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...
What would happen if the United States and China went to war? On one side, the U.S. stands as the most technologically advanced military force in the world, with...
It’s about to get really hot down on Earth. Because all our oceans suddenly started to boil, sending steam into the atmosphere at an alarming rate. Why would all...
You would live in giant glass domes, and grow small portions of food inside. And if you happen to go outside, it would be in your big clunky spacesuit, and you...
A gas cloud located 500 light years away from our solar system is about to become a planet. This process usually takes a few hundred million years, but what if we made...
All over the world, people are treating bodies of water like they are giant garbage dumps. And experts say that continuing these practices will result in catastrophic...
Wait a minute, Neanderthals are extinct? Before you laugh, check yourself. Neanderthal DNA is 99.7% identical to our own, and researchers claim that some humans might be...
[dx_custom_adunit mobile_id=”RTK_v1lP”] What if…. you could swim in Titan’s lakes? Saturn’s largest moon, Titan, is unique. It has its own...
This star is about to transform into a black hole. And we’re about to travel inside it to see what’s on the other side. The only problem is that we’ll...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Thomas Edison is one of the most famous inventors in history. He had over 1,000 patents and countless inventions...
Right now, only 15% of life on Earth lives in Oceans. Today, we’re gonna crank that up a notch. You, as well as all life on Earth, are moving underwater. Would we have...
Volcanic eruptions can be devastating. So what if we took extreme actions to prevent them? How could we drill into a volcano? What would be the benefits of doing this...
The biggest planet in the Solar System. And the smallest star in the known Universe. Today, they are on a collision course. And Earth might not survive this. Meet the...
Buckle up. We’re going to take the orbit of this rock and kick it into high gear. Behold the Moon breaking its planetary speed limit. How would this event flood...
Deep beneath the Earth’s surface, there’s a scorching ball of iron surrounded by an ocean of boiling hot liquid metal – the Earth’s core...
For billions of years, the Sun’s gravitational has kept Earth’s orbit on a steady and reliable path. But this rogue star has other plans for our planet. This...
Sixty six million years ago, a massive asteroid impact wiped out about three quarters of all life on Earth, including every non avian dinosaur. But what if science could...
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...
Scroll down to watch our video. Unless you’re an astronaut, you probably don’t spend a lot of time thinking about gravity. We all take gravity for granted...
Militaries around the world are money-eating machines. And they keep getting more expensive. In 2019, the world spent $1.917 trillion on all the different militaries...
