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      What If Show
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      Body

      What If You Could Regrow Your Limbs?

      March 25, 2021
      Humanity

      What If You Had to Live Through 2020 All Over Again?

      January 5, 2021
      Cosmos

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

      January 18, 2022
      Earth

      What If the Megalodon Shark Fought the Mosasaurus?

      June 18, 2020
      Body

      What If You Swallowed Gallium?

      August 25, 2020
      Earth

      What If We Drilled Through a Volcano?

      Volcanic eruptions can be devastating. So what if we took extreme actions to prevent them? How could we drill into a volcano? What would be the benefits of doing this...

      MSN New

      Scientists Think Seawater Could Power the Future. What If They’re Right?

      Seawater is salty, undrinkable, and a potential source of planet-saving fuel. Hold up. Fuel? Yes, that’s right. We have the technology to convert seawater into liquid...

      Cosmos

      What If a Dark Hydrogen Iceberg Fell to Earth?

      A mysterious interstellar object is on a collision course with Earth. And scientists don’t know what it is. What could this new astrophysical object be? Where did it...

      Science

      What If Companies Had to Pay to Pollute the Planet?

      Since 1988, 71% of all the world’s carbon emissions have been produced by just 100 companies. Their operations are largely to blame for the climate crisis we now...

      MSN New

      Would You Rather Be the Shortest or Tallest Person in the World?

      Extreme human height can take two very different forms. On one end of the spectrum are individuals who are among the shortest people in the world, standing at under 2...

      MSN New, Health

      What If You Ate Nothing but Chocolate for a Month?

      OK, if you’re like me, this is giving you some serious chocolate cravings. What if I told you that you could eat all the chocolate you want, for a whole month? The...

      MSN New, Science

      What If You Kept Shrinking 1 cm Every Second?

      A sudden reduction in size, shrinking by one centimeter per second, would expose a human to progressively smaller scales of the natural world, from ordinary objects to...

      MSN New, Cosmos

      What Would You See If You Landed on Every TRAPPIST 1 Planet

      39 light years from Earth, the TRAPPIST 1 system hides one of the most extraordinary planetary families ever discovered. Around a faint red dwarf star, seven Earth sized...

      MSN New, Humanity

      Why Russia Would Never Actually Launch the Nuke Everyone Fears

      Since Russia’s invasion of Ukraine began, one question has remained in the minds of people around the world: could Russia actually use nuclear weapons? With one of...

      Earth, MSN New

      What If Earth Was Shaped Like a Polyhedron?

      Polyhedrons come in all shapes and sizes. Anything that has multiple faces joined at their edges can be a polyhedron. Picture Earth as a six-sided cube. Or as a...

      MSN New, Cosmos

      Scientists Found a Planet Whose Ice Stays Frozen at Over 500 Degrees

      Imagine landing on a planet where the surface looks frozen but burns hotter than your oven. Welcome to Gliese 436b, one of the strangest known planets in the universe...

      Science

      What If All the Sea Water Becomes Fresh Water

      [dx_custom_adunit mobile_id=”RTK_v1lP”] Where do you go to quench your thirst? The kitchen sink? The local bar? The mineral rich springs of Bergamo, Italy...

      Humanity

      What If We Had To Rebuild Human Society From Scratch?

      The world has ended. The sky has fallen. Doomsday has come and gone. So now what? Let’s start rebuilding civilization, of course. How would you begin to come back from...

      Earth

      What If the Atmosphere Was 10% Deep Voice Gas?

      Sulfur hexafluoride, now that’s a mouthful. It sure is! It’s more commonly known as SF6 or deep voice gas because, well, it makes your voice deeper! But...

      HTS MSN

      The First 24 Hours of a Zombie Apocalypse Decide If You Live

      Brainsss. Rotten, reanimated and ravenous for humans. The dead are rising from their graves. The whole world is in a frenzy. The infections are spreading fast and...

      MSN New

      We May Be About to Find Thousands of Alien Life Forms at Once

      One of the greatest scientific discoveries in history may be hidden beneath nearly 13,000 feet of Antarctic ice. Deep below the frozen surface lies Lake Vostok, a...

      HTS MSN

      Never Run From a Lion. Here’s What Actually Works

      This is no Simba. Unlike the song, this lion is not sleeping tonight. Instinct kicks in, and you begin to run, but even the fastest human on Earth, Usain Bolt, with his...

      MSN New

      Top 10 Things Invented By NASA We Use Everyday

      10. Computer Mice The computer mouse is one of the most familiar tools in modern computing, but its origins trace back to NASA related research in the 1960s. Engineers...

      Earth

      What If the Argentinosaurus Was Alive Today?

      Taller than a six-story building. Longer than three school buses. Ten times as heavy as an elephant. The largest dinosaur ever is coming back from extinction. What would...

      Humanity, MSN New

      What Would Happen If Kim Jong-Un Suddenly Disappeared?

      In 2020, when Kim Jong-Un disappeared for three weeks, the world went into full speculation mode. Was he ill? Dead? On a secret mission to binge-watch K-dramas? South...

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      Popular What Ifs

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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

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