A century of history flashes before your eyes. Not the past, but the future. And now you know how life would unfold over the next 100 years. What changes would happen to...
Deep in the tropical forests of Colombia, you come across a small, beautiful frog. You’re captivated by its brilliant color and reach out to hold it in your hand...
You’d better mind your waste because it’s not piling up in landfills anymore. Today, we’re going to dump it all straight into the oceans. How much trash would that...
You’re in the front row, and your favorite song comes on. Suddenly you’re surrounded by people who are violently pushing and shoving. You try to get away...
This shiny metal is constantly in a liquid state. This is mercury. We normally see this metal in tiny quantities. But what would happen if we took thousands of liters...
You’re in the Ghostbusters universe. With a quick stomp, demons are as good as gone. So how would life change if you could bust ghosts in real life? Would you need...
It’s the middle of the night, and you hear a squeaking sound coming from your attic. You get up to investigate, and as soon as you pull the attic ladder...
It’s got you! Now the powerful jaws of this lizard have clamped down on your flesh and they won’t let go. You try to pull away, but these little...
This small, cute guy is one of the most deadly animals in the ocean. It likes to hang out on shallow reefs. And while you were snorkeling, it bit you. Now you only have...
Body-crushing pressure. Toxic atmospheres. Unbearable temperatures. That’s what would be in store if you visited other planets in our Solar System. But what other...
Before we start this episode, I gotta warn you. We’re going to talk about starvation and how it can harm your body. Like all What Ifs this is a thought experiment...
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...