Luvvie Ajayi isn't afraid to speak her mind or to be the one dissenting voice in a crowd, and neither should you. "Your silence serves no one," says the writer, activist and self-proclaimed professional troublemaker. In this bright,...

Scientists may have discovered up to 31 more cryovolcano remnants on Ceres, and the Iridium flares are slowly being allowed to burn up in our atmosphere, so see them while you still can!

Keith Bellows gleefully outlines the engineering marvels of the camel, a vital creature he calls "the SUV of the desert." Though he couldn't bring a live camel to TED, he gets his camera crew as close as humanly possible to a one-ton...

Several rovers on Mars's surface are currently in operation, including one you might not have heard of: China’s Zhurong rover. It's already spent over a year on the Martian surface and is bringing us ever closer to understanding the...

It may be an impossible questions, but we can at least get close.

Hank tells us about laser fusion, the sequencing of the gorilla genome, some evidence of life elsewhere in the universe, a revolution in gaming, and his top five Irish scientists.

The universe is incredibly old, astoundingly vast and populated by trillions of planets -- so where are all the aliens? Astronomer Stephen Webb has an explanation: we're alone in the universe. In a mind-expanding talk, he spells out the...

There are so many tiny, beautiful, funny, tragic moments in your life -- how are you going to remember them all? Director Cesar Kuriyama shoots one second of video every day as part of an ongoing project to collect all the special bits...

In 1982, a young nurse was suffering from severe, unrelenting depression. She couldn’t work, socialize or concentrate. One controversial treatment changed everything: after two courses of electroconvulsive therapy (ECT) her symptoms...

Less than a tenth the size of an ant, a dust mite's whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses, but from our perspective, the tiny specks of brilliant color blend...

Early education is critical to children's success -- but millions of kids in the United States still don't have access to programs that prepare them to thrive in kindergarten and beyond. Enter the UPSTART Project, a plan to bring early...

In the 1860's, 11 southern states withdrew from the United States and formed the Confederacy. They seceded in response to the growing movement for the nationwide abolition of slavery. Yet barely a year after the Civil War ended, southern...

In one day, in one city, in one neighborhood -- what if everyone put their guns down? Erricka Bridgeford is a peacemaker who wants to stop the murders and violence in her hometown of Baltimore. So she helped organize the Baltimore...

TED Fellow Alicia Eggert takes us on a visual tour of her work -- from a giant sculpture on an uninhabited island in Maine to an installation that inflates only when people hold hands to complete an electric current. Her work explores...

South African singer-songwriter Vusi Mahlasela dedicates his song, "Thula Mama," to all women -- and especially his grandmother.

Every seven years, designer Stefan Sagmeister closes his New York studio for a yearlong sabbatical to rejuvenate and refresh their creative outlook. He explains the often overlooked value of time off and shows the innovative projects...

You are more than you think you are, says former pro wrestler Mike Kinney -- you just have to find what makes you unique and use it to your advantage. For years Kinney "turned up" the parts of himself that made him special as he invented...

SciShow Space tackles a viewer question: Is the Earth getting heavier? The answers -- there's actually more than one -- may surprise you!

Paul Andersen explains how changes in the signal transduction pathway can affect organisms. He begins with a brief discussion of the tetrodotoxin produced by the California Newt and then explains how anthrax affects adenylate cyclase...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.

"The hood is good," says Jon Gray of the Bronx, New York-based creative collective Ghetto Gastro. Working at...

India's big cities have some of the worst air quality in the world. How can we fix this public health crisis? In an actionable talk, social entrepreneur Arunabha Ghosh lays out a five-step plan to put India on the path to cleaner, safer...

In 2011, eye surgeon and TED Fellow Andrew Bastawrous developed a smartphone app that brings quality eye care to remote communities, helping people avoid losing their sight to curable or preventable conditions. Along the way, he noticed...

Biochar is a kind of charcoal that removes CO2 from the atmosphere, helping yield healthy crops and even producing abundant renewable energy in the form of electricity as it's made. This exciting climate change fighter is ready for...

Since 2000, the annual number of people convicted of crimes in the United States has stayed steady, but the average number of people in jail each year has shot up. How can that be? The answer lies in the bail system— which isn't doing...