Whether it’s an act of war or terrorism, all that really matters in the moments after the blast is that there are ways to save yourself and your loved ones...
[dx_custom_adunit mobile_id=”RTK_v1lP”] What if…. you could swim in Titan’s lakes? Saturn’s largest moon, Titan, is unique. It has its own...
After 2,250 medical trials, involving 380,000 patient volunteers, your wishes and your prayers have finally been answered: we found a cure for cancer. What if that were...
Would you spend a night at the top of the first tower to space? At 100 km above sea level, it would be the highest structure that humans have ever built. This tower...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
[dx_custom_adunit mobile_id=”RTK_v1lP”] If laws didn’t govern our world, would you still know the difference between right and wrong? If you...
Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How would life on our planet change? Could humans...
It’s about to get really hot down on Earth. Because all our oceans suddenly started to boil, sending steam into the atmosphere at an alarming rate. Why would all...
Where do they come from? How do we get rid of them? And how much drama is a poltergeist going to cause me? OK, so exactly what is a poltergeist? Well, a poltergeist is a...
The mega-earthquake. It’s coming. We don’t know exactly when or how big it’s going to be, but it’s coming. It will be chaotic, and with millions...
It might be the worst date on your weekly calendar, but it’s a date that you definitely don’t want to stand up. Garbage Day. You tie it all up into...
When you think of dinosaurs, images of giant, scaly reptiles like the Tyrannosaurus Rex probably come to mind. Movies, textbooks, and popular culture have shaped our...
Take some cosmic dust and gas, add billions and billions of planets and a whole lot of stars to the mix. Spice it all up with a handful of gravity to hold things...
Some 5 billion years from now, the Sun will expand and become a red giant. And the Earth might be just in the way… If humans were still around then, would we leave...
Throughout history, humanity has faced existential threats like giant asteroids and invisible viruses. Despite the danger, we always bounce back. But how much longer can...
But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...
With the world’s population growing every year, we need to find ways to produce more food. So, if we could bring dinosaurs back from the dead, would you eat them...
[dx_custom_adunit mobile_id=”RTK_v1lP”] What if Jupiter gained just a little bit more mass during its formation period, and then ignited to become a star...
You would live in giant glass domes, and grow small portions of food inside. And if you happen to go outside, it would be in your big clunky spacesuit, and you...
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...

