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      Earth

      What If We Nuked an Active Volcano?

      March 11, 2020
      Cosmos

      What If a New Planet Formed in the Solar System?

      July 19, 2020
      Earth

      What If Jupiter Swallowed Earth?

      June 24, 2020
      Body

      What Exactly Happens If You Get Hospitalized With COVID-19?

      May 9, 2020
      Humanity

      What If We Knew the Time We Go Extinct?

      October 6, 2019
      MSN New, Earth

      The Continents Collided Again, and a New Pangaea Was Born

      What if one day the continents joined together into one giant landmass again, and you could travel from North America to Africa on foot? What country would become your...

      MSN New, Cosmos

      A Black Hole Deleted the Universe, and Everything We Know About Physics Was Wrong

      They are massive, and extremely dense. They rip apart anything and everything that gets close to them. Their gravity is so strong that even light can’t escape. We...

      MSN New, Cosmos

      The Sun Became Smaller Than Earth, and Everything Changed

      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 size of a...

      MSN New, Body

      You’re Already Eating Uranium, and Here’s What Happens Inside Your Body

      In today’s interconnected world, we’re constantly barraged by conflicting information on what we should and shouldn’t be eating. But if there’s...

      HTS MSN

      He Fought a Mountain Lion for 10 Minutes, and Somehow Won

      For most runners, a mountain trail is a place to challenge yourself, escape the noise of everyday life and enjoy the scenery. But even familiar outdoor environments can...

      MSN New, Humanity

      The Hyperloop Reaches 1,200 km/h, and Travel Would Never Be the Same

      Imagine traveling at the speed of an airplane, but on ground level, and in a giant tube. That’s the idea behind the Hyperloop, a network of incredibly fast moving...

      MSN New, Cosmos

      The Universe Stopped Expanding, and the End of Everything Would Begin

      What if all the galaxies, stars, planets – everything – stopped moving away from everything else? Would the Universe as it is just freeze? Or would it...

      MSN New, Earth

      What If All The Plankton Disappeared?

      Most people have never seen these tiny creatures before, but they may be the most vital organisms on Earth. Say hello to plankton. They can be smaller than the diameter...

      HTS MSN

      He Thought He Was Safe in His Hut, Until Six Hyenas Attacked

      To many people who live in rural Zimbabwe, the nights are quite unlike the busy world outside their own communities. Once it is dark over the countryside, the sounds of...

      HTS MSN

      He Raised a Hyena in His Apartment, Until It Finally Turned on Him

      From the moment Bryan Hawn was a child, animals fascinated him. He and his brother Mark would constantly challenge each other with animal facts, turning their curiosity...

      MSN New, Humanity

      What If the Speed of Light and Sound Were Switched?

      Nothing can travel faster than light. But what if we switched the rules a little? Imagine a world where the speed of light was slower. Way slower. Yep, about the speed...

      HTS MSN

      5 Poachers Went Hunting for Rhinos, but an Elephant Stopped Them and Lions Finished the Job

      South Africa’s Kruger National Park is huge and includes about five million acres of wild land; within it are some of the world’s most protected animals...

      Previous 1 … 5 6 7 8 9 … 246 Next

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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 Antarctica’s Dormant Volcanoes Woke Up?

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