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      Earth

      What If We Nuked an Active Volcano?

      March 11, 2020
      Humanity

      What If We Knew the Time We Go Extinct?

      October 6, 2019
      Earth

      What If Jupiter Swallowed Earth?

      June 24, 2020
      Body

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

      May 9, 2020
      Cosmos

      What If a New Planet Formed in the Solar System?

      July 19, 2020
      MSN New, Humanity

      The T-Rex Is Back and Hunting Again, and Here’s What Changed

      Tyrannosaurus Rex. King of the tyrant lizards. It’s 6 meters tall (20 feet), 12 meters (40 feet) long, and it weighs upward of seven tons. You can hide from it...

      MSN New, Humanity

      What Happens When We Discover That Aliens Are Already Here?

      For centuries, humanity has looked toward the stars searching for signs of intelligent life. But what if the biggest discovery in human history is not finding aliens...

      MSN New, Humanity

      The Day We Calculate the End of Humanity

      Imagine waking up to the most shocking announcement in human history. Not that an asteroid is heading toward Earth. Not that a supervolcano is about to erupt. But that...

      MSN New, Science

      Scientists Say You May Soon Be Able to Power a Home With Shadows

      For most of history, shadows have been seen as the absence of light. They cool us down on hot days, hide objects from view, and signal that the Sun has moved across the...

      MSN New, Cosmos

      Find Out What Would Happen If You Spent 5 Seconds on Mercury

      Mercury is the smallest and closest planet to the Sun, and it may also be the most extreme. With scorching daytime heat, freezing nights, and no real atmosphere...

      MSN New, Earth

      What Will Remain of Humanity in a Billion Years?

      Imagine stepping out of a time machine one billion years from now. Instead of finding futuristic cities and advanced civilizations, you discover a planet that looks...

      MSN New, Earth

      See What Would Happen If Earth’s Oceans and Continents Swapped Places

      Cities would drown, oceans would dry up, and human civilization would be thrown into chaos. This catastrophic change would not just flood our homes but completely...

      MSN New, Body

      What Falling Into the World’s Lightest Solid Would Do to You

      This substance may look like a liquid or gas, but instead, it’s a solid. This is aerogel, the world’s lightest solid. This incredibly rare substance has been...

      MSN New, Cosmos, Earth

      What Would Happen If We Discovered Another Planet in Our Solar System?

      The Solar System seems calm, but that tranquility is more fragile than it appears. Now imagine one day looking up and noticing something unfamiliar in the sky. A tiny...

      MSN New, Body

      What Sleeping Upside Down Every Night Would Do to You

      Fancy yourself like Batman? Or not. But what if, like Bruce Wayne, you spent the entire night upside down? Is it possible? What would happen to your body? What is the...

      MSN New, Earth

      A Life Without Purring: Loss of the Cats

      Imagine waking up one morning and realizing cats no longer exist. No more purring beside you at night, no curious eyes watching from the windows, and no tiny predators...

      MSN New, Earth

      See What Happens If the San Andreas Fault Finally Breaks

      Nobody knows the exact day it will happen. It could be tomorrow, or decades from now. But one thing is certain. The San Andreas Fault is constantly building pressure...

      Previous 1 … 44 45 46 47 48 … 252 Next

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      Popular What Ifs

      MSN New, Cosmos

      What If We Built a Colony on Saturn’s Moon Titan?

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      What If the Earth Was a Polyhedron?

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      Astrophysicist Reveals What Happens If We Knew Our Exact Extinction Date

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      Making science accessible on social media since 2017. Find out more

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      About

      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

      6 Ways Humans Might Evolve In Next 1,000 Years

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