In 1918, the world was at war. While soldiers fought each other on the frontlines, an even greater threat emerged, the Spanish flu. Between 50 to 100 million people died...
Would we all need night vision goggles? How would it affect the ocean tides? Our seasons? Or our sleep cycles? Or would the consequences be far more drastic? As the...
How much water would you need to extinguish the Sun? How would we deliver such an enormous amount of water anyway? Would all that water even make it to the star...
In the center of our galaxy, the Milky Way, there is a supermassive black hole feeding on nearby stars. It’s called Sagittarius A*. And if a giant gravitational...
Our water supply is limited. By the year 2025, 66% of humans around the world might face water shortages. But I know where to find delicious fresh water. The toilet...
Imagine standing in the middle of the Sahara Desert, surrounded by a blinding expanse of endless, sun-baked sand dunes. Now, imagine watching those barren dunes ripple...
Look around you for a moment. Your phone, your house, the air you breathe, and even your own body are made of materials that did not exist at the beginning of the...
Imagine stepping onto a moon where almost every direction hides a deadly hazard. That is Io, the fiery satellite orbiting Jupiter. It looks like a glowing world forged...
In a galaxy far away, gravity didn’t quite work the way it does on Earth. And the speed at which everything moved was really weird too. Maybe, some places in our...
Imagine living on the Moon. You’d have the best view of Earth, enjoy bouncing around in zero gravity and living your life as an astronaut explorer. Ah...
For years, people living near the forests of Nepal and northern India lived in fear of a predator that seemed to have developed a taste for human flesh. She became known...
Hornets large enough to decapitate honeybees with their jaws. Centipedes that climb walls and ceilings before dropping into your living space. Bugs that wait until you...
We sure love our roads. We love them so much that we seem determined to pave the entire world. But maybe roads can become the future of renewable energy. That’s right...
Black holes are one of the most devastating objects in space, sucking up everything around them. But there’s another space phenomenon that’s just as...
The world has ended. The sky has fallen. Doomsday has come and gone. So now what? Let’s start rebuilding civilization, of course. How would you begin to come back from...
It starts with a simple cough, and before you know it, millions of people are infected. And it won’t stop there. It could keep growing and growing until billions...
How long would something like this take? Why would this change the weather? And how hot would Earth get? If you think something like this is impossible because we...
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...
When people picture AI going wrong, they picture the film version. Robots in the streets, computers waking up, humanity ending up in service to its own inventions...
It’s the end of your shift. Like every night, you walk down a quiet street toward the bus station. But then you hear it. Footsteps behind you. You glance back and see...
