This giant rock lights up the night and can even change colors. So what would we do without it?
People are fighting over it in grocery stores all around North America. Some are selling it to make an immense profit. No, this isn’t the scene of some crazy...
The Paleozoic era began 530 million years ago when the Earth woke up from an ice age. This era lasted for 289 million years, but you might not even last five minutes in...
This shiny metal is constantly in a liquid state. This is mercury. We normally see this metal in tiny quantities. But what would happen if we took thousands of liters...
Contrary to what some people think, the Earth isn’t the center of the Universe. But what if it was? What if those medieval astronomers were right, and everything...
What would happen if you flew into a wormhole? Would you ever hear back? Where would you end up? Back in time?Another galaxy? Here’s what would happen if a...
Billions of years from now, the Sun will become a red giant. And then, it will slowly die. That’s right. It’s the end of the Solar System, and this is your survival...
This would be the journey of a lifetime, if you don’t mind riding through molten rock and crushing pressure. What would you see along the way? How long...
As our population grows, we’re going to need a lot more farms to feed the planet. Yet, in a lot of places, farming is almost impossible. And much of the land we...
Hundreds of meters underground. Large enough to house tens to hundreds of thousands of people. And walls strong enough to withstand the force of a nuclear blast. These...
Dinosaurs often steal the spotlight when it comes to terrifying prehistoric creatures, but they were far from the only fearsome beasts to roam the Earth. From enormous...
What do saber-toothed tigers, woolly mammoths and the dodo all have in common? They’re all extinct, and some theorize humans played a large part in this. What if...
Intense rainfall. Winds of 120 km/h (75mph) or higher. Storm surge. These are the signs of a hurricane. During its reign of terror, a hurricane can release as much...
Forget a doomsday asteroid or melting permafrost. It’s the freezing of Earth’s core that will end the world in today’s episode. Or would it? Because maybe, just...
Slavery, America’s original sin, was outlawed by President Lincoln on New Year’s Day in 1863. But the repercussions of this brutality and dehumanization...
Have you ever felt like it was so hot out that you could cook an egg on the road? Or do you enjoy incredibly spicy foods for the thrill of it? Well, imagine living in an...
Oxygen makes up only about 21 percent of the air we breathe, but it plays a much bigger role in holding life together and keeping our world intact. Imagine if, just for...
What if the Moon was more than just a lifeless rock? Under that bright light, it could be hiding an alien civilization. When did this alien life begin on the Moon? What...
In six hours, you, your government, and 124 million other people across 14 states will be tested by the greatest disaster to ever hit the U.S. East Coast. A great wave...
With every rocket we launch into the Earth’s orbit, we’re trapping ourselves on our own planet. Wait, how could sending rockets into space put an end to...
