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      Cosmos

      Scientists Discovered the Most Terrifying Planet That Looks Like Earth

      April 6, 2023
      Cosmos, Earth

      What If Earth and Moon Switched Sizes?

      September 8, 2025
      Body

      What If You Evolved 1,000 Years in a Day?

      January 10, 2022
      Body

      Most Dangerous Things You Could Jump Into

      August 25, 2022
      Earth

      What If Earth’s Atmosphere Ignited Tomorrow?

      December 14, 2021
      MSN New, Humanity

      Every Human Suddenly Became 5 Meters Tall, and Civilization Would Struggle to Survive

      Robert Wadlow holds the record as the tallest human ever confirmed, standing an astonishing 2.72 meters before medical complications tied to his extreme growth ended his...

      MSN New, Humanity

      Humanity Could Become a Civilization Powerful Enough to Control the Universe

      Humanity has only just begun to scratch the surface of its potential, yet some scientific theories suggest we could one day evolve into something almost unrecognizable...

      MSN New

      Ancient Egypt’s Greatest Inventions That Changed the World

      Eye Makeup The people of Ancient Egypt were already using eye makeup as early as 4000 B.C., making them one of the first civilizations to develop cosmetics. Both men and...

      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, Earth

      What Actually Happened During the Salem Witch Trials?

      A knock comes at your door in the middle of the night. Your neighbors are gathered outside. Someone points a finger and makes an accusation that will change your life...

      HTS MSN

      Never Put Water on a Grease Fire, Do This Instead

      You wanted perfectly crispy bacon. Instead, the pan suddenly bursts into flames. Your first instinct might be to grab a glass of water, but that could turn a small...

      MSN New, Cosmos

      You Just Landed on Kepler 186 f, and the Red Sky Is Only the Beginning

      Imagine standing on the surface of an alien world nearly 600 light years away from Earth. The sky glows dim red instead of blue. Strange plants sway in the cold wind...

      HTS MSN

      5 Ice Storm Survival Rules Most People Learn Too Late

      An ice storm begins when temperatures drop to around 0°C (32°F) and freezing rain turns into a layer of ice the moment it touches the ground, trees, buildings, or power...

      MSN New

      How Many Earth Sized Planets Fit Inside the Solar System’s Giants?

      The Solar System is far more diverse in size than it appears from Earth. From tiny rocky worlds to massive gas giants, each planet differs dramatically in scale. To...

      HTS MSN

      He Crawled Into an 18 Inch Tunnel, and 24 Hours Later He Was Still Trapped Upside Down

      John Edward Jones had every reason to believe he would make it home that night. He was a medical student, a husband, and a father with another child on the way. Caving...

      MSN New, Cosmos

      Playing Basketball on Mars Would Turn a Simple Game Into a Fight for Survival

      Playing sports on another planet sounds like science fiction. In theory, it would feel almost superhuman. You could run faster, jump higher, and throw with far more...

      MSN New, Cosmos

      What If We Finally Went on a Search for Alien Life?

      For decades, humanity has listened to the cosmos, hoping that somewhere among the stars another civilization might be trying to reach us. Powerful telescopes scan...

      MSN New, Earth

      How Genetics Is Trying to Revive Lost Species

      For centuries, extinction has been viewed as permanent. Once a species disappeared, it was considered gone forever, surviving only in fossils, museum collections, and...

      HTS MSN

      A Black Mamba Bit Her Three Times, and She Passed Out Before Reaching the Hospital

      You are walking through tall grass as daylight begins to disappear. While searching for a piece of wood, you notice something lying across the ground and reach toward it...

      Humanity, MSN New

      What Would Happen If Kim Jong-Un Suddenly Disappeared?

      In 2020, when Kim Jong-Un disappeared for three weeks, the world went into full speculation mode. Was he ill? Dead? On a secret mission to binge-watch K-dramas? South...

      Science

      What If We Harvested the Energy of the Oceans?

      The world gets 80% of its energy from fossil fuels. But based on our current levels of consumption, we could run out of oil and gas in the next 50 years. And in 100...

      Science

      What If a Black Hole Deleted the Universe?

      They are massive, and extremely dense. They rip apart anything and everything that gets close to them. Their gravity is so strong that even light can’t escape. We...

      Earth, Science

      What If The Earth Was Hollow?

      Our solid core has given us life as we know it. But what if Earth was hollow?

      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...

      HTS MSN

      Surviving a Cockroach Infestation: What You Need to Know

      They wallow in filth and are the primary cause of childhood asthma. They aren’t going away anytime soon, they have been pests for about four million years, and...

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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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