When humans are gone, nature will reclaim our cities and break down much of what we've built. But some of the things we've made will last much longer than others, and they're probably not the things you'd expect.

The US political system is broken — and the solution might be in the palm of your hands, says political strategist Bradley Tusk. Drawing on his deep experience with government and technology, he makes the case for allowing Americans to...

When people picture New York City they see skyscrapers, subways, and a concrete jungle. But the Big Apple is really a seaside city built on an archipelago. In the wake of a century of industrial pollution and climate change-fueled...

The moon may be 1.3 light-seconds away, but why on earth do we measure distances using time?

How can you find strength during life's most difficult moments? Author Suleika Jaouad's experience detailed in the documentary "American Symphony," an intimate portrait of her life as she grapples with illness, is a testament to finding...

Instead of seeing life's challenges as obstacles, I see them as an obstacle course — a fascinating array of tests that I'm curious to see if I can pass, says community builder Maryam Banikarim. Telling the story of her experience...

It's more than climate change putting coastal cities at risk of catastrophic flooding. Subsidence, or sinking, affects cities as they pump out groundwater to use. The solution might be as simple as putting it back.

Supersonic jets like the Concorde face concerns over safety, high carbon output, and cost. They also make loud sonic booms so loud that only transoceanic flights are legal. Now one NASA program is trying to make a quiet supersonic plane...

Mildred Dresselhaus was a giant in the field of nanoscience. She didn't invent anything you have in your home right now, but she made it possible for us to have self-charging phones, smarter refrigerators, and more.

Luckily, we live in a time where we don't have to worry about smallpox anymore. It's a horrible disease, but through smart vaccination techniques, we took it from killing millions worldwide, to being eradicated from the planet!

While children are only a small minority of those who test positive for COVID-19, we’re starting to see evidence of a rare, but serious, complication in children that resembles a condition known as Kawasaki disease. Here’s what doctors...

Hank sits down with clinical sexologist Dr. Lindsey Doe and talks about 'fighter sperm'. Then Jessi from Animal Wonders comes on to show off her Quaker Parrot the 'monogamous bird'. -----------

Airplanes are one of the quickest ways to get anywhere, but commercial jets haven't gotten much fast since the 1950's. Why is that?

Did you know that the scientist who invented germ theory was disbelieved for over a decade? There are many brilliant scientists who's genius wasn't believed until many years later. Join Hank Green for a new episode of SciShow and learn...

Things can go wrong in scientific experiments sometimes, but when it comes to engineering, getting things wrong can be disastrous.

Tapping into the transformational power of costume, concept artist Machine Dazzle takes us on a maximalist journey through art, history and fashion. From a jaw-droppingly intricate '60s bouffant ensemble to a 24-hour show of extravagant...

Is it possible for taking action on climate change to make you feel happy? Behavioral scientist Jiaying Zhao believes that's the only way we'll create lasting, sustainable change. From treat meals to feng shui fridges, she offers eight...

The 1930s in the United States were pretty bad for employment in all industries, and the theater was no exception. As part of Roosevelt's New Deal, the Works Progress Administration created a division called the Federal Theatre Project....

Restaurateur Will Guidara's life changed when he decided to serve a two-dollar hot dog in his fancy four-star restaurant, creating a personalized experience for some out-of-town customers craving authentic New York City street food. The...

Mass surveillance is worse than you think, but the solutions are simpler than you realize, says lawyer, technologist and TED Fellow Albert Fox Cahn. Breaking down the crude tactics law enforcement uses to sweep up massive amounts of data...

Introducing a new type of public space, custom-fit for communities in need of a shot of hope and wonder. Artist and TED Fellow Matthew Mazzotta takes us across the US, sharing delightful projects that refresh space and place, spark...

Feeling disconnected from creating art within classical conventions, artist Georgia O'Keeffe began experimenting with abstract drawings that defied easy classification. Using the shapes and rhythms of nature to capture her internal...

We’re continuing our discussion of nineteenth-century American theater with a look at some upsetting parts of the US's theatrical past. In the nineteenth century, race and racism contributed to a unique and troubling performance...

People have struggled to understand some hypotheses scientists had, which are correct but were disclaimed back then. So here’s the 5 scientists and their ideas that nobody believed.

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