What would happen if all the volcanoes on Earth erupted at once?
40 km (25 mi) off the coast of Brazil lies an island so dangerous it’s illegal to visit. But rules don’t apply to you. You’re a thrill-seeking...
Why does the Earth have to be either round or flat? What if there could be a happy middle ground? Welcome to your very own polyhedron Earth. What would this Earth look...
Buckle up. We’re going to take the orbit of this rock and kick it into high gear. Behold the Moon breaking its planetary speed limit. How would this event flood...
Imagine a world where we didn’t need any lights, where we could detect diseases just by looking at someone, and literally see right through people’s...
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...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Betelgeuse, Betelgeuse, Betelgeuse. Unlike in the movie, you don’t have to say it three times to make it...
What causes moonquakes? What would happen if half of our Moon drifted away? Has the Moon already split in half? As friendly neighbors in the sky, the Moon and Earth have...
I know what you’re thinking. This is… really weird. And also pretty funny. But instead of this just being a silly internet video, what if this were our...
This bug can survive anything, except maybe the bottom of your shoe. But what would happen if we squished every cockroach on Earth? How would this affect the food chain...
Humans are built for life on land, but what if evolution had taken a different path and sent us back into the ocean? To imagine this, we need to look at some of the...
After 2,250 medical trials, involving 380,000 patient volunteers, your wishes and your prayers have finally been answered: we found a cure for cancer. What if that were...
An asteroid races towards Earth. In 6 months, the world as we know it will be obliterated. What do you do? Is there time to evacuate? What would it take? And where would...
How would the world change if, all of a sudden, every biological man disappeared? Would the world become more peaceful? Why would you have to ration food? And why...
Over the past century, astronomers have speculated about the existence of a mysterious 9th planet lurking in the outer reaches of our solar system. Although we’ve...
Aliens?! Enchiladas?! What is this world coming to? Or should I say, what is coming to this world? First of all, yes, it’s pronounced Enceladus (EN-CELL-A-DUSS)...
Congratulations, you’ve taken the seven-month-long journey and have landed on Mars. And it turns out, you’re the first person. Better start getting the human...
What if human history ended today?
Militaries around the world are money-eating machines. And they keep getting more expensive. In 2019, the world spent $1.917 trillion on all the different militaries...
The Sun is Yellow If you’ve always thought our star was a bright yellow ball of fire, you were wrong. For starters, it’s not yellow. It’s green. Sort...
