We sure love our roads. We love them so much that we seem determined to pave the entire world. But maybe roads can become the future of renewable energy. That’s right...
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...
Today on What If, we’re taking Jupiter’s deadly gases and unleashing them on Earth. Where could you be safe from these toxic winds? How would you breathe...
Why do solar panels look so different these days? And why have we started installing them on top of mountains, using them to pave our roads, and putting them in the...
Say hello to the future of home security: the self-shielding house! I know you’re probably thinking, “why would I need so much protection? If I’m in...
About 65 million years ago, a mass extinction event occurred, wiping out more than 75% of all species on Earth. There have only been 5 mass extinctions in our...
Day X has arrived. Mount Fuji, Japan’s most famous volcano, is erupting for the first time in 300 years. It’s raining ash, lava and toxic gases down on the world’s...
What if we weren’t the dominant species on this planet? What if we had to compete with every other species on Earth? We are outnumbered. We are surrounded. And our...
Look out. There’s an object hurtling toward Earth at the speed of light! And no, it’s not a comet or an asteroid. Yep. It’s a marshmallow. How could a marshmallow ever...
Under the pressure of crushing economic sanctions, Russia’s straining to play its own intimidation game. This time, they are threatening to take the International...
Do you ever feel like you’re being watched? Not by a creepy stalker, but by aliens. Yup, it might be happening. Just like we watch animals at the zoo, aliens may...
Black holes are dense and scary. They suck up everything in their way. Their gravity is so strong it bends light and warps time. But what if I told you we might have...
The biggest planet in the Solar System. And the smallest star in the known Universe. Today, they are on a collision course. And Earth might not survive this. Meet the...
Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets in the Milky Way alone, don’t you...
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...
Death and the possibility of an afterlife have fascinated artists, philosophers, and scientists throughout history. Fear, hope, dread… these are all things we...
Do you long for an elegant weapon from a more civilized age? Something less clumsy and random. As you hone your sensitivity to the Force, you may wonder. What if...
Would you take your next vacation to this slimy beach? Well, what if most of our beaches were starting to look like this, because our oceans were quickly being taken...
The ground around the Empire State Building appears to be sinking. This historic landmark is about to get lost in a giant pit. And you will be coming down with it. If a...
In five billion years, we’re gonna have a hefty problem on our hands. Well, only if we’re still living on Earth at this point. Our Sun will be on the brink...
