TED Talks
TED: Glow-in-the-dark sharks and other stunning sea creatures | David Gruber
Just a few meters below the waves, marine biologist and explorer-photographer David Gruber discovered something amazing -- a surprising new range of sea creatures that glow in many colors in the ocean's dim blue light. Join his journey...
TED Talks
TED: What the discovery of gravitational waves means | Allan Adams
More than a billion years ago, two black holes in a distant galaxy locked into a spiral, falling inexorably toward each other, and collided. "All that energy was pumped into the fabric of time and space itself," says theoretical...
TED Talks
Lynn Rothschild: The living tech we need to support human life on other planets
What would it take to settle Mars? In a talk about the future of space exploration, Lynn Rothschild reviews the immense challenges to living elsewhere in the universe and proposes some bold, creative solutions to making a home off planet...
TED Talks
Carolyn Porco: Could a Saturn moon harbor life?
Carolyn Porco shares exciting new findings from the Cassini spacecraft's recent sweep of one of Saturn's moons, Enceladus. Samples gathered from the moon's icy geysers hint that an ocean under its surface could harbor life.
TED Talks
TED: How to take a picture of a black hole | Katie Bouman
At the heart of the Milky Way, there's a supermassive black hole that feeds off a spinning disk of hot gas, sucking up anything that ventures too close -- even light. We can't see it, but its event horizon casts a shadow, and an image of...
TED Talks
Wendy Freedman: This telescope might show us the beginning of the universe
When and how did the universe begin? A global group of astronomers wants to answer that question by peering as far back in time as a large new telescope will let us see. Wendy Freedman headed the creation of the Giant Magellan Telescope,...
TED Talks
TED: Why we need to imagine different futures | Anab Jain
Anab Jain brings the future to life, creating experiences where people can touch, see and feel the potential of the world we're creating. Do we want a world where intelligent machines patrol our streets, for instance, or where our...
TED Talks
Erin Sullivan: Does photographing a moment steal the experience from you?
When we witness something amazing, many of us instinctively pull out our phones and snap pictures. Is this obsession with photographing everything impacting our experiences? In a meditative talk, Erin Sullivan reflects on how being more...
TED Talks
Richard Preston: The mysterious lives of giant trees
Science writer Richard Preston talks about some of the most enormous living beings on the planet, the giant trees of the US Pacific Northwest. Growing from a tiny seed, they support vast ecosystems -- and are still, largely, a mystery.
TED Talks
TED: Hunting for dinosaurs showed me our place in the universe | Kenneth Lacovara
What happens when you discover a dinosaur? Paleontologist Kenneth Lacovara details his unearthing of Dreadnoughtus -- a 77-million-year-old sauropod that was as tall as a two-story house and as heavy as a jumbo jet -- and considers how...
TED Talks
Johnny Lee: Free or cheap Wii Remote hacks
Building sophisticated educational tools out of cheap parts, Johnny Lee demos his cool Wii Remote hacks, which turn the $40 video game controller into a digital whiteboard, a touchscreen and a head-mounted 3-D viewer.
TED Talks
Freeman Dyson: Let's look for life in the outer solar system
Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like -- and how we might find it.
TED Talks
TED: Hunting for Peru's lost civilizations -- with satellites | Sarah Parcak
Around the world, hundreds of thousands of lost ancient sites lie buried and hidden from view. Satellite archaeologist Sarah Parcak is determined to find them before looters do. With the 2016 TED Prize, Parcak is building an online...
TED Talks
Charles Elachi: The story behind the Mars Rovers
At Serious Play 2008, Charles Elachi shares stories from NASA's legendary Jet Propulsion Lab -- including tales and video from the Mars Rover project.
TED Talks
Andrew Blum: Discover the physical side of the internet
When a squirrel chewed through a cable and knocked him offline, journalist Andrew Blum started wondering what the Internet was really made of. So he set out to go see it -- the underwater cables, secret switches and other physical bits...
TED Talks
TED: The story of 'Oumuamua, the first visitor from another star system | Karen J. Meech
In October 2017, astrobiologist Karen J. Meech got the call every astronomer waits for: NASA had spotted the very first visitor from another star system. The interstellar comet -- a half-mile-long object eventually named `Oumuamua, from...
SciShow
The Latest From Mars: Day 2
Hank briefs us on the current status of the Mars Science Laboratory, and gives us a taste of what we can hope to see coming from it in the next few months, and during the rest of its two year mission.
TED Talks
Bill Stone: Inside the world's deepest caves
Bill Stone, a maverick cave explorer who has plumbed Earth's deepest abysses, discusses his efforts to mine lunar ice for space fuel and to build an autonomous robot for studying Jupiter's moon Europa.
TED Talks
Jennifer 8. Lee: The hunt for General Tso
Reporter Jennifer 8. Lee talks about her hunt for the origins of familiar Chinese-American dishes -- exploring the hidden spots where these two cultures have (so tastily) combined to form a new cuisine.
TED Talks
Graham Hawkes: A flight through the ocean
Graham Hawkes takes us aboard his graceful, winged submarines to the depths of planet Ocean (a.k.a. "Earth"). It's a deep blue world we landlubbers rarely see in 3D.
TED Talks
Brian Cox: What went wrong at the LHC
In this short talk from TED U 2009, Brian Cox shares what's new with the CERN supercollider. He covers the repairs now underway and what the future holds for the largest science experiment ever attempted.
TED Talks
Seth Shostak: ET is (probably) out there -- get ready
SETI researcher Seth Shostak bets that we will find extraterrestrial life in the next twenty-four years, or he'll buy you a cup of coffee. He explains why new technologies and the laws of probability make the breakthrough so likely --...
TED Talks
Carolyn Porco: This is Saturn
Planetary scientist Carolyn Porco shows images from the Cassini voyage to Saturn, focusing on its largest moon, Titan, and on frozen Enceladus, which seems to shoot jets of ice.
TED Talks
TED: This scientist makes ears out of apples | Andrew Pelling
TeD Fellow Andrew Pelling is a biohacker, and nature is his hardware. His favorite materials are the simplest ones (and oftentimes he finds them in the garbage). Building on the cellulose structure that gives an apple its shape, he...