Life on Earth is far more resilient than it first appears. From scorching deserts to freezing oceans, and even places touched by radiation or near total isolation...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
Hidden deep within the lush forests of northeastern India are bridges unlike any others on Earth. They aren’t built from steel, concrete, or wood. Instead, they...
Pangolins are now critically endangered in Asia because of poachers and traffickers. But why is there so much demand for them? And why are they so important to their...
On our hypothetical journey, we’ve already tested out living on a flat Earth, a cubical Earth, even a hollow Earth. What do you say we try to survive on an Earth...
For centuries, the Amazon rainforest has been seen as one of the last truly unexplored places on Earth. Covering millions of square kilometers, it is home to countless...
Six hundred and thirty five light years from Earth lies a world that continues to capture the imagination of scientists and space enthusiasts alike. It is called Kepler...
Your hike in the woods ran a little late, and suddenly it’s pitch dark. You can’t see much, except for a pair of round, yellow lights. But they have started...
Dan Wherley never thought of beavers as dangerous. Slow, harmless, busy building dams somewhere out of the way. That opinion changed in about two seconds, when one leapt...
With all the work to do, people to see, traffic jams to get stuck in, we all sometimes wish we could be in two places at once. We’ve already cloned sheep, cows...
Mohamedou Ould Slahi had never thought that going to the police would result in him spending years in one of the world’s most notorious prisons. When he was in...
China invading the U.S. is something that could turn the world on its head. Could the U.S. mobilize in time to respond? Would this be the start of World War III? The...
The universe is vast, ancient, and mostly silent. For decades, scientists have pointed their telescopes toward distant stars, searching for signs of intelligent life. We...
Dinosaurs often steal the spotlight when it comes to terrifying prehistoric creatures, but they were far from the only fearsome beasts to roam the Earth. From enormous...
Few names have defined an era of politics quite like Vladimir Putin’s has defined modern Russia. A former officer in the KGB, he has spent more than twenty years...
We encounter millions of microbes every day without even realizing it. Most are harmless, but some can spread illness through the surfaces we touch the most. From places...
Don’t you just love fresh air? And feeling healthy? If only that were possible. That deep, relaxing breath you thought you just took, is full of microscopic...
Imagine landing on a planet where the surface looks frozen but burns hotter than your oven. Welcome to Gliese 436b, one of the strangest known planets in the universe...
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A Six-Year-Old Boy Had Headaches After a River Swim, and Doctors Found the Cause Inside His Nose
Most leeches are small enough to fit on a fingertip, but some species can grow to astonishing sizes. In the rivers of South America, certain leeches have adapted to...
The Stone Age started 2.6 million years ago and ran for nearly 2.5 million years. Across that span, our ancestors survived three ice ages, chronic shortages of food, and...
