Imagine striking a match and having everything around you catch on fire, even if you were standing in a wet forest. And while that’s happening, imagine being...
A blazing ball of fire lies deep underground. It’s Earth’s core. This colossal sphere of molten iron far beneath your feet is what made your life on Earth...
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...
Everybody farts. And it’s no secret that they’re smelly, gross, and embaressing at times. But what if, instead of trying to hide our flatulence, we all just...
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...
Watch your head. Some seriously big asteroids are crashing into Earth. What kinds of shapes and sizes do they have? Which ones would have the deadliest impact? And which...
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...
Imagine a world where humanity has not only gained the ability to travel and to populate space but has progressed even further than that. Humanity can now control and...
The sky appears darker. The temperature is starting to drop. Our rivers are freezing, crops are covered in snow! People could go hungry. Is it just me, or is the Sun...
The next step in space exploration isn’t generations away. It’s happening right now. And our destination? That mysterious, desolate world next door, Mars...
You pop out of the ocean and hear the faint yells of the lifeguard. The whole beach panics. Your turn around. Something lurks in the water. Before you can say...
Let’s be honest, we are pushing our planet to a climate change catastrophe. But there could be a solution. 71% of the Earth’s surface is covered with water...
Out of all the planets in the Universe, Earth is clearly the best for life, right? Wrong. Earth may be great, but scientists have discovered a few worlds that could be...
So, what exactly is hot ice? Well, it’s simple. It’s made by boiling baking soda, vinegar, and a little bit of water. From that, you get sodium acetate...
Today, people with Down syndrome are generally treated with love and respect from those around them. And despite having an intellectual disability, people with Down...
When you think of dinosaurs, images of giant, scaly reptiles like the Tyrannosaurus Rex probably come to mind. Movies, textbooks, and popular culture have shaped our...
What if you could time-travel a hundred years from now. How would the planet look like? Would human beings still be in the picture? Only in the past year, our...
No more vast, barren deserts. Because we are going to turn them all into lush, green farmlands. How would we go about bringing new life to hot deserts? How much would...
Scientists may have identified an exoplanet with the potential to support life, located 120 light-years from Earth. The planet, known as K2-18b, is classified as a Super...
Jupiter is home to some big storms. Like the massive Great Red Spot, which has been swirling on the gas giant for centuries. Why don’t we bring it to Earth and see what...

