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      What If Show
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      Earth

      What If We Nuked a Hurricane?

      August 28, 2019
      Humanity

      What If Spiders Were the Size of Humans?

      November 28, 2019
      Cosmos

      What If Jupiter’s Moons Scattered Across the Solar System?

      December 6, 2021
      Cosmos, Science

      What If We Discovered Alien Life?

      June 29, 2018
      Science

      What If You Were the First Person on Mars?

      June 18, 2019
      Earth

      What If a Gravitational Wave Hit Earth?

      1.3 billion years ago, two orbiting massive black holes, circling each other at 250 times a second, collided in a violent, universe-rippling explosion that sent waves of...

      MSN New, Cosmos

      What If We Reordered the Solar System From Largest to Smallest?

      Our solar system appears beautifully organized, but its stability is actually the result of an incredibly delicate cosmic equilibrium developed over billions of years...

      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, Humanity

      After the Apocalypse, Humanity Would Need 3 Things to Rebuild Civilization

      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...

      Humanity

      What If the U.S. Started World War III?

      The time for talk is over. Now the biggest countries on Earth are fighting for global supremacy. What would happen if the United States started World War III? Who would...

      MSN New, Humanity

      Could You Survive One Year in the World’s Deadliest Prison?

      The jury found you guilty. The judge sentenced you to one of the most dangerous prisons on Earth. And if you’re not careful, you could spend the rest of your life...

      MSN New

      Scientists May Be About to Replace Antidepressants With Magic Mushrooms

      For decades, antidepressants have been the standard treatment for depression, helping millions of people manage symptoms that can otherwise become overwhelming. But a...

      HTS MSN

      Three Bites, 45 Minutes From the Hospital, Only One Chance

      It is dusk, and you are walking through the African bush searching for firewood. You reach toward what looks like an ordinary branch lying on the ground. Then it moves...

      MSN New, Humanity

      Everyone on the Plane Jumped at Once, and the Flight Turned Into Chaos

      Do you get a little nervous before a flight? If you do, you’re not alone. Between 33% and 40% of people feel some form of anxiety when they board a plane. While a giant...

      HTS MSN

      You Can’t See a Thing in This Blizzard. Here’s How to Survive It

      A blizzard can turn an ordinary drive into a life threatening emergency within minutes. Heavy snowfall, strong winds, and near zero visibility make it almost impossible...

      MSN New, Earth

      How the African Continent Is Slowly Splitting Apart

      When people think about continents, they usually imagine something permanent and unchanging. Borders shift, countries rise and fall, but the land itself feels solid. Yet...

      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...

      MSN New, Science

      He Went on Holiday and Left a Dirty Dish Behind, and It Saved 200 Million Lives

      September 1928. A London laboratory sits empty while its owner takes a summer holiday. When Alexander Fleming finally comes back, his workspace is exactly as messy as he...

      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

      Should You Be Scared of an Alien Invasion?

      For generations, the idea of an alien invasion has captured our imagination. Movies, television shows, books, and conspiracy theories have painted a picture of advanced...

      HTS MSN

      Prisoners Have to Buy Their Own Cells in This Prison, and Some Even Run Businesses

      San Pedro Prison in La Paz, Bolivia, is unlike most prisons in the world. Instead of simply being assigned a cell, inmates inside this unusual prison can buy their own...

      MSN New

      They Found Nature’s Greatest Artist

      Imagine diving deep beneath the ocean’s surface and coming across a perfectly crafted circular pattern etched into the seafloor. With its intricate ridges...

      MSN New, Earth

      The Dark Secret Historians Uncovered About a “Hero” Explorer

      In 1894, American polar explorer Robert Peary was on the hunt for fame. His ultimate goal was the North Pole, but along the way, his expeditions would involve grave...

      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...

      Humanity, Science

      5 Technologies That Could Save or Destroy Humanity

      Imagine a world where you could move objects with your mind, cure cancer with microscopic machines, or even live to be 1,000 years old. The future of science is...

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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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