One baby could test the limits of your body and patience. But what if you gave birth to eight babies? How could this process destroy your body? Would you have to give...
Electric cars have always seemed like the wave of the future. Countless movies have made us yearn for cars that run on batteries and can be charged from the owner’s home...
It looks exhilarating in the movie “Top Gun,” but flying a fighter jet could be one of the worst things you’ll ever experience. You’ll soar...
The captain sounds the alarm. The waters around the ship rumble. Strange lights from deep below inch closer and closer to you. Something is emerging from the Mariana...
Deep under Europa’s thick icy surface lies an ocean larger than all of Earth’s oceans combined. But it’s pretty useless way out there. Let’s ship that water back to...
When you face an uncomfortable situation, you might choose to run and hide. But wouldn’t it be easier if you could suddenly blend into your surroundings? In what ways...
Billions of years in the future, the Sun will begin to die. And this is what our planet would look like. But what if we turn things up a notch or two right now...
They’re cute, they’re cuddly and they’re vicious. Koala bears might not be known for their attacks, but their sharp claws and strong teeth show that...
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...
You’ve had a rare steak before, but this is just ridiculous. Believe it or not, some people’s diets consist of all raw meat, all the time. But wouldn’t...
No, that’s not Photoshop. That’s an actual video from the International Space Station of the Moon looking a bit squished. Wow, so what happened here? Is the...
They don’t call this creature the assassin for nothing. It can kill you with a single touch. Its body is covered in sharp spines that will inject you with potent...
Welcome to the longest staring contest of your life. You’re about to go seven days without blinking. What device would keep your eyes forced open? How long would it take...
Can you imagine falling 10,000 meters (33,000 ft) from a plane, being trapped underwater for days or surviving a massive radioactive discharge? All this seems like a...
The gruesome images of war filled you with rage. You can’t stand injustice and won’t stay arms crossed. Thousands of people feel the same way. Together you...
Uncontrollable itching. Sleepless nights. Incredible stench. Uh oh, it looks like you could have a head lice infestation. Where would you get the lice from? How fast...
During Earth’s early days, a gargantuan collision left our planet spinning at an angle. That slight incline allowed life as you know it to flourish. But what if this...
OK, if you’re a regular viewer of What If, you know we’ve already explored the idea of finding silicon-based alien life. But what if we didn’t have to...
Greetings, future moonling. That’s right. You are among the first generation of children born on the Moon. How would your birth compare to every previous human’s...
Welcome to your worst nightmare. You’ve lost your balance and fell into a pool of slimy parasitic animals that eat only one thing. Your blood. What would happen if...
