The Middle Ages, a time when you were more likely to die on the toilet than take a bath. And now you’re going there with an educational mission. It’s up to...
[dx_custom_adunit mobile_id=”RTK_v1lP”] What if your reality was nothing more than a complex computer simulation? And if you were just a program on someone...
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...
By the year 2035, NASA plans to send humans to Mars. But it would be about a nine-month trip with our current rocket technology. However, in the not-so-distant future...
The delicate balance of the entire Solar System exists in a gravitational dance between planets. Swap the orbits of two of them and you could end up wreaking all kinds...
Family planning. It sounds sensible, but it’s extremely controversial. At least, in some countries. What if it wasn’t? What if the world recognized a...
But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...
It’s the matchup you’ve been waiting for, the clash between some of the biggest titans that ever roamed the Earth. Today, we’re going back in time to...
For thousands of years, humanity has looked up at the stars asking the same question. Are we alone? Then one day, it finally happens. Scientists announce they have found...
You’re lost in the jungle without any other humans around. You need to find a new family. Or your new family could find you. What would it be like to be raised by...
Why is there an alligator lying completely frozen under the ice… and still alive? At first glance, it looks like something out of a frozen wasteland. A solid block of...
Imagine a tornado spinning over an erupting supervolcano. The result would be catastrophic beyond comprehension. While such a collision is incredibly unlikely, exploring...
Look out. A burning hot space rock just fell straight into your living room, destroying all the things you care about most. Goodbye, sweet television. How did this...
On the surface, it looks like pure freedom. A man suspended between sky and earth, a dog beside him, and the vast wilderness of the planet stretching endlessly below...
When people imagine humanity’s future beyond Earth, Mars is usually the first destination that comes to mind. It is close, familiar in some ways, and has been studied...
Imagine if all the Earth’s oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And...
What if every microbe on the planet suddenly disappeared? No more germs. No five-second rule. Just pick that cookie up off the floor and eat it! But surely it...
Scroll down to watch the video. The truth is out there. With thousands of sightings, theories and believers, the creature known as Bigfoot has become the stuff of legend...
It may sound like science fiction, but imagining a battle between a gas giant and a black hole helps us understand just how fragile our Solar System really is. Such a...
Mars didn’t always look like this. It may have once been covered in oceans. But what if we brought all the Martian water back and transformed the red planet into...
