Science can help solve the world’s most important problems, and what could be more important than keeping pee off your shoes? Yes, even the lowly urinal—and those who use it—can benefit from the occasional peer-reviewed study. So let’s...

Energy expert Sebastián Kind helped Argentina go from virtually no renewable energy to generating nearly 40 percent of its electricity from wind and solar in just six years, despite economic crises and skepticism. How did the country's...

Africa’s booming youth population is often seen as a "jobless generation." But in Kenya alone, young people are already adding more than 530 million dollars a month to the economy through informal businesses. Social entrepreneur Anuj...

Clean energy visionary Lei Zhang loves the Gobi Desert — the most Mars-like place on Earth. Why? Because of the promise it holds to provide the free, abundant solar and wind energy to fuel humanity’s next leap forward. Sharing the story...

Insurance is the hidden engine that keeps the economy churning, but climate change is making home insurance unaffordable for many people, says climate risk advisor Amy Barnes. She reveals why soaring premiums aren't just bad news for...

What if AI could help you make the perfect video game — in seconds? In this cutting-edge demo, 3D AI innovator Kiran Bhat co-creates a never-before-seen Roblox world with the TED audience — transforming the crowd’s suggestions into a...

You may think of particle accelerators as massive underground tunnels like the Large Hadron Collider. But a new generation of accelerators are small enough to fit on a coin. Now the challenge is making them useful.
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The Pyramids of Giza have fascinated and confused us for hundreds of years, and while we know a lot about who built them and how they were made, one question that has remained is why they are where they are. And the answer to that...

In November 2023, NASA's Lucy spacecraft flew by the asteroid Dinkinesh and made a startling discovery: not only does this small asteroid have an even smaller companion (named Selam), that companion is shaped like a two-tier snowman....

You've probably heard that climate change is leading to rising sea levels, which is bad news for lots of islands. But for some islands like the Maldives, rising waters are making them... bigger?



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How does the information from mRNA turn into a protein? It all comes down to translation, where nucleotides are translated into a chain of amino acids. In this episode of Crash Course Biology, we’ll cover codon-reading ribosomes, tRNA...

Tech innovator Avni Patel Thompson designed an app to shield busy parents from the chaos of scheduling school pickups, coordinating playdates, planning birthday parties and more — but as the product developed, something felt off. What...

Conflict is an unavoidable part of any relationship. But what if the point of arguing isn't to win, but rather to grow from the experience? Facilitator Darya Shaikh presents a powerful framework for managing conflicts, showing how you...

For social media creator and viral video hitmaker Jenny Hoyos, the key to telling a great story is to keep it brief. She breaks down her framework for telling stories in 60 seconds or less that can gain millions of views online — or...

Why are we using tech from 100 years ago to deliver the world's electricity? Materials scientist Jason Huang shows how we could massively upgrade the global power grid by replacing the wires in existing transmission lines with new,...

New tech spawns new anxieties, says scientist and philosopher Grady Booch, but we don't need to be afraid an all-powerful, unfeeling AI. Booch allays our worst (sci-fi induced) fears about superintelligent computers by explaining how...

The option to work from home means that work truly works for everyone, says Avani Prabhakar, chief people officer of a large tech company. She explains how flexibility and asynchronous collaboration in a distributed workplace can unlock...

Globally, we produce more than a trillion computer chips every year. Which means about 20 trillion transistors are built every second— and this process is done in fewer than 500 fabrication plants. How do we build so many tiny,...

While doom and gloom may wake people up, joy keeps them in the fight, says drag queen and environmentalist Pattie Gonia. With humor, creativity and a dress made of thrifted shower curtains and upcycled pink flamingo pool floaties, Pattie...

Sewers are a great way to make pooping safe, but they’re not always the right solution because they require specific resources that many places just don’t have.

The Grand Canyon is super-wide and super-deep, which might make you think that the Colorado River, which carved it, is particularly old or powerful. Or at least that's what I thought.

Friendships can change how we see and move through the world. They can boost our academic performance, help us deal with setbacks, and even improve our health. And the relationships we form in adolescence can shape our beliefs, values,...

Long ago, an emperor decided to build a great wall to protect his new empire and ensure his power. He ordered men across China to leave their homes and submit to the grueling labor required for its construction. As years passed and the...

Humans have known about the toxicity of death cap mushrooms for millennia. Yet they continue to pose a significant threat to unsuspecting foragers and mushroom hunters throughout the world. Today, death caps are responsible for more than...