This is one of the most beautiful tropical islands on Earth, but the view comes at a high price. You’d have to deal with giant riptides, hungry great white sharks, and...
Whenever people imagine World War III, the question is always the same: who would win? The United States, Russia, or China are usually seen as the three most powerful...
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...
When people think about space threats, they usually imagine asteroid impacts, solar storms, or distant supernova explosions. But some scientists warn that the most...
volcano is one of the most unforgiving natural phenomenons on Earth. If you were to fall into its magma-filled center, your body would quickly bubble up, and disappear...
Let's say, the Earth's magnetic field took a break and allowed strong solar winds to strip away our protective space-blanket. Would Earth instantly turn into a big...
After getting picked up and handcuffed, you’re brought onto a bus with other detainees. You cross the “Bridge of Pain” and are escorted to your new home for the...
Humanity’s nuclear arsenal is capable of destroying all life on Earth. Over. And over. And over. Maybe it’s time we dumped it far away. We might want to inhabit...
Flooding, devastation, and disease. What could all these awful things have in common? Rain. And lots of it. We’re not talking April showers here. So, imagine a...
You are fishing on a calm lake under a bright, sunny sky when something suddenly feels wrong. A strange rotten egg smell fills the air, your boat begins rocking...
Deep beneath Greenland’s frozen surface lies the remains of a secret military base that was once part of one of the most ambitious Cold War projects ever attempted...
You’re in the deepest part of our oceans. The Mariana Trench. Suddenly, your sub experiences an earthquake. And when you look outside, you see the terrifying...
The Sun isn’t the biggest thing in our Solar System. And it’s not Jupiter, either. But close. It’s Jupiter’s very own magnetic field. What would it be...
Every rocket we launch brings us one step closer to being locked on this planet permanently. That sounds backwards. Sending things into space should open it up, not...
A series of powerful earthquakes recently struck Venezuela, including two major tremors measuring around magnitude 7.2 and 7.5. The back to back quakes hit west of...
Let’s face it. There are A LOT of us, and it’s getting more than a little crowded. Right now, there are over 7.7 billion people on Earth, and the United Nations predicts...
Phil Bronstein thought he was about to get a rare photograph. In 2001, the journalist was visiting the Los Angeles Zoo with his then wife, actress Sharon Stone. During...
Imagine never being able to dream of landing on Mars or traveling to Saturn. Not because it’s impossible to get there, but because they didn’t exist. Because...
They’re fast. They’re sticky. And they are deadly. These lizards can chase you on land, water and even air. Their camouflage helps them hide in the wild...
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...

