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      Earth, Humanity

      100 Years Into the Future: What Life on Earth and Beyond Could Look Like

      August 7, 2025
      Science

      What If We Geo-Engineered Earth?

      January 23, 2019
      Science

      What If the Universe Ended Tomorrow?

      January 21, 2019
      Body

      What If You Swallowed a Hornet?

      May 5, 2021
      Humanity

      What If You Lived During the Middle Ages?

      July 4, 2019
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      Cosmos

      What If All the Planets of the Solar System Were in the Habitable Zone?

      Make room, earthling. We’re moving the other planets in our Solar System into our planetary neck of the woods. Would all the planets fit into this Goldilocks zone? What...

      MSN New, Earth

      The Name Says Bird Eater, and That Was a 300 Year Old Misunderstanding

      Somewhere in the 1700s, an artist drew a giant spider devouring a hummingbird. That single illustration gave the animal its name, and the name has been misleading people...

      MSN New, Earth

      This Bacteria Can Break Down Plastic That Pollutes Our Planet

      For decades, plastic has been building up across the planet. It fills landfills, floats through oceans, and has even been discovered in drinking water, food, and the air...

      Science

      What If Humanity Became an Interstellar Society?

      What if humanity grew to be so technologically advanced that we were able to leave our Solar System and spread across interstellar space? Would we hop from one exoplanet...

      MSN New

      What Happens If You Don’t Blink for a Week?

      Welcome to the longest staring contest of your life. You’re about to go seven days without blinking. What device would keep your eyes forced open? How long would it take...

      Earth, MSN New

      What Really Happened After the Dinosaurs Went Extinct?

      Sixty-six million years ago, an asteroid as big as Mount Everest was headed on a deadly collision course with Earth. The impact was so devastating that it wiped out the...

      HTS MSN

      He Stepped Into Quicksand, and the Rescue Took 12 Terrifying Hours

      In the middle of a hike through Utah’s Zion National Park, Ryan and his girlfriend Jessika were crossing a pond after spending hours on the trail. They had already...

      MSN New, Earth

      New York Could Lose Almost Everything, While Florida Disappears Completely

      Sea levels have gone up 20cm (8″) since 1850, but it was unevenly distributed around the globe. That’s roughly half the height of a bowling pin, 3.5 times the size...

      Earth

      What If We Could Control The Weather?

      Order some rain for your dry lawn, cancel the upcoming tornado, schedule a week of sunshine for your vacation… What if we could manipulate the weather just like...

      Earth

      What If Earth Was Shaped Like a Donut?

      On our hypothetical journey, we’ve already tested out living on a flat Earth, a cubical Earth, even a hollow Earth. What do you say we try to survive on an Earth...

      MSN New, Earth

      The Technology That Could Finally Free Humanity From Earth’s 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...

      Earth, MSN New

      What If We Built a Road Around the World?

      Imagine an ultimate road trip across the globe. On a highway along the equator. Wait, there is no highway along the equator… yet. So how about we build one? What...

      MSN New

      The Reason Termites Lick Their Own Queens to Death

      Termites are some of the oldest insects on Earth, with fossils dating back around 130 million years to the Early Cretaceous period. Today, they can be found on six of...

      MSN New, Humanity

      We No Longer Need Cables to Power Anything, and the World Changes Faster Than Ever

      It’s still early in the 21st century. The world is moving faster than ever, and it shows no signs of slowing down anytime soon. But wait a minute. Does faster mean...

      Earth

      What If the Earth Stopped Spinning for 5 Seconds?

      Hang on because we’re about to screech to a halt. That’s right. The Earth is going to stop spinning for five seconds. How much damage would this sudden stoppage cause...

      HTS MSN

      500 km of Destruction Is Coming, and There Is Nowhere to Hide Outside

      It’s time to batten down the hatches. An unforgiving, uncompromising, and unstoppable force of nature is heading your way. A hurricane. Hurricanes are one of the most...

      HTS MSN, Health

      How Long Could You Survive Ebola?

      An ordinary trek through the forests of West Africa suddenly turns terrifying. A startled bat swoops overhead and bites your hand before disappearing into the trees. At...

      MSN New, Humanity

      Nuclear Rockets Could Get Us to Mars in Weeks, and They’re Almost Here

      By the year 2035, NASA plans to send humans to Mars. But it would be about a nine-month trip with our current rocket technology. However, in the not-so-distant future...

      MSN New, Earth

      How Long Could Life Survive If the Oceans Froze?

      I hope you’ve packed some ice skates for your next trip out to sea because the oceans have completely frozen over. What conditions could cause this massive oceanic...

      MSN New, Earth

      They Drilled 3.5 Kilometers Into a Volcano, but Something Could Go Very Wrong

      Volcanic eruptions can be devastating. So what if we took extreme actions to prevent them? How could we drill into a volcano? What would be the benefits of doing this...

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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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