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      What If Show
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      Earth

      What If We Nuked an Active Volcano?

      March 11, 2020
      Cosmos

      What If a New Planet Formed in the Solar System?

      July 19, 2020
      Earth

      What If Jupiter Swallowed Earth?

      June 24, 2020
      Body

      What Exactly Happens If You Get Hospitalized With COVID-19?

      May 9, 2020
      Humanity

      What If We Knew the Time We Go Extinct?

      October 6, 2019
      HTS MSN

      He Built a Clever Alarm So He’d Never Oversleep, Then One Christmas It Killed Him

      In the mid 1880s, a hardworking lamplighter in New York came up with an unusual solution to a problem that could have cost him his livelihood: oversleeping. Sam...

      MSN New, Body

      You Just Fell Into a Pool of Blood-Sucking Lampreys, and Here’s What They Do to You

      Before you cannonball into that refreshing pool, look before you leap. It could just be filled to the brim with blood-sucking lampreys. And they’re hungry. How would...

      HTS MSN

      One Brother Tripped on a Stick, and That Was All the Mountain Lion Needed

      On March 23, 2024, brothers Taylen and Wyatt Brooks headed into the woods near Georgetown, California, to search for deer antlers. Both were experienced hunters and...

      MSN New, Cosmos

      Jupiter and Mars Just Swapped Orbits, and Here’s Why Earth Wouldn’t Survive It

      The delicate balance of the entire Solar System exists in a gravitational dance between planets. Swap the orbits of two of them and you could end up wreaking all kinds...

      MSN New, Earth

      Earth Just Gained 79 Moons Overnight, and Here’s How Fast It Turns to Chaos

      Look up tonight and you would see 79 moons instead of one. Most would look like unusually bright stars, but four of them would hang there as full glowing disks. It would...

      MSN New, Cosmos

      A Hole in Earth’s Magnetic Shield Is Drifting and Splitting in Two, and Satellites Are at Risk

      There is a weak spot in the magnetic shield protecting our planet, and it is not staying still. It drifts slowly westward, and measurements suggest it may be splitting...

      MSN New, Cosmos

      On Mars the Sunset Is Blue, and It Only Gets Stranger From There

      Everyone knows what a sunset looks like. Reds and oranges bleeding across the horizon, the day fading out the way it always has. Then you visit Mars, where the exact...

      MSN New, Cosmos, Earth

      Every Blazar We Can See Is Already Aimed at Earth, and Here Is How Long We’d Have

      Here is the part that unsettles astronomers. Every blazar we can see is already pointing its jet directly at Earth. Not most of them. All of them. Any blazar aiming its...

      HTS MSN

      Thousands Entered the Subway, Then a Deadly Gas Attack Began

      Millions of people packed into Tokyo’s subway system on the morning of March 20, 1995, exactly as they did every weekday. Trains ran on time. Office workers drank...

      MSN New

      If All Wildlife Disappeared, Humans Might End Up as the Lab Rats

      Rodents make up 75 percent of all animals used in scientific testing. They breed easily, and their physiology and genes overlap enough with ours to stand in for us. Take...

      MSN New, Earth

      The Largest Dinosaur Ever Is Still Roaming Earth, and Here’s the Danger

      Imagine walking across a field and suddenly seeing an animal taller than a building, stretching farther than a basketball court. It sounds impossible, but creatures of...

      MSN New, Earth

      What Scientists Found When They Played Music to Animals

      Have you ever played your favorite song for your dog or cat and wondered whether they actually enjoy it? Your pet may sit quietly beside you while the music plays, but...

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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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