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      Cosmos

      What If: The Universe Is Conscious

      December 22, 2022
      Cosmos

      Is Pluto a Real Planet?

      September 9, 2025
      Earth

      What If the Oceans Lose Oxygen?

      April 19, 2021
      Earth

      How Bad Could Things Get on Earth If We Nuked the Moon?

      March 30, 2018
      Body

      What If a COVID Vaccine Were Available Tomorrow?

      November 19, 2020
      HTS MSN

      4 Meter Crocodile, Seconds Later He Drags Her Underwater

      For Cindy Waldron and her longtime friend Leeann Mitchell, a peaceful night in the Australian rainforest suddenly became a fight for survival. The two women had known...

      MSN New, Cosmos

      What Would Happen if a Hypervelocity Star Tore Through Our Solar System

      Most people have heard of shooting stars, but those aren’t actually stars. They are tiny pieces of rock burning through Earth’s atmosphere. A real star...

      HTS MSN

      Gyorgy Dozsa Led Thousands Into Battle, and His Captors Prepared a Horrific Execution

      Gyorgy Dozsa was a soldier who became the leader of a massive peasant uprising in Hungary during the early 1500s. He had earned a reputation for bravery during wars...

      MSN New, Humanity

      Scientists Discovered You Have a Hidden “Little Brain” in Your Heart

      When people say “follow your heart,” it usually sounds like poetic advice. We associate the heart with love, courage, heartbreak, and instinct. But what if...

      HTS MSN

      518 Men Sleep in a Room Built for 170, but That’s Not the Worst Part of This Prison

      Picture this. You just got arrested in the Philippines. You haven’t been convicted of anything, but suddenly you’re inside Manila City Jail, surrounded by...

      HTS MSN

      She Heard Screaming and Metal Screeching Before Her Roller Coaster Derailed

      When Amanda Bostic rode a Daytona Beach roller coaster in 2018, everything seemed to be going smoothly. Her seatbelt clicked into place, and a park operator checked it...

      MSN New, Health

      What Happens If You Eat a Brick of Dry Ice?

      Dry ice is one of the coldest substances on Earth. Now, what would happen if you swallowed dry ice? What would it do to your skin? How much could you eat before it hurts...

      Humanity

      What If We Planted a Trillion Trees

      It’s dawn, it’s dark, and you don’t what kind of weather is waiting for you outside your tent. It doesn’t matter anyway. In rain, hail, sleet...

      MSN New, Earth

      Antarctica’s Ice Is Holding Back a 70-Meter Wall of Water, and It’s Starting to Melt

      The Antarctic ice sheet covers 14 million square kilometers and averages two kilometers thick. Locked inside it is roughly 60 percent of all the freshwater on Earth. If...

      MSN New, Earth

      Moving New York City Would Cost $370 Trillion, but It Could Save the City From the Sea

      Coastal cities across the globe are planning how they will keep the sea away as it rises. One solution? Just move the city. How much would it cost? How do you lift a...

      MSN New, Cosmos

      What If We Built a Giant Ring Around the Sun Big Enough for Trillions of Humans?

      The Earth may not be our home forever. Eventually, we may have to leave. What if instead of finding a potentially habitable exoplanet light-years away, we stayed in our...

      MSN New, Humanity

      You Are the Last Child on Earth, and Humanity Is Counting on You

      There have been 108 billion Homo sapiens born on Earth. But you are the very last one. With no other babies being born after you, you would be the end of the human race...

      HTS MSN

      One Scorpion Sting Can Turn Deadly, and You Might Never See It Coming

      Scorpions live on every continent except Antarctica. They’re arachnids, part of the same charming family as tarantulas and delicious lobsters. And they have...

      HTS MSN

      You Are Completely Cut Off From the World, and Your Mind Starts to Break

      Welcome to social isolation, a new lifestyle where grabbing a drink with friends consists of getting drunk in front of your computer. Where hitting the club means...

      Earth

      What If Earth’s Atmosphere Ignited Tomorrow?

      A massive earthquake knocks you off your feet. There’s a blinding flash of white, and then you see a tsunami of lava rising on the horizon. A nuclear reaction has...

      MSN New

      What If a Nuke Goes Off in Washington, D.C.?

      Washington, D.C. is more than just the capital of the United States. It is the center of American political power, home to the White House, Congress, the Supreme Court...

      Cosmos

      What If We Could Create Anti-Gravity?

      Are you tired of cramped city-living? Then anti-gravity might be for you! Do you want to soar effortlessly over traffic jams, while the drivers below you lose their...

      MSN New, Humanity

      Living Without Pain Sounds Like a Superpower, but It Could Slowly Destroy Your Life

      No pain, no gain. But really, is it worth it? Aside from a small subsection of the world’s population, most of us do everything we can to avoid pain! But what if...

      MSN New, Cosmos

      A Nuclear Bomb Explodes on the Moon, and the Consequences Reach Far Beyond Space

      For thousands of years the Moon has fueled myths, guided ships across open water, and lit up night skies without fail. During one especially tense stretch of the Cold...

      HTS MSN

      Why Climbing a Tree Would Never Actually Save You From a Wild Boar

      A peaceful walk through the forest can turn into a dangerous encounter in seconds. You are hiking with your dog when suddenly it stops, starts barking, and focuses on...

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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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