If gravity were suddenly gone forever we’d all realize pretty quickly how much we’re taking this universal force for granted.
Every 75 years, a ball of fire streaks across the sky. But that’s no fireball. It’s Halley’s Comet. And you’re about to hitch a ride on it. Get...
Beneath the Earth’s surface lies the core, a scorching sphere of iron surrounded by a layer of molten metal. Temperatures at the core reach approximately 6,000°C...
While it might be nice to avoid any dangerous confrontations on your wilderness walks, life without wildlife would be pretty boring. If we didn’t have animals...
A volcano is one of the most unforgiving natural phenomenons on Earth. If you were to fall into its magma-filled center, your body would quickly bubble up, and disappear...
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...
What if Earth’s orbit ventured as far from the Sun as Pluto, and got as close to it as Venus? Would the Sun burn the planet to a crisp at the closest...
Volcanos, the ultimate natural force of destruction. They’re unforgiving, uncompromising and unstoppable. About 1,500 volcanoes around the world are considered to be...
Are all of your memories real? Did everything happen the way you remember it? What if somebody filled your brain with memories that aren’t yours? Would you be able...
No more vast, barren deserts. Because we are going to turn them all into lush, green farmlands. How would we go about bringing new life to hot deserts? How much would...
Watch your head. Some seriously big asteroids are crashing into Earth. What kinds of shapes and sizes do they have? Which ones would have the deadliest impact? And which...
What if human history ended today?
You’ve seen politics and national borders change all the time, but have you ever witnessed a continent literally breaking apart? Well, it’s possible...
This is the Mariana Trench, the deepest place on Earth. It stretches 11km (7 mi) down below sea level. But what if we made it even deeper? Get a giant drill because...
Family planning. It sounds sensible, but it’s extremely controversial. At least, in some countries. What if it wasn’t? What if the world recognized a...
[dx_custom_adunit mobile_id=”RTK_v1lP”] There are certain days in your life that stand out more than others. You can recall them, as if they happened...
Interstellar objects occasionally enter our Solar System, providing insight into the composition and dynamics of distant regions of the galaxy. Among these objects, the...
The world gets 80% of its energy from fossil fuels. But based on our current levels of consumption, we could run out of oil and gas in the next 50 years. And in 100...
The megalodon, the big boss of our ancient oceans, the king of all sharks, killer of whales. If you’re a fan, you’ve already witnessed our megalodon vs. mosasaur episode...
With all the work to do, people to see, traffic jams to get stuck in, we all sometimes wish we could be in two places at once. We’ve already cloned sheep, cows...
