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      Earth

      What If You Moved an Entire City?

      September 17, 2021
      Science

      What If We Never Discovered Antibiotics?

      July 11, 2018
      Earth, MSN

      7 Ways Earth Was Completely Different 2 Billion Years Ago

      August 14, 2025
      Cosmos

      What If You Lived in a Cosmic Skyscraper?

      March 30, 2022
      MSN New, Cosmos

      The Latest Discoveries About Jupiter Explained

      5 months ago
      Humanity

      What If We Settled on the Moon?

      Imagine living on the Moon. You’d have the best view of Earth, enjoy bouncing around in zero gravity and living your life as an astronaut explorer. Ah...

      MSN New, Earth

      A Single Needle at the Speed of Light Would Hit Harder Than 100 Nuclear Bombs

      Picture a sewing needle. Small enough to lose in the carpet, light enough that you barely feel it resting in your hand, and completely harmless in every ordinary sense...

      MSN New, Earth

      95 Times Earth’s Mass Is Coming Toward Us, and Nothing on Earth Would Stay the Same

      The Moon has been quietly orbiting Earth for billions of years. It lights up our nights, influences the tides, and appears harmless from a distance. But imagine stepping...

      Earth

      What If the Ring of Fire Suddenly Erupted?

      There’s a deadly 40,000 km (29,400 mi)-long zone that passes through 15 countries. This area is dotted with volcanoes, giving it the name The Ring of Fire. And...

      MSN New, Earth

      Frozen But Not Dead: The Animals That Come Back to Life

      Why is there an alligator lying completely frozen under the ice… and still alive? At first glance, it looks like something out of a frozen wasteland. A solid block of...

      Humanity, MSN New

      A.I. Simulates the Next American Civil War

      You and your family wake up to an emergency broadcast: “The United States is now in a state of emergency. Riots erupt, statues are torn down, and the government...

      Earth, MSN New

      What If Humans Never Began the Slaughter of Whales?

      Back in 1846, whaling was one of the most booming industries in the whole world. It was the fifth largest sector in the United States economy, raking in a cool $10...

      MSN New, Humanity

      The T-Rex Is Back and Hunting Again, and Here’s What Changed

      Tyrannosaurus Rex. King of the tyrant lizards. It’s 6 meters tall (20 feet), 12 meters (40 feet) long, and it weighs upward of seven tons. You can hide from it...

      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...

      MSN New, Cosmos

      Could a Giant Shield in Space Really Cool the Whole Planet?

      Climate change is one of the biggest challenges facing humanity. Rising temperatures are melting ice, intensifying storms, damaging ecosystems, and threatening...

      Cosmos, MSN, MSN New

      What If the Moon Became a Giant Farm?

      As Earth’s population multiplies each year, we’re quickly running out of resources to feed the planet. Before long, we’re going to need more space to...

      Cosmos, MSN New

      What If You Watched a Sunset on Every Planet?

      The Universe is packed with worlds where sunsets don’t just fade into night, they bend the rules of physics. From double sunsets to glowing ice and strobing pulsars...

      HTS MSN

      $20,000. 8.4 kilos of heroin. 11 lost years.

      Paul Hayward seemed destined for a very different future. A talented Australian rugby player, a skilled boxer with Olympic ambitions, and a devoted husband and father...

      MSN New, Cosmos

      If Earth Were the Center of the Solar System, the Sun Would Die and We’d Freeze Solid

      Put Earth at the center of the Solar System and something has to give. Gravity does not negotiate, so if everything is going to orbit us, the masses have to be...

      MSN New, Earth

      The Days Would Last 580 Hours if the Moon Were Replaced

      Our Moon may seem ordinary, but it quietly keeps Earth stable. It controls the tides, slows our planet’s rotation, and helps maintain the rhythm of life. But what...

      MSN New, Humanity

      The Internet Just Went Dark for Good. Here’s What Happens to Us

      Imagine waking up tomorrow morning and reaching for your phone. You tap your favorite social media app, but nothing loads. You try opening your email, searching on...

      What Waits Beyond the Clouds Is 475°C Heat and 90 Times Earth’s Pressure
      MSN New, Cosmos

      What Waits Beyond the Clouds Is 475°C Heat and 90 Times Earth’s Pressure

      Venus, the second planet from the Sun, is often referred to as Earth’s twin due to its similar size and gravity. However, its surface conditions are extreme...

      Cosmos

      What If We Replaced the Moon with Jupiter Overnight?

      Do you love Jupiter? Do you love it so much that you could look at it every day? I hope so. Because it just took the Moon’s place, and Earth will never be the same...

      MSN New, Humanity

      What Would Happen If Humans Had a Mating Season?

      December is a very special month in many countries around the world. No, not because of Christmas. Because it’s baby-making month. Studies show December may have the...

      HTS MSN

      Which Sea Creature Is the Most Powerful?

      The ocean is one of the least explored places on Earth, yet it is home to some of the most incredible life forms ever discovered. From deep sea predators to massive...

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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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