Did you know that you ladies spend about 2,300 days of your life menstruating? That amounts to about 10,400 tampons or pads, over 5,000 pills for your cramps, and about...
The Middle Ages, a time when you were more likely to die on the toilet than take a bath. And now you’re going there with an educational mission. It’s up to...
If time travel is possible, why haven’t we met a single time traveler yet? And if we did meet one, how would we know they weren’t faking it? What would their...
When it comes to energy, we have a long way to go before our utility bills become a thing of the past. On the Kardashev scale we’re still a Type 0 civilization...
What if you took your school assignment to the next level and decided to collect physical samples of as many elements as possible?
The Permian Period, which lasted from about 299 to 252 million years ago, was one of the most fascinating and dangerous times in Earth’s history. It ended with the...
Some say life is a roller coaster. What if it was more like this? We don't notice the earth spinning now, so what would life be like if it spun a little faster? Would we...
Imagine the Sun releasing a burst of energy so powerful it could knock out power grids, stop airplanes mid flight, and push our world back into the dark ages. This is...
A massive earthquake knocks you off your feet. There’s a blinding flash of white, and then you see a tsunami of lava rising on the horizon. A nuclear reaction has...
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...
As the nukes dropped on every major city around the globe, everyone sought shelter, but there was nowhere to hide. In an instant, civilization as we knew it was...
Coastal cities across the globe are planning how they will keep the sea away as it rises. One solution? Just move the city. How much would it cost? How do you lift a...
The Moon’s surface is made up of long-dead volcanoes and impact craters from asteroids. But have you ever wondered what might be inside it? We could find out one...
[dx_custom_adunit mobile_id=”RTK_v1lP”] If you were exposed to the harsh depths of space, you’d lose consciousness in 15 seconds, and be dead within 30...
Venus is the second planet from the Sun and our nearest neighbor. At its closest approach, Venus is mere 40 million km (25 million mi) away from us. After just four...
Throughout history, there have been many incredible civilizations that have shaped the way we live today. One was Ancient Rome, a once majestic and thriving city whose...
One billion years into the future, you might imagine a world full of artificial intelligence, interstellar travel, and space colonies. Maybe we’ll see the end of...
Humans have explored the Moon, Mars, and of course, Earth. But what do we know about Jupiter? For the most part, this gas giant is a mystery. So what would happen if you...
What if all the coral reefs died out? What if we lost all of our coral reefs overnight? Ocean diving would become less impressive, that's for sure. But what about the...
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...

