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...
In 1918, the world was at war. While soldiers fought each other on the frontlines, an even greater threat emerged, the Spanish flu. Between 50 to 100 million people died...
For centuries, the Kraken has lived in the space between myth and fear. A massive sea monster, said to rise from the deepest oceans, capable of dragging entire ships...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Twin siblings, twin peaks, twin cities, twin planets… Two earths, one solar system. How would that work? Where...
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...
As the world watches the war Russia brutally started in Ukraine, you wonder how these countries would be different if the dictator Vladimir Putin never took office. Who...
With nearly eight billion people on the planet, things can feel pretty crowded. Let’s make things a bit tighter by housing every single person on Earth in one giant...
Extreme human height can take two very different forms. On one end of the spectrum are individuals who are among the shortest people in the world, standing at under 2...
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...
Swipe down for full video story! Mosquitoes are the deadliest animals on Earth, responsible for nearly one million human deaths each year. They transmit diseases such as...
This star is about to transform into a black hole. And we’re about to travel inside it to see what’s on the other side. The only problem is that we’ll...
Dry ice is one of the coldest substances on Earth. Now, what would happen if you swallowed dry ice? What would it do to your skin? How much could you eat before it hurts...
Imagine waking up on a version of Earth where the sky glows yellow, the air scorches your lungs, and the ground melts your shoes. That is what life would look like if...
If you happened to wander into the Nevada desert and stumbled upon the secret U.S. military base, Area 51, you’d quickly be arrested, killed, or maybe even...
California. Northeast Ohio. Tasmania. Buffalo. Upstate New York. New England. In the first months of 2026, the sky has been falling, over and over again. Sonic booms...
The idea sounds like something pulled straight from a disaster film. A shark with two heads moving through the ocean, defying everything we know about marine biology...
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...
Imagine Earth with an even 50/50 split between continents and oceans. Our planet covered half by land half by water. How would this change the planet as you know it...
Elon Musk has just claimed Mars as his own personal planet. Building his own human colony on the Red Planet, independent of Earth and with it’s own set of laws...
The time for talk is over. Now the biggest countries on Earth are fighting for global supremacy. What would happen if the United States started World War III? Who would...
