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      What If Show
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      Cosmos

      14 of the Most Terrifying Planets in the Universe

      August 21, 2025
      Earth

      What If We Moved Earth?

      July 10, 2019
      Earth

      What If Terror Crocs Were Still Alive?

      October 15, 2020
      Technology, Body

      What Happens If You Put Your Head Into a Particle Accelerator?

      January 31, 2020
      Body

      What If You Aged Backwards?

      June 16, 2022
      Cosmos, MSN New

      What If You Watched a Sunset on Every Planet?

      The Universe is packed with worlds where sunsets don’t just fade into night, they bend the rules of physics. From double sunsets to glowing ice and strobing pulsars...

      HTS MSN

      How to Survive an Electric Eel Shock and What Happens to Your Body

      You’re wading in a pond in the Amazon Rainforest when something slimy brushes against your leg. Then you feel another one. And another. You look down to see that...

      MSN New, Humanity

      The Spanish Flu Killed Millions, but Its Biggest Impact May Have Come After the Pandemic

      In 1918, the world was at war. While soldiers fought each other on the frontlines, an even greater threat emerged, the Spanish flu. Between 50 to 100 million people died...

      MSN New, Earth

      One Hides From You, One Rears Up and Strikes Repeatedly, That Decides the Winner

      Corner a black widow and it runs. Corner a Sydney funnel web and it rises onto its back legs, exposes its fangs, and strikes again and again. That single difference in...

      MSN New, Earth

      A Modern Mosasaurus Could Hit 30 mph in a Second and Swallow You Whole, and Sharks Would Look Tame

      Zero to 48 km/h in a single second. Not over a hundred meters, not with a running start. One second, from a standstill, in water. That is the ambush strike of a...

      MSN New, Cosmos

      Find Out What Life Is Like on the New Earth Gliese 12 b

      Around 40 light years away from Earth, hidden in the constellation Pisces, there is a small alien world that has captured the attention of scientists around the world...

      HTS MSN

      A Farmer Vanished While Working, and a 23 Foot Python Held the Horrifying Answer

      On March 25, 2017, 25 year old farmer Akbar Salubiro headed out to harvest crops in Indonesia. It was an ordinary day of work, and there was nothing to suggest that he...

      MSN New, Earth

      Physicists Explain What Happens If a Turkey Hits Earth at the Speed of Light?

      Deep frying a turkey can already be risky enough. Every year, kitchen fires and oil explosions send people running for cover during holiday dinners. But what if we tried...

      Science

      What If Earth Started Spinning Backwards?

      [dx_custom_adunit mobile_id=”RTK_v1lP”] Since its formation, the Earth has been revolving west to east on its axis. If one day our planet started rotating in...

      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...

      Cosmos

      What If the Largest Asteroid Hit Earth?

      Watch your head. Some seriously big asteroids are crashing into Earth. What kinds of shapes and sizes do they have? Which ones would have the deadliest impact? And which...

      Science

      What If Earth Stopped Its Orbit Around The Sun?

      [dx_custom_adunit mobile_id=”RTK_v1lP”] Ready to have your mind blown? The Earth does not orbit the Sun… Technically speaking. Everything in space, Sun...

      Humanity

      What If Cyborg Insects Attacked the Planet?

      The year is 2040. You hunker down with your fellow human survivors, listening for the sound of your enemy. The cyber-bugs have taken over. How did this happen? What...

      MSN New, Earth

      What If Earth Had Jupiter’s Magnetic Field?

      The Sun isn’t the biggest thing in our Solar System. And it’s not Jupiter, either. But close. It’s Jupiter’s very own magnetic field. What would it be...

      HTS MSN

      How to Survive Nature’s Most Violent Tornado

      Few natural disasters are as terrifying as a powerful tornado. These rotating columns of wind can tear apart homes, toss vehicles through the air, and leave entire...

      Humanity

      What If We Raised Dinosaurs for Food?

      With the world’s population growing every year, we need to find ways to produce more food. So, if we could bring dinosaurs back from the dead, would you eat them...

      Earth

      What If All Wildlife on Earth Was Wiped Out?

      While it might be nice to avoid any dangerous confrontations on your wilderness walks, life without wildlife would be pretty boring. If we didn’t have animals...

      MSN New, Cosmos

      What If Exoplanets Replaced Our Solar System?

      Our Solar System has remained remarkably stable for billions of years. Every planet follows a carefully balanced orbit, held together by the Sun’s gravity. But...

      Cosmos

      7 Mind Blowing Ways to Fight a Black Hole Heading Toward Earth

      Imagine this a black hole, one of the universe’s most extreme objects, is hurtling straight toward Earth. Rather than waiting to be swallowed, humanity decides to fight...

      Earth

      What If a New Continent Formed Tomorrow?

        A brand new continent has emerged in the middle of the Pacific Ocean. A process that would typically take millions of years happened overnight. How would this...

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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

      What If Earth Had Jupiter’s Atmosphere?

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