Really slow. So what if evolution had the same mindset, and decided to take its time before getting rid of some prehistoric creatures? What if the giant sloth was still...
Absolute zero is the lowest possible temperature in the Universe. Nothing gets colder than that. So if the entire Earth suddenly cooled down to the most frigid...
Imagine a world where you could move objects with your mind, cure cancer with microscopic machines, or even live to be 1,000 years old. The future of science is...
Experimenting on animals is a dark side of science and research. And most of us try not to think about the animals that experienced the horrors of testing when we buy...
Jupiter, the largest planet in our Solar System, has enough mass to swallow millions of tons of debris. So naturally, someone has asked: Why not use Jupiter as a cosmic...
Humans have a knack for changing the environment. Often, these projects have effects we didn’t plan for. Sometimes, it’s disastrous. And other times, it gives us energy...
We all know our time here is limited. But we don’t know by how much. Are we better off not knowing when we’ll die? Or would a countdown help us all to lead...
Whether it’s Apple, Microsoft, or Yahoo, only one tech giant has reigned supreme when it comes to our search engines. Google. It’s so dominant around the...
[dx_custom_adunit mobile_id=”RTK_v1lP”] There are sunsets on other planets even more spectacular than the ones on Earth. What if we could see not just one...
Hurricanes, typhoons, cyclones. They’re all one in the same. Storms. Now, the mother of all of them is about to hit New York and you’re caught right in the middle of it...
Something incredibly strange is unfolding in our cosmic neighborhood, a powerful and unexplained gravitational force is pulling Jupiter, the largest planet in our Solar...
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...
What if there are other universes, just like ours? With an infinite number of Earths? With uncountable versions of you? And what if we don’t have to look too far...
Everybody loves a good sleep, but we probably wouldn’t enjoy it as much if we had no control over when it happened. Imagine falling into a deep sleep during a...
Have you ever wondered what dinosaurs were afraid of? What creature, in the Cretaceous period, made taking a drink of water a dangerous gamble? I’m talking about...
Why does the Earth have to be either round or flat? What if there could be a happy middle ground? Welcome to your very own polyhedron Earth. What would this Earth look...
We can build really big things in space. Okay, not that big – yet. But we’ve packed the Earth’s lower orbit with about 5,000 satellites – some...
What if all the coral reefs died out? What if we lost all of our coral reefs overnight? Ocean diving would become less impressive, that's for sure. But what about the...
Oxygen makes up only about 21 percent of the air we breathe, but it plays a much bigger role in holding life together and keeping our world intact. Imagine if, just for...
We’ve thrown a lot of disasters at Earth over the years: from asteroids and aliens, to the Sun’s death. But hey, the Universe is a dangerous place, and we’re not...
