Imagine a world of endless possibilities. A world where every decision you make splits reality in half. And then the next decision splits it into another half. And then...
Scroll down to watch the video. Deep beneath the thick layer of million-year-old ice, something is lurking quietly, waiting to rip through the rigid ice sheets. This...
Falling into a black hole may sound like something from a science fiction movie, but it is a very real phenomenon studied by physicists for decades. Black holes are...
The world you know no longer exists. Your family, friends, and neighbors are gone. Outside, horrific zombie-like creatures roam the streets. And if you breathe in their...
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...
At first thought, volcanoes might seem like the perfect natural disposal system. They are incredibly hot, appear to swallow anything in their path, and seem limitless in...
What if I told you there was a way for you to know what lies ahead for you? Well, science could just have a way to predict your future. And it might become a reality...
Space has lots of different things in it. Planets, nebulas, asteroids, the list goes on. So what would happen if we got rid of a single planet? Specifically, our largest...
Really slow. So what if evolution had the same mindset, and decided to take its time before getting rid of some prehistoric creatures? What if the giant sloth was still...
Where do they come from? How do we get rid of them? And how much drama is a poltergeist going to cause me? OK, so exactly what is a poltergeist? Well, a poltergeist is a...
Imagine, it comes out of nowhere. A blinding flash, spanning the entire globe. It lasts only a few seconds, but when it’s over, everyone’s memories have been...
Imagine if Earth suddenly lost an entire continent. North America wouldn’t just vanish off the face of the planet, of course. Instead, it would sink into the...
Order some rain for your dry lawn, cancel the upcoming tornado, schedule a week of sunshine for your vacation… What if we could manipulate the weather just like...
If you were going for a refreshing swim, the last thing you’d expect is to suffocate from toxic gases. But when it comes to Lake Kivu, this is one dangerous body of...
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...
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...
The Solar System may appear calm and well organized, but it is actually the result of billions of years of delicate cosmic balancing. Changing the order of the planets...
What if we found the way to drain all the Earth’s oceans through some mysterious portal at the bottom of the Mariana Trench? How long would it take? Years...
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...
Friction is what allows us to move…and to slow down. Friction is how we pick things up …and hold on to them. To be totally honest, there isn’t much we...
