know it. John Bell has walked side-by-side with Shakespeare for the past 60 ...

Raising children as a single parent is exhausting—mentally, emotionally, physically. Statistics are both sad and scary on children raised in a single-parent home. If it truly takes a village to raise a child, what can the you do as part of the that village to help? You’ll be surprised that the answer is unexpectedly simple yet incredibly impactful.

Bly suggests how mergers and acquisitions are some of the most beneficial ways to become an entrepreneur and grow your company.

Is it possible to rewrite the story of a relationship? In her humorous and inspiring talk, Gini Ballou describes her choice when caring for her mother at the end of her mother's life.

For the last half millennium, scientific curiosity has driven a series of technological revolutions that powers today’s economy and dominates our way of life. About 500 years ago, studies of the motions of the planets and Moon led to mechanics. Mechanics led to the Industrial Revolution. Investigation of electricity, magnetism, and atoms led ...

In this talk, Juanah reflects on Sierra Leone's agricultural productive potential and proffers solutions on how the country can attain food sufficiency / security. He shares his idea by giving an overview on agriculture and development related stats about Sierra Leone, which includes the good and the (mostly) bad.

Joan Margarit y Biel Juste lanzaron Twojeys en julio de 2019, tras un viaje por carretera por la costa oeste estadounidense. Amigos y socios, tuvieron la idea de fundar una empresa de joyería masculina y digital que plasmara sus gustos. Actualmente facturan más de 5M de euros (2020).