This bug can survive anything, except maybe the bottom of your shoe. But what would happen if we squished every cockroach on Earth? How would this affect the food chain...
Coastal cities across the globe are planning how they will keep the sea away as it rises. One solution? Just move the city. How much would it cost? How do you lift a...
Returning for a second term in office, President Trump promised to crack down on illegal immigration using ICE – the U.S. Immigration and Customs Enforcement...
Imagine if we could collect the energy out of thin air. And I mean it quite literally. You know how you were taught that a vacuum is nothing but empty space? That...
Sandworms are gross-looking little things. Maybe a little bit cute. I almost feel bad using them as bait. What if instead of us hunting them, they were able to hunt us...
Human history has been full of battles and wars, some big and some small. But if World War 3 were to happen, it might be humanity’s biggest battle yet. Advanced...
They can lift 5,000 times their body weight. They have armies in the thousands. And they outnumber us a million to one. But ants are tiny, right? Yeah, that’s not going...
Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...
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 if, instead of Trump or Biden becoming the next U.S. President, there was a third-party candidate? And that candidate was Elon Musk? What if Elon Musk became the...
Imagine an enormous football stranded in the Solar System. I mean, the Earth shaped like one. What could cause our planet to change its shape so drastically? And what...
Millions of years ago, the megalodon shark was one of the scariest creatures to ever lurk in our seas. And even before that, the mosasaurs reigned supreme, terrorizing...
There’s a reason why the idea of aliens living at the bottom of the sea keeps popping up in popular culture. Many of us are far more afraid of what lies down there than...
What if I told you that every time you’re asleep in your bed at night, your private thoughts might be compromised? What if, when you’re dreaming about all your hopes...
It’s been 100 Earth years since you settled on Mars. You’ve been through pain, loneliness and a lot of hard work. And now Mars is the new promised land everyone...
Imagine that the Sun is on the verge of exploding. Or that a planet-killing asteroid is headed our way. Or maybe you just want to take the entire planet on a joy ride...
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...
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...
Let’s face it. We’re hooked on the stuff. Most of us can’t even start our day without a nice cup of joe. According to the International Coffee Organization, over 1...
If you’re watching this right now, you’ve probably used antibiotics at some point in your life. But did you really need to? The Centers for Disease...

