Earth has seasons, but what about the rest of the planets in the solar system? Let’s take a tour from Mercury to Pluto and see what seasons would be like on all our planetary neighbors. Bring a sweater!

Honeycomb. Strawberries. Flower pods. Some people find these things incredibly scary. We call this extreme fear trypophobia. But why does it exist?

Over the past two decades, jellyfish have begun to overwhelm our oceans. If things stay on their current trajectory, we could be headed for a future where the entire ocean is thick with jellyfish. So, is there anything that can keep...

In 2003, Singapore's national water agency launched an unprecedented program to provide more than 50% of their nation's water supply by recycling wastewater. The program had been planned for decades to ensure the island nation never ran...

It's not just you: the weather is getting worse. And if there's one person who would know, it's "America's weatherman," Al Roker, who's spent decades reporting live from some of the worst storms and natural disasters in history. He...

The shipping industry is vital to the global economy, but it's also a huge contributor to the climate crisis. Morten Bo Christiansen, a leader of the energy transition for the global shipping company A.P. Moller – Maersk, talks to TED's...

Artist Ersin Han Ersin invites us to step inside a giant sequoia tree, peering through the bark into the tapestry of life within. Discover how his multisensory installations explore the concept of "umwelt," or the unique sensory...

2023 Audacious Project grantee Wanjira Mathai is at the forefront of re-greening the planet. Through the forest restoration initiative Restore Local, she's working to help both Africa's people and its landscapes flourish. Learn more...

Despite alligators ruling the swamplands of the Everglades for millennia, the last 500 years have brought deadly new predators that challenge their reign. And the origins of these international invaders are just as unexpected as their...

With data as his paintbrush, media artist Refik Anadol trains AI algorithms to visualize the disappearing wonders of nature. He gives a beautiful tour of his recent work -- imagery of artificial coral reefs, flowers, rainforests -- and...

What would it take to make global supply chains cleaner and greener? Bo Cerup-Simonsen -- who's helping decarbonize the maritime industry as CEO of the Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping -- discusses why tenacious...

Climate action is speeding up -- and we each have the power to push that transformation forward. As the head of the UNFCCC, the UN's entity supporting the global response to climate change, Simon Stiell points to clear social and...

We tend to think of evolution as a slow, gradual process playing out over millions of years. But evolutionary biologist Shane Campbell-Staton says nature is now changing at breakneck speed to keep up with the world humanity has built....

What if we could hear nature's ultrasonic communication -- and talk back? From a bat's shrill speech to a peacock's infrasound mating call, conservation technology researcher Karen Bakker takes us through a sound bath of animal noises...

Decision theorist Eliezer Yudkowsky has a simple message: superintelligent AI could probably kill us all. So the question becomes: Is it possible to build powerful artificial minds that are obedient, even benevolent? In a fiery talk,...

Lethal drones with facial recognition, armed robots, autonomous fighter jets: we're at the dawn of a new age of AI-powered warfare, says technologist Alexandr Wang. He explores why data will be the secret weapon in this uncharted...

Megafires, or fires that burn more than 100,000 acres, are becoming more frequent worldwide, wreaking havoc on landscapes and communities -- and fire experts say the problem is only going to get worse. George T. Whitesides is focused on...

Nature can be pretty noisy, but there's some stuff that's just quiet all the time - right? Well, thanks to advances in audio equipment, researchers are finding out that everything from plants to bacteria have a lot more to say that we...

Humans may use fiber optic technology to make everything from novelty desk toys to high speed internet cables, but Nature has its own ideas. For decades, scientists have debated to what extent polar bears may use the optical properties...

The strange, sooty fungus growing on distillery walls has long been considered part of the process of making barrel-aged boozy beverages. And this fungus has a lot of tricks up its sleeve to make the most out of ethanol, which to most...

If you see an acorn sprout under an oak tree, you're seeing that tree's grandchild. Here's why half of all higher plants are invisible, and why it works for them.

Jewel beetles are pretty eye-catching with their glossy, bright coloration. But if you were a small creature that needed to avoid predators, you might think that eye-catching is the last thing you'd want to be. But it turns out that...

One of the toughest materials known to science is made not by humans, but by nature... and it's inside of oysters.

Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence.