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      What If Show
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      Science

      What If There Was a Zombie Apocalypse?

      May 3, 2019
      Cosmos

      What If You Spent a Nanosecond in a Black Hole?

      September 8, 2025
      Earth

      What If the Yellowstone Volcano Erupted Tomorrow?

      March 6, 2020
      Galaxy
      Cosmos

      What If We Detected a Signal from Outer Space?

      April 12, 2020
      Earth

      What If it Rained Every Day for a Year?

      April 14, 2021
      Earth

      What If We Filled Our Oceans Up With Lava?

      How long would something like this take? Why would this change the weather? And how hot would Earth get? If you think something like this is impossible because we...

      MSN New, Health

      Stanford Scientists Have Found a Way to Regrow Cartilage and Reverse Arthritis

      Millions of people worldwide live with arthritis, a condition that causes joint pain, stiffness, and reduced mobility. For decades, treatments have focused primarily on...

      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...

      Cosmos

      What If the Great Attractor Swallowed Our Galaxy?

      These balls represent one of the strangest phenomena currently taking place in our Universe. Each ball symbolizes one of 100,000 galaxies — including our own...

      HTS MSN

      He Was Sleeping in a Safari Tent When a Lion Tore Into His Arm

      A night inside a safari tent can feel like the ultimate wilderness experience. You are surrounded by darkness, distant animal calls, and nothing but canvas separating...

      MSN New, Earth

      All of Earth’s Wildlife Just Vanished, and Here’s How Fast We Fall

      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, Earth

      The World Goes Dark for One Hour, but the Plan Backfires

      Humanity has spent the last 100 years increasing our dependence on electricity. Look around…. your computer, air conditioner, microwave, fridge, elevator, traffic...

      MSN New, Cosmos

      Jupiter Would Tear Saturn’s 150 Moons Apart Before Devouring the Planet Itself

      Saturn does not enter this fight alone. Hidden within its rings sit at least 150 moons and moonlets, an entire arsenal of ice and rock orbiting alongside it. None of...

      HTS MSN

      The Chimpanzee Mauled Her Face, and Left Her Fighting to Survive

      Charla Nash had been to that house in Stamford many times. She and Sandra Herold were close friends, and she knew Travis, the 14 year old chimpanzee Herold kept as part...

      MSN New, Cosmos

      A 318 Times More Massive World Starts Falling Into the Sun, and Earth Loses Its Cosmic Shield

      Something incredibly strange is unfolding in our cosmic neighborhood, a powerful and unexplained gravitational force is pulling Jupiter, the largest planet in our Solar...

      MSN New, Humanity

      Your Thoughts Go Online, and the Internet Becomes Part of Your Mind

      Imagine waking up tomorrow and realizing you no longer need a phone, a keyboard, or even a screen. You simply think about a question, and the answer appears in your mind...

      MSN New, Humanity

      The Nearest Star Would Be Close Enough to Reach, but There May Be No Metal to Build With

      Imagine a night sky where the nearest star is close enough to actually visit. Not 4.37 light years away like Proxima Centauri, but a short hop by cosmic standards, one...

      Cosmos

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

      Make room, earthling. We’re moving the other planets in our Solar System into our planetary neck of the woods. Would all the planets fit into this Goldilocks zone? What...

      MSN New, Cosmos

      Could Humanity Ever Actually Move the Entire Solar System?

      Moving is never easy. The packing and unpacking, having to start fresh and make new friends, all this can be challenging. Let’s face it, whether it’s a nasty...

      HTS MSN

      They Faced Terrifying Shark Attacks and Lived to Tell the Story

      They’re fast. They’re ruthless. And they’re hungry. Their sharp teeth can destroy you in seconds. And no, playing dead will not fool them. It’s...

      Earth

      What If the Megalodon Shark Never Went Extinct?

      An ancient creature is lurking in the ocean. It’s double the size of a T.rex. Its gigantic jaws could crush a car. And now, it’s on the hunt for you...

      MSN New, Cosmos

      Uranus Uncovered The Hellish Reality Beneath the Serene Blue Haze

      From a distance, Uranus is one of the most attractive objects in the Solar System. A pale blue sphere, calm and evenly colored, floating out there in the dark. That...

      MSN New, Humanity

      They Found a 2,000-Year-Old Machine Under the Sea, and It Changed Everything We Knew About Ancient History

      For more than a century, one of history’s greatest technological mysteries sat hidden beneath the sea. When historians began studying a strange collection of...

      MSN New, Earth

      What If a Tornado Hit a Supervolcano Like Yellowstone?

      Imagine a tornado spinning over an erupting supervolcano. The result would be catastrophic beyond comprehension. While such a collision is incredibly unlikely, exploring...

      HTS MSN

      These 5 Parasites Can Burrow Into Your Body. Here’s How to Survive

      Parasites are creatures that need a host organism to feed on, survive in and sometimes reproduce inside. And guess what? The human body is a favorite neighborhood for...

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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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