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      What If Show
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      Earth

      What If We Entered a New Ice Age?

      September 7, 2022
      Science

      What If Genetically Modified People Became the Norm?

      November 6, 2018
      Humanity

      What If Covid-19 Was Made in a Lab?

      September 3, 2020
      Humanity

      What If People With Down Syndrome Ruled the World?

      August 15, 2019
      Earth

      What If Tardigrades Were the Size of Humans?

      December 5, 2020
      MSN New, Cosmos

      What Secrets Could the James Webb Telescope Reveal?

      Humanity has always looked up at the night sky and wondered what is hiding out there. Entire galaxies, black holes, strange planets, and maybe even alien civilizations...

      HTS MSN

      How to Train Your Brain to Overcome a Fear of Heights

      A fear of heights, known as acrophobia, is one of the most common fears people experience. For some, standing on a tall building, looking down from a bridge, or even...

      Science

      What If Every Dead Person Came Back to Life

      What if you actually did see dead people? Not in a Sixth Sense kind of way, but in an ‘inexplicable mass resurrection’ kind of way? Not in a Walking Dead...

      Cosmos

      What If Jupiter Swallowed Every Planet in the Solar System?

      You start your day hearing wild news. Jupiter has just swallowed Saturn. And it doesn’t stop there. Jupiter is on its way to swallow every planet in the Solar...

      Humanity

      What If Elon Musk Became President?

      What if, instead of Trump or Biden becoming the next U.S. President, there was a third-party candidate? And that candidate was Elon Musk? What if Elon Musk became the...

      MSN New, Earth

      Earth in a Billion Years: What Scientists Predict

      One billion years into the future, you might imagine a world full of artificial intelligence, interstellar travel, and space colonies. Maybe we’ll see the end of...

      HTS MSN

      This Beach Danger Kills More People Than Sharks

      When most people think about deadly dangers at the beach, sharks are usually the first thing that comes to mind. But the real threat hiding beneath the waves is far less...

      MSN New, Earth

      What If We Poured Liquid Nitrogen Into a Volcano?

      What would happen if you dumped one of the world’s coldest liquids into the boiling, volatile mouth of a volcano? Would it freeze all of the lava inside? Could it...

      HTS MSN

      Inside Japan’s Most Dangerous Festival

      Every six years in Japan, thousands of people gather in the Suwa region to witness one of the world’s most dangerous religious festivals. Massive logs thunder down steep...

      MSN New, Earth

      What If Our Mountains Collapsed?

      Mountains. They’re born, they grow, they age and erode. And after a very, very long life, they turn to dust. What if all mountains collapsed at once? What are the...

      Humanity

      What If All the Passengers Jumped on a Plane at Once?

      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...

      Humanity

      What If You Lived in the Stone Age?

      Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...

      MSN New, Cosmos, MSN

      What If NASA Built a City on the Moon?

      Don’t Miss the Full Video Story Below The year is 2126, and Earthrise is no longer something you only see in textbooks or old footage. It is what you wake up to every...

      HTS MSN

      Why the Bull Ant Is the Most Dangerous Ant on Earth

      You feel something bite into your skin. A sharp pain shoots through your body as you look down and see a powerful insect locked onto you. But the bite is only the...

      Cosmos, MSN New

      What If Saturn Replaced our Moon?

      A huge gas giant suddenly appears in the sky. You look up in wonder. It’s beautiful. The second Saturn replaces our Moon in its orbit, Earth would just as suddenly...

      MSN New

      Dropping an Iceberg Into a Volcano Turns Disaster Into Something Worse

      A nearby volcano is showing signs of an imminent eruption. Seismic activity is increasing, magma is rising, and the pressure beneath the surface is building. In a...

      MSN New

      Could an Alien Civilization Be Hiding in Earth’s Deep Past?

      The universe is vast, ancient, and mostly silent. For decades, scientists have pointed their telescopes toward distant stars, searching for signs of intelligent life. We...

      Cosmos

      What If You Visited Earth’s Next Space Station?

      Space tourism is much closer than you may think. The International Space Station will soon retire from its successful run through low Earth orbit. But humanity’s...

      Science

      What If Earth’s Gravity Was Stronger?

        You have a weight problem. And it’s not just you, it’s everyone! That’s just how life is on Earth 2.0. Double the density, double the gravity...

      Cosmos, MSN New

      What If Elon Musk Owned Mars?

      Elon Musk has just claimed Mars as his own personal planet. Building his own human colony on the Red Planet, independent of Earth and with it’s own set of laws...

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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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