In the morning some of us need that extra boost to get our day going. We’re talking about coffee of course. But before we get brewing. What does coffee do to your...
The tallest man to ever walk the Earth was 2.72 m (8’9″) tall, and he quickly became an international sensation. So can you imagine what life would be like...
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...
Interstellar objects occasionally enter our Solar System, providing insight into the composition and dynamics of distant regions of the galaxy. Among these objects, the...
To meat, or not to meat: that is the hotly debated question. How would life on Earth change if we stopped eating all things animal?
You’re driving your car on the highway, when you see something in the sky. Minutes later, you find yourself in a violent storm. Hail the size of a softball, and...
When people think about space threats, they usually imagine asteroid impacts, solar storms, or distant supernova explosions. But some scientists warn that the most...
The pace of modern life feels overwhelming. With artificial intelligence advancing by the day and environmental shifts altering our landscapes, we often wonder what life...
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...
Wouldn’t it be cool to see things through any wall and any door? How about seeing through your own skin? Or your dog? No, no, no, and no. Of all superhero powers...
As you approached Saturn, you would be the first human to take in the glory of its rings and its swirling atmosphere in person. Along the way, you would pass a few of...
As 2025 approaches, the world faces a mix of alarming risks and exciting possibilities. From global conflicts to scientific breakthroughs, here is a look at ten...
Death Valley is the hottest place on Earth, with a record-setting air temperature of 57 degrees Celsius (134 degrees Fahrenheit). It’s a vast desert of oppressive...
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...
Scroll down to watch our video. Unless you’re an astronaut, you probably don’t spend a lot of time thinking about gravity. We all take gravity for granted...
You start your day hearing wild news. Jupiter has just swallowed Saturn. And it doesn’t stop there. Jupiter is on its way to swallow every planet in the Solar...
Deep in the mountains of Bolivia, there is a road where a single mistake can turn an ordinary journey into a fight for survival. For decades, the North Yungas Road...
Human history has been full of battles and wars, some big and some small. But if World War 3 were to happen, it might be humanity’s biggest battle yet. Advanced...
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...
Venus is the second planet from the Sun and our nearest neighbor. At its closest approach, Venus is mere 40 million km (25 million mi) away from us. After just four...

