Oxygen makes up only about 21 percent of the air we breathe, but it plays a much bigger role in holding life together and keeping our world intact. Imagine if, just for...
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...
Mars has long captured the imagination as humanity’s potential next home. The red planet looks inviting from a distance, but the reality is far from hospitable. Even a...
[dx_custom_adunit mobile_id=”RTK_v1lP”] You’ve seen it in the movies and read about it in books, but now the idea of creating artificial life in a...
Artificial intelligence is no longer just a concept from science fiction. Today’s AI systems are rapidly advancing, with some already matching the intelligence of famous...
Since the early days of spiritualism, psychic mediums have claimed to contact the dead. During these sessions, their clients could see objects mysteriously flying across...
Monday. Tuesday. Wednesday. Wednesday. Wednesday. Again? Wednesday. I feel like we’ve done this before. Wednesday. Does anybody else notice this? Wednesday. How do...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Food is scarce. Money is worthless. Riots are everywhere. The world is in chaos. This isn’t our past...
It’s the matchup you’ve been waiting for, the clash between some of the biggest titans that ever roamed the Earth. Today, we’re going back in time to...
Where do they come from? How do we get rid of them? And how much drama is a poltergeist going to cause me? OK, so exactly what is a poltergeist? Well, a poltergeist is a...
If you were to drill straight down into Mars, what would you find? Would the red planet reveal its true colors? Would you finally discover life on Mars? And how...
One day, we want to take humanity into space. But why don’t we start small? Take one solar power station, 10,000 people, and 10 million tons of crumbled Moon rock...
Ashes and smoke cover the sky. Your hometown is sieged by massive wildfires. You rush to escape. Unaware that behind you, the wind and the heat have created a monster. A...
Sixty five million years ago, a massive asteroid crashed into Earth and ended the age of the dinosaurs. But what if that never happened? What if dinosaurs had continued...
Some of the planets in our Solar System are gigantic. But what if they got even bigger? Let’s go up the planetary size chart and see what kind of chaos doubling the size...
The current coronavirus crisis is a difficult time for all of us. We want you, our fans and your loved ones, to be informed about the coronavirus and what you can do to...
They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara Falls attracts millions of visitors from...
Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...
Every morning or every night. Before going out. Definitely after the big game. For most people, showering is routine. But for some, it’s religion. But if lots of...
Flooding, devastation, and disease. What could all these awful things have in common? Rain. And lots of it. We’re not talking April showers here. So, imagine a...
