As 12 musicians from disparate cultures harmonize their eastern and western scales, they show the long bridges that music can build.

Traveling is tricky right now and, for most, the boundaries of our worlds have shrunk dramatically. So a lot of people are spending a lot more time in virtual places, like Sea of Thieves, Fortnite, Ultima Online and more. Explore how these online worlds help us push past real-world boundaries and have vastly new experiences, even become new vers...

Daryl Hannah gathers TED Talks that span the globe, from the Black Hills Mountains of the United States to the underwater worlds of Antarctica.

Out of billions of galaxies and billions of stars how do we find Earth-like habitable worlds? What is essential to support life as we know it? Ariel Anbar provides a checklist for finding life on other planets. [Directed by Jeremiah Dickey, narrated by Ariel Anbar].

Sure, we're looking beyond the planet to other worlds we may one day inhabit -- but a lot of this technology we've developed can be used for the good of the Earth, too.

Deep in our solar system, a new era of exploration is unfolding. Beneath the thick ice of Europa; in the vapor plumes on Enceladus; and within the methane lakes of Titan, scientists are hunting for extraterrestrial life. These moons are 'ocean worlds'— they contain liquid oceans, which can support the formation of life. Does life exist on ocean ...

When we think about a movie or TV show's unique visuals, we tend to associate it with directors or cinematographers. But who picks the furniture that sits in your favorite character's home -- or decides whether a palace is brutalist or minimalist? In this eye-opening talk, "Game of Thrones" production designer Gemma Jackson explains what goes in...

Games like World of Warcraft give players the means to save worlds, and incentive to learn the habits of heroes. What if we could harness this gamer power to solve real-world problems? Jane McGonigal says we can, and explains how.

Ocean explorer Robert Ballard takes us on a mindbending trip to hidden worlds underwater, where he and other researchers are finding unexpected life, resources, even new mountains. He makes a case for serious exploration and mapping. Google Ocean, anyone?

Some biological structures are so small that scientists can't see them with even the most powerful microscopes. That's where molecular animator and TED Fellow Janet Iwasa gets creative. Explore vast, unseen molecular worlds as she shares mesmerizing animations that imagine how they might work.

Nations can now attack other nations with cyber weapons: silent strikes on another country's computer systems, power grids, dams that leave no trace behind. (Think of the Stuxnet worm.) Guy-Philippe Goldstein shows how cyberattacks can leap between the digital and physical worlds to prompt armed conflict -- and how we might avert this global sec...

For years, tactile photographs for the blind conveyed a limited amount of information about the original image and focused mainly on basic descriptive elements. In this talk, artist and photographer Truls Nord describes a printing technique he developed to help blind people experience photography in all its glory.

Why is J.R.R. Tolkien's Lord of the Rings trilogy so compelling? How about The Matrix or Harry Potter? What makes these disparate worlds come alive are clear, consistent rules for how people, societies -- and even the laws of physics -- function in these fictional universes. Author Kate Messner offers a few tricks for you, too, to create a world...

4,300 years ago in ancient Sumer, the most powerful person in the city of Ur was banished to wander the vast desert. Her name was Enheduanna, and by the time of her exile, she had written forty-two hymns and three epic poems— and Sumer hadn't heard the last of her. Who was this woman, and why was she exiled? Soraya Field Fiorio details the life ...

A unique ecosystem of plants, birds and monkeys thrives in the treetops of the rainforest. Nalini Nadkarni explores these canopy worlds -- and shares her findings with the world below, through dance, art and bold partnerships.

With scissors and paper, artist Béatrice Coron creates intricate worlds, cities and countries, heavens and hells. Striding onstage in a glorious cape cut from Tyvek, she describes her creative process and the way her stories develop from snips and slices.

Many people in the United States and Latin America have grown up celebrating the anniversary of Christopher Columbus's voyage. But was he an intrepid explorer who brought two worlds together or a ruthless exploiter who brought colonialism and slavery? And did he even discover America at all? Alex Gendler puts Columbus on the stand in History vs....

In the grand scheme of history, modern reality is a bizarre exception when compared to the worlds of ancient, precolonial and Indigenous civilizations, where myths ruled and gods roamed, says historian Greg Anderson. So why do Westerners today think they're right about reality and everybody else is wrong? Anderson tears into the fabric of object...

As of 2020, the world's biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it's actually not the biggest battery in the world: a pair of lakes are. How can lakes be a battery? Explore how inventors are rethinking what a battery can be, and how these surprising ...

Taryn Simon exhibits her startling take on photography -- to reveal worlds and people we would never see otherwise. She shares two projects: one documents otherworldly locations typically kept secret from the public, the other involves haunting portraits of men convicted for crimes they did not commit.

Designers spend their days dreaming up better products and better worlds, and you can use their thinking to re-envision your own life, says design professor Bill Burnett. He shares five tips to try, whether you're at the start of your career or contemplating your next act.

We're bringing gameplay into more aspects of our lives, spending countless hours -- and real money -- exploring virtual worlds for imaginary treasures. Why? As Tom Chatfield shows, games are perfectly tuned to dole out rewards that engage the brain and keep us questing for more.

Creative technologist Peter Kirn contemplates the intimate connection between the corporeal and emotional worlds through music. He discusses the physical impact of Beethoven's symphonies, concluding with a live demonstration of an instrument that registers the body's response and generates sound based solely on his physical movements.

James Cameron's big-budget (and even bigger-grossing) films create unreal worlds all their own. In this personal talk, he reveals his childhood fascination with the fantastic -- from reading science fiction to deep-sea diving -- and how it ultimately drove the success of his blockbuster hits "Aliens," "The Terminator," "Titanic" and "Avatar."

Nanahuatl, weakest of the Aztec gods, sickly and covered in pimples, had been chosen to form a new world. There had already been four worlds, each set in motion by its own "Lord Sun," and each had been destroyed. For a new world to be created, another god had to leap into the great bonfire and become the fifth sun. Will Nanahuatl complete the sa...

Kristina Gjerde studies the law of the high seas -- the 64 percent of our ocean that isn't protected by any national law at all. Gorgeous photos show the hidden worlds that Gjerde and other lawyers are working to protect from trawling and trash-dumping, through smart policymaking and a healthy dose of PR.

Cave explorer and geologist Francesco Sauro travels to the hidden continent under our feet, surveying deep, dark places inside the earth that humans have never been able to reach before. In the spectacular tepuis of South America, he finds new minerals and insects that have evolved in isolation, and he uses his knowledge of these alien worlds to...

In the 13th century, Genghis Khan embarked on a mission to take over Eurasia, swiftly conquering countries and drawing them into his empire. But, legend has it that there was one obstacle that even he couldn't overcome: a towering wall of ice, grown by locals across a mountain pass. M Jackson explores the ancient methods of growing glaciers and ...

Danielle Feinberg, Pixar's director of photography, creates stories with soul and wonder using math, science and code. Go behind the scenes of Finding Nemo, Toy Story, Brave, WALL-E and more, and discover how Pixar interweaves art and science to create fantastic worlds where the things you imagine can become real. This talk comes from the PBS sp...

A full third of the world's population -- 2.6 billion people -- play video games, plugging into massive networks of interaction that have opened up opportunities well beyond entertainment. In a talk about the future of the medium, entrepreneur Herman Narula makes the case for a new understanding of gaming -- one that includes the power to create...