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      What If Show
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      Cosmos

      What If Everything We Knew About Black Holes Was Wrong?

      October 26, 2023
      Humanity

      What If You Mated With Neanderthals?

      July 13, 2021
      Earth

      What If You Skydived Into a Tornado?

      September 13, 2019
      Body

      What If Ticks Were the Size of Humans?

      November 30, 2021
      Science

      What If We Could Remember Everything?

      January 17, 2019
      MSN New

      NASA’s Perseverance Rover Found Complex Carbon Molecules in a Dried-up Martian River

      NASA’s Perseverance rover has found complex carbon based molecules in ancient dried up river deposits on Mars, adding to growing evidence that the planet once had the...

      MSN New

      We May Be About to Discover a Second Earth

      Could we be on the verge of finding a second Earth? Astronomers are searching the galaxy for a world that could support life as well as, or perhaps even better than, our...

      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...

      Earth, Humanity, MSN New

      How Would You Die During Every Mass Extinction?

      Since the beginning of time, Earth has created life and then wiped out most of it in catastrophic, ultra-destructive moments. Starting with the very first extinction...

      Humanity, MSN New

      The Entire History of Human Evolution Explained

      Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life...

      Technology

      What If We Turned Plastic Into Fuel?

      Let’s say you’ve got two bottles of water in front of you. One is a plastic bottle, the other a reusable one. You already know that you should probably pick the reusable...

      MSN New

      The Deadliest Snakes You’ll Be Glad to Know Are Extinct

      If modern snakes already make your skin crawl, you should be thankful you never had to share the planet with their prehistoric ancestors. Millions of years ago, Earth...

      MSN New

      Why Humans Will Never Set Foot on Saturn

      If a human could somehow approach Saturn, the experience would be unlike anything in our Solar System. From a distance, the planet looks calm and elegant, wrapped in its...

      Science

      What If You Fell Into a Spent Nuclear Fuel Pool?

      You just fell into a pool with this thing. What is this? How would falling in here affect your health? And could you actually survive this? This is a spent nuclear fuel...

      Science

      What If Earth’s Oceans Evaporated?

        What if all the oceans disappeared from the Earth’s surface? What would a world with no high seas look like? What would happen to all the creatures that...

      Cosmos

      What If You Got Stuck in a Time Loop?

      Monday. Tuesday. Wednesday. Wednesday. Wednesday. Again? Wednesday. I feel like we’ve done this before. Wednesday. Does anybody else notice this? Wednesday. How do...

      MSN New, Cosmos

      What Would Happen If You Traveled to a Real Hell Planet?

      We visit a lot of planets here on WHAT IF, but K2-141b is the most extreme one yet. Are you ready to jump on board this one-way space shuttle? If you’d rather stay...

      Science

      What If Earth Lost All Its Coral Reefs?

      What if all the coral reefs died out? What if we lost all of our coral reefs overnight? Ocean diving would become less impressive, that's for sure. But what about the...

      MSN New

      Inside the Museum of the Future: 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 the Universe Ended Tomorrow?

        What if all the stars disappeared tomorrow, together with all the planets, solar systems and galaxies? What would be left of the Universe if it suddenly collapsed...

      MSN New

      What If Lightsabers Became Reality

      Do you long for an elegant weapon from a more civilized age? Something less clumsy and random. As you hone your sensitivity to the Force, you may wonder. What if...

      Cosmos, MSN New

      What If We Relocated Humanity to Proxima B?

      Proxima b is very promising. It orbits a red dwarf star called Proxima Centauri in a system with three stars in it. Proxima Centauri is small. It only has between 7.5%...

      MSN New

      Historians Discovered an Ancient Civilization’s 2,000 Year Old Computer

      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, Cosmos

      What If Betelgeuse Exploded Right Now?

      Betelgeuse is one of the closest stars to Earth, at a distance of only 650 light-years away. This makes Betelgeuse a fan-favorite with professional and amateur...

      Earth, MSN New

      What If Earth’s Core Cooled Down Completely?

      Beneath the Earth’s surface lies the core, a scorching sphere of iron surrounded by a layer of molten metal. Temperatures at the core reach approximately 6,000°C...

      Previous 1 … 11 12 13 14 15 … 81 Next

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      Popular What Ifs

      Body

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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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