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      Earth

      What If Jupiter Swallowed Earth?

      June 24, 2020
      Cosmos

      What If a New Planet Formed in the Solar System?

      July 19, 2020
      Earth

      What If We Nuked an Active Volcano?

      March 11, 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
      HTS MSN

      One Person Dies Every Day Falling Down Stairs, and Your Home Has Even More Dangers

      Home is supposed to be the place where you feel safest. Yet ordinary household activities can sometimes lead to serious accidents, especially when people become...

      HTS MSN

      He Was Attacked by a Cougar on a Hike, and Fighting Back Saved His Life

      You are walking along a quiet trail when something suddenly moves inside the bushes. There is barely any wind, so the rustling immediately catches your attention. Then...

      HTS MSN

      She Escaped North Korea, Got Caught, Then Risked Everything to Escape Again

      Could you face guards who shoot to kill? Swim for hours or even days in the open sea? Or cross a vast, hostile desert? What kind of place can push a person to make these...

      MSN New, Cosmos

      6.5 Million Kilometers Apart and Jupiter Still Ruins Everything

      Earth occupies a remarkably convenient position around the Sun. We orbit within a region where temperatures can potentially allow liquid water to remain on a...

      MSN New, Cosmos

      −270°C and Not a Single Star in Sight: Welcome to the Boötes Void

      Imagine pointing the fastest spacecraft imaginable toward a destination so distant that even light would need hundreds of millions of years to reach it. After an...

      MSN New, Cosmos

      No Warning and Nowhere to Hide: This Is How Vacuum Decay Could Destroy the Universe

      Picture a change beginning somewhere far beyond our reach, spreading through space before anyone could even know it had started. Nothing would announce its arrival...

      HTS MSN

      She Swam Too Close to a Portuguese Man O’ War, Then the Venom Took Over

      This beautiful, majestic creature could kill you in a matter of minutes. But you didn’t know that, so you decided to touch it. Now, that excruciating pain you feel...

      MSN New, Humanity

      Human Cells Inside Animal Embryos: Welcome to the Future of Organ Transplants

      For decades, the idea of growing human tissue inside another species sounded like something that belonged in a science fiction movie. Today, laboratories are exploring a...

      MSN New, Earth

      Ready to Deploy and Capable of Devastation: These Are the Deadliest Weapons in the World

      Today, we’re going to explore the five deadliest weapons that are ready to be deployed right now. And, if you thought the deadliest belonged to the U.S. Army...

      MSN New, Cosmos

      3,000 Kilometers Deep and Gravity Disappears: Welcome to the Moon’s Center

      The Moon’s surface is covered in ancient scars, from asteroid impacts to long-extinct volcanic activity. From a distance it looks quiet and empty, but beneath that dusty...

      MSN New, Cosmos

      Bigger Than the Moon and Beautiful in the Sky, Until the Tides Begin

      If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds would take things to an entirely different level...

      HTS MSN

      A Tick Bite Left Her Fighting for Her Life, and She Almost Missed the Warning Signs

      You’re hiking in the woods. Suddenly, you feel something extremely itchy. You scratch it, and find a rash like a red bull’s eye on your body. Looking closely, you see a...

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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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