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      What If Show
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      Humanity

      What If an Advanced Civilization Lived in the Amazon?

      September 27, 2022
      Earth

      What If All Life on Earth Lived in the Oceans?

      January 18, 2021
      Earth, Science

      What If The Earth Was Hollow?

      July 31, 2018
      Body

      What If You Didn’t Leave the Bathtub for a Month?

      September 27, 2021
      Body

      What If You Stopped Sleeping?

      May 9, 2018
      Humanity

      What Humans Could Look Like 1,000,000 years from Now

      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...

      Earth

      What If The Empire State Building Was Swallowed by a Sinkhole?

      The ground around the Empire State Building appears to be sinking. This historic landmark is about to get lost in a giant pit. And you will be coming down with it. If a...

      MSN New, Earth

      Prehistoric Australia Was Terrifying

      Prehistoric Australia was not the warm, sunlit continent we know today. Between roughly 126,000 and 12,000 years ago, during the late Pleistocene, it was a place where...

      Cosmos

      What If We Built Cloud Cities on Venus?

      The Earth might not be here forever. A huge solar flare, an asteroid impact, or a local gamma-ray burst – anything could wipe us out for good. If we’re...

      Science

      What If Earth’s Oceans Evaporated?

        What if all the oceans disappeared from the Earth’s surface? What would a world with no high seas look like? What would happen to all the creatures that...

      Humanity, MSN New, Technology

      What If NASA Had the U.S. Military’s Budget?

      They sent humans to walk on the Moon, flew by every single planet in our Solar System, delivered the first residents to the International Space Station… What else could...

      MSN New, Humanity

      They Went Extinct for a Reason – Now We’re Bringing Them Back Anyway

      Nature already made its decision. The woolly mammoth, the saber toothed tiger, the dodo bird, all of them were judged by climate, by predators, by shifting ecosystems...

      HTS MSN

      Cute Until It Isn’t: Surviving a Beaver Attack in the Wild

      Dan Wherley never imagined a beaver could be dangerous. In his mind, they were slow, harmless dam builders. That changed in seconds when a rabid beaver suddenly leapt...

      Humanity

      What If Spiders Were the Size of Humans?

      Eight legs, eight eyes, sharp fangs, and bullet-proof webs. They’re hairy, they’re scary, and now, they’re human-sized. As many as 427 million people...

      Science

      What If You Had the Strength of a Superhero?

      Could Thor actually punch the Hulk without knocking himself over?

      MSN New, Earth

      Pangolins: This Dinosaur-Like Creature Might Disappear Forever

      Pangolins are now critically endangered in Asia because of poachers and traffickers. But why is there so much demand for them? And why are they so important to their...

      Cosmos

      What If a Magnetar Collided With a Black Hole?

      In the center of our galaxy, the Milky Way, there is a supermassive black hole feeding on nearby stars. It’s called Sagittarius A*. And if a giant gravitational...

      HTS MSN

      She Unclipped for Just One Photo, and Then the Mountain Took Her

      She had come a long way for the view, and the view was worth it. So she unhooked the harness for a moment, just long enough to get the photograph without a cable in the...

      Earth

      What If Megalodon Fought Titanoboa?

      It’s the matchup you’ve been waiting for, the clash between some of the biggest titans that ever roamed the Earth. Today, we’re going back in time to...

      HTS MSN

      People Have Survived Months Adrift at Sea, but Staying Alive Comes Down to Five Things

      Imagine waking up in the middle of the ocean with no land in sight. The sun is burning your skin, your lips are dry, and every wave reminds you how small and helpless...

      MSN New

      How Different Would Life Be Without Thomas Edison?

      Few inventors in history have become as famous as Thomas Edison. With more than 1,000 patents attached to his name, Edison helped shape the modern world through...

      MSN New, Humanity

      4 Billion Women, Just One Man… What Would You Actually Do

      Do the math with me. Earth holds 3.8 billion women. Until yesterday, it also held 3.9 billion men. This morning, the count of men stands at exactly one. You. Your phone...

      Cosmos, MSN New

      What If You Fell Into the Biggest Void in the Universe?

      Imagine drifting through space in a place so empty that you wouldn’t see a single star, planet, or galaxy in any direction. This is the Boötes Void, one of the largest...

      Humanity

      What If We Created a Second Artificial Moon?

      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...

      Earth

      What If Dinosaurs Evolved to Survive the Asteroid

      Sixty six million years ago, a massive asteroid impact wiped out about three quarters of all life on Earth, including every non avian dinosaur. But what if science could...

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      Popular What Ifs

      Cosmos

      What If All the Planets of the Solar System Were in the Habitable Zone?

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      What If Humans Suddenly Went Extinct?

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      What If is presented by Underknown, a production company creating a variety of short-doc series that search for the underlying truth of how our world operates and how it came to be. Our shows take you to the frontiers of science and make the most complex ideas and theories entertaining and accessible.

      Popular What Ifs

      What If You Could Make Spider Web Like Spider-Man?

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