That star at the center of our Solar System, that superhot ball of plasma that gives us heat and energy, and amazing complexions… well, it’s a ticking time...
How big is the Sun compared to the Earth? Imagine you were able to shrink the Sun to the size of a basketball. At that point, the Earth would be reduced to the...
Scroll down to watch our video. This may look like a regular airport, but people believe that beneath it there is an underground city. And not just any underground city...
The night is dark and stormy at the beach. A crowd prays to the thunder in the skies. All hail the god of chaos, who sleeps no more. Cthulhu, the great, green, bringer...
Are you tired of cramped city-living? Then anti-gravity might be for you! Do you want to soar effortlessly over traffic jams, while the drivers below you lose their...
Sea levels have gone up 20cm (8″) since 1850, but it was unevenly distributed around the globe. That’s roughly half the height of a bowling pin, 3.5 times the size...
Imagine looking into the mirror and seeing a completely different version of humanity, one with huge eyes, advanced technology wired into the brain, and even the ability...
Imagine Earth covered in thick sheets of ice. And sea levels so low you could walk to a different continent. This is what our planet would look like during an ice age...
Do you find the time it takes Earth to spin around each day a little slow? Well, how about we speed things up? A lot. What would happen to the length of our day? What...
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...
The miracle of life. A 40-week process where you developed from a single cell to fully formed human baby. All within in your mother’s womb. Now, imagine you were...
On the morning of September 11th, 2001, tragedy struck when two hijacked airplanes crashed into the World Trade Center towers in New York City. After that, everything...
What if you took your school assignment to the next level and decided to collect physical samples of as many elements as possible?
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...
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...
One day, we want to take humanity into space. But why don’t we start small? Take one solar power station, 10,000 people, and 10 million tons of crumbled Moon rock...
With so many varieties in our skin tones, hair colors, and features, the human race is a marvel of evolution. But what if we all decided to preserve our family traits...
This blue, marble-like planet looks just like Earth. But only five seconds on this hostile death-orb would kill you. Welcome to HD 189733b. This planet is enormous. Even...
Mountains. They’re born, they grow, they age and erode. And after a very, very long life, they turn to dust. What if all mountains collapsed at once? What are the...
Moving is never easy. The packing and unpacking, having to start fresh and make new friends, all this can be challenging. Let’s face it, whether it’s a nasty...
