Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How would life on our planet change? Could humans...
Imagine walking home through a city at night when a sudden flash appears in the sky. Seconds later, your phone shuts off. Traffic lights go dark, cars stop moving, and...
Nearly 800 million light years away, astronomers detected something that should not fit neatly into the known categories of the universe. The mysterious object had a...
Could you face guards who shoot to kill? Swim for hours or even days in the open sea? Or cross a vast, hostile desert? What kind of place can push a person to make these...
Once a revolutionary invention, it's now filling up our oceans and killing thousands of whales, birds, turtles... Just how much plastic do we have around us?
How do you distinguish between past, present, and future? Is there really an order to time? Does it only move forward? Does it move in any direction at all? Stop the...
It’s time to live your ultimate supervillain fantasy. Today, you’re going to unleash your masterpiece of mass destruction. An antimatter bomb. How would you build it...
Let me take you on a wild ride to the very edges of our Universe. But it won’t be as simple as traveling through space. Because the edges that we’re talking about...
The current coronavirus crisis is a difficult time for all of us. We want you, our fans and your loved ones, to be informed about the coronavirus and what you can do to...
What a perfect day for kayaking out on the open sea. Wait a second, why is the water suddenly spinning? Is that a whirlpool? How do people actually get pulled into...
Some plants have a real party trick. While most plants quietly grow, produce flowers, and spread their seeds, certain species have developed a much more dramatic way to...
How do you distinguish between past, present, and future? Is there really an order to time? Does it only move forward? Does it move in any direction at all? Stop...
Even if Titan were much closer to Earth, creating a permanent settlement there would still be one of humanity’s greatest engineering challenges. But among all the...
As Earth’s population multiplies each year, we’re quickly running out of resources to feed the planet. Before long, we’re going to need more space to...
They’ll take over your house, contaminate your food, and leave their feces all over the place. And in some cases, they can even expose you to dangerous diseases...
Citronella, netting, deet. All the things we use to arm ourselves against a pesky foe, the mosquito. There are over 3000 species of these arthropods in the world. If...
Russia already takes up one-eighth of all of the inhabited land on the planet. And now it has its eyes on one of its European neighbors, Ukraine. Historically, Ukraine...
Welcome to the Solar System construction zone. Today you’ll be using our cosmic sandbox to build a brand new planet. What would you need to create a rocky planet like...
Have you ever been at a music festival, sporting event or a parade and felt just a little too crowded? As fun as crowd surfing, mosh pits, or cheering on your favorite...
Look at the world around you. What do you see? Sometimes a cigar is just a cigar. But mostly, it’s not. Why are we so driven by sex? Has it always been this way...
