What would it actually be like if every particle in your body converted into a dark matter particle? And how long could you last in that state? Everything that we can...
The Arctic might soon become completely ice-free. And when all of the ice is gone, the world won’t be the same. But what if I told you there was a way to prevent...
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...
Monday. Tuesday. Wednesday. Wednesday. Wednesday. Again? Wednesday. I feel like we’ve done this before. Wednesday. Does anybody else notice this? Wednesday. How do...
Visitors from beyond the stars have arrived. What secrets could our intergalactic friends share? What wonders could these space chums unveil? They DO NOT come in peace...
Do you ever question the nature of your reality? Are you real? Or are you a product of some complex computer simulation? What I’m about to tell you might change...
Scroll to the bottom to watch the video. They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara...
From mastering the energy of planets to reshaping entire universes, the path to a Type VI civilization stretches the limits of human imagination. But what would that...
Has the weather ever ruined your plans? What if I told you I had an idea to stop hurricanes from wrecking your day? And that it involves liquid nitrogen. How exactly...
Deep under Europa’s thick icy surface lies an ocean larger than all of Earth’s oceans combined. But it’s pretty useless way out there. Let’s ship that water back to...
During Earth’s early days, a gargantuan collision left our planet spinning at an angle. That slight incline allowed life as you know it to flourish. But what if this...
What’s the best place to put solar panels? Close to the Sun, of course. And in this scenario, we’re going to build the most efficient solar farm possible...
410 kilometers (254 miles) above the Earth. That’s where the International Space Station floats. What if you happened to be all the way up here but suddenly fell...
Whether you enjoy rock music, or pop, or if classical or jazz takes your fancy, we all love music. But what if we had never invented music? No, rhythms, no melodies...
This is the Mariana Trench, the deepest place on Earth. It stretches 11km (7 mi) down below sea level. But what if we made it even deeper? Get a giant drill because...
Can you imagine what the world would look like if it were run by children? We all know that our youngest generations are the future of humanity, but what would happen if...
Is alien life really out there? Humanity has wondered about it for decades, and according to scientists, this might finally be a reality. Astronomers have discovered...
Are you religious? If you are, a huge part of your life is probably shaped by your beliefs and religious community. If you’re not, you might stare with bewilderment at...
We visit a lot of planets here on WHAT IF, but K2-141b is the most extreme one yet. Are you ready to jump on board this one-way space shuttle? If you’d rather stay...
This is the Mullaperiyar Dam. It has been around since well before your grandparents were born. And it could fail at any moment now. What could cause the dam to collapse...
