Don’t you just love fresh air? And feeling healthy? If only that were possible. That deep, relaxing breath you thought you just took, is full of microscopic...
On average, over 8000 people die each year in the U.S. because they can’t get an organ transplant. What if we could actually rebuild our failing organs? That...
You thought forest fires were bad? Wait till you hear about ocean fires. Yes, that’s right. The sea bursting into a fiery hellscape. What if every ocean on Earth...
Imagine your bedroom infested with these tiny bugs. But, what if they were the same size as us? How much blood would a giant bed bug drink? How fast could they take over...
It’s a small world after all, because today, we’re shrinking Earth to the size of Pluto. But if our planet was this tiny, how would it alter the atmosphere...
As Earth’s population multiplies each year, we’re quickly running out of resources to feed the planet. Before long, we’re going to need more space to...
Volcanic eruptions can be devastating. So what if we took extreme actions to prevent them? How could we drill into a volcano? What would be the benefits of doing this...
1.3 billion years ago, two orbiting massive black holes, circling each other at 250 times a second, collided in a violent, universe-rippling explosion that sent waves of...
Earth is already known as the blue planet, with 70% of its surface covered by oceans. But what if the remaining 30% of land suddenly disappeared? The consequences would...
What if all the Earth’s land became ocean, and all the oceans became land? And what if our mountains turned into deep trenches, while the trenches grew to the...
When it comes to planets in our Solar System’s habitable zone, one world is too close to the Sun, another is too far and Earth is just right. But maybe things...
Welcome to the Solar System construction zone. Today you’ll be using our cosmic sandbox to build a brand new planet. What would you need to create a rocky planet like...
Imagine being transported 500 million years into Earth’s past, landing in a world that feels both alien and dangerously unfamiliar. You have just arrived in the Cambrian...
Millions of years ago, early humans lived in a world where survival was anything but guaranteed. Wild predators, unpredictable weather, and deadly diseases constantly...
Space tourism is much closer than you may think. The International Space Station will soon retire from its successful run through low Earth orbit. But humanity’s...
Avatar’s Pandora is the wildest, most beautiful and most deadly place in the galaxy. I mean, who wouldn’t want to live here? But how could the air kill you...
What if one side of the Earth always faced the Sun, while the other side was forever shrouded in darkness? Just how hot would it be on the bright side? And how cold...
But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...
Under extreme circumstances, humans can often pull together to overcome great odds. But when confined in a tight space with each other, well, we may not be at our finest...
There are places in the Universe where you could turn to ash, freeze to death or be completely crushed by gravity. And you’re about to visit them all. What...
