Take a look at yourself. Are you a very old baby or a baby-like old person? Uh oh. Your biological clock is moving backward. What would your body look like at different...
Time travel has long been a favorite idea in science fiction. Stories about changing the past or visiting the future have captured imaginations for generations. While...
You’re cut off from civilization and stuck in one of the most unforgiving wastelands on Earth. Don’t count on a rescue anytime soon. You’re stranded in...
Ghost stories have fascinated people for thousands of years. Strange figures in dark hallways, mysterious footsteps, and the unsettling feeling that someone is standing...
Fake news may seem like a modern problem created by the internet and social media, but historians have traced its origins back more than a century. Long before online...
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...
How would the world change if, all of a sudden, every biological man disappeared? Would the world become more peaceful? Why would you have to ration food? And why...
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...
Nearly 500 years before Christopher Columbus sailed across the Atlantic, another group of fearless explorers had already reached North America. At the very edge of the...
When people say “follow your heart,” it usually sounds like poetic advice. We associate the heart with love, courage, heartbreak, and instinct. But what if...
Imagine, it comes out of nowhere. A blinding flash, spanning the entire globe. It lasts only a few seconds, but when it’s over, everyone’s memories have been...
Every year, around 140 million babies are born worldwide. And if we continue at this pace, 50 years from now the global population will reach 10.5 billion people. The...


