Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s tallest mountain, Mount Everest. But also the longest, deepest canyon on the...
At first, it’s very bright. But then, as your eyes adjust to the light, you start to piece together your surroundings. The moving blobs above you, you realize, are...
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...
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...
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...
Humanity has built some incredibly destructive weapons. There are still roughly 12,000 nuclear warheads on Earth today, capable of causing catastrophic damage to human...
That star at the center of our Solar System, that superhot ball of plasma that gives us heat and energy, and amazing complexions… well, it’s a ticking time...
Isn’t it beautiful? Look at this cutie! Enjoy it while you can. Because if we don’t act right now, in less than 80 years, we won’t be able to...
Some 13.8 billion years ago, a very hot, small and dense singularity expanded into what we now call the Universe. It hasn't stopped growing since. But what if it did?
What if human history ended today?
With no shock to anyone, Donald Trump is pushing his way onto the list of the authoritarian leaders of the 21st century. Does he want to become a dictator? The United...
Having your business meeting in a forest. Making a sales call on the beach. Or accounting at the top of a mountain. This could be your reality if you could work anywhere...
From space, it would look like Earth had a giant pimple. Smack dab in the middle of Brazil. Back on the ground, you’d be astonished by the enormity of Olympus Mons. The...
Sharks are the oceans’ primary predators. Eating every fish in their path. But what if you ended up in a pool full of them, and you were the prey? What would...
If only there were a simple trick to stop a massive volcano from spewing out lava. Like maybe plugging it up with good old concrete. A massive volcanic explosion sends...
Friction is what allows us to move…and to slow down. Friction is how we pick things up …and hold on to them. To be totally honest, there isn’t much we...
This star is about to transform into a black hole. And we’re about to travel inside it to see what’s on the other side. The only problem is that we’ll...
Black holes are dark, matter-devouring balls of gravity. Most of them are so far away that we don’t need to worry about them. But not this one. Meet Gaia BH1. This...
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...
How much do you know about black holes? What would happen if you fell into one? Say one day you were exploring space looking for a new planet for humans to inhabit, but...
