They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara Falls attracts millions of visitors from...
This giant rock lights up the night and can even change colors. So what would we do without it?
What if you had the power to control things without touching them? What if you could use your mind for anything from bending spoons to lifting cars, and even stopping...
If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds would take things to an entirely different level...
What if climate change was taken to the absolute extreme and the entire planet’s ice melted?
This is carbon. And of all chemical elements in the Universe, it’s one of the most plentiful. So what would happen if all of it suddenly disappeared for five...
Body-crushing pressure. Toxic atmospheres. Unbearable temperatures. That’s what would be in store if you visited other planets in our Solar System. But what other...
Imagine the Sun releasing a burst of energy so powerful it could knock out power grids, stop airplanes mid flight, and push our world back into the dark ages. This is...
What if everyone on the planet coordinated to perform the biggest “flush mob” in history? Pushing all the wastewater in the world down the drain, all at once...
Imagine that the Sun is on the verge of exploding. Or that a planet-killing asteroid is headed our way. Or maybe you just want to take the entire planet on a joy ride...
When you travel to an abandoned place, it’s important to remember that people left these towns for a reason. It could be due to dangerous human activities...
When we think of space exploration, images of rockets, astronauts, and the Moon often come to mind. But humanity’s journey beyond Earth has left behind some truly...
Uh-oh. Looks like somebody left the gas running on Jupiter. Don’t do anything stupid, like lighting a humongous match. What would a match need to be made of to ignite...
Imagine if one day you looked up into the night sky, and saw Mars or Saturn where the Moon was supposed to be. That would sure turn our Earth into an alien world. And...
First of all, look at the map. Iran isn’t a country, it’s a fortress. Three times the landmass of Iraq. Four times the population. And mountains that...
Scroll down to watch the video. Imagine if we could control earthquakes and tsunamis to generate power. Or maybe even terraform every planet in the solar system. These...
When it comes to planets in our Solar System’s habitable zone, one world is too close to the Sun, another is too far and Earth is just right. But maybe things...
Every morning or every night. Before going out. Definitely after the big game. For most people, showering is routine. But for some, it’s religion. But if lots of...
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...
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...
