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      Cosmos

      What If We Found Alien Life on Enceladus?

      November 20, 2019
      Cosmos

      What If the Planets Were Knocked off Course?

      January 30, 2023
      Earth

      What If the Megalodon Was Hiding in the Mariana Trench?

      December 6, 2021
      Earth

      What If We Could Control The Weather?

      August 24, 2018
      Earth

      What If the Megalodon Shark Fought the Mosasaurus?

      June 18, 2020
      Earth

      What If the Atmosphere Was 10% Deep Voice Gas?

      Sulfur hexafluoride, now that’s a mouthful. It sure is! It’s more commonly known as SF6 or deep voice gas because, well, it makes your voice deeper! But...

      HTS MSN

      You Sailed Into the Bermuda Triangle, and Then Your Instruments Stopped Working

      You were looking forward to a relaxing cruise across the Atlantic, but suddenly something feels very wrong. The ship begins rocking violently, your navigation equipment...

      Cosmos, Earth

      What If Earth and Moon Switched Sizes?

      Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How would life on our planet change? Could humans...

      HTS MSN

      300 People Die Here Every Year, Then an Entire Bus Disappeared Into the Fog

      Deep in the mountains of Bolivia, there is a road where a single mistake can turn an ordinary journey into a fight for survival. For decades, the North Yungas Road...

      HTS MSN

      He Survived North Korea’s Famine, Prisons, and Two Failed Escapes

      He was eleven years old, standing in a public square with other children from his neighborhood. In front of them, a man was tied to a post while a firing squad raised...

      Earth

      What If We Powered the Planet With Lightning?

      Every time you watch a thunderstorm outside your window, you’re witnessing the energy of an atomic bomb. Now imagine harvesting that raw energy and using it to...

      Earth

      What If Megalodon Fought Titanoboa?

      It’s the matchup you’ve been waiting for, the clash between some of the biggest titans that ever roamed the Earth. Today, we’re going back in time to...

      Earth

      What If You Fell Into a Pool Filled Snake Venom?

      Did you know that a single snake bite can kill an adult elephant in just a few hours? And if you’re not careful, snake venomc can kill you in only 15 minutes. But...

      MSN New, Earth

      This Fish Lives 5,000 Meters Below the Surface, and It Looks Like a Monster

      Deep beneath the ocean’s surface lives a creature so strange that it looks more like an alien than a fish. With oversized fangs, a massive head, and a body adapted...

      HTS MSN

      She Turned Her Back on a Siberian Tiger, Then It Bit Into Her Head

      Jan Gold expected the evening at Zoo Boise in Idaho to end like any other fundraiser. Instead, a 600 pound Siberian tiger would knock her to the ground and bite into her...

      HTS MSN

      She Was Trapped Between Two Parts of the Ride, and the Audience Thought It Was Part of the Act

      Disneyland is famous for turning imagination into entertainment. Guests arrive expecting thrilling rides, colorful shows, and attractions designed to make them forget...

      MSN New, Cosmos

      Alien Microbes Could Reach Earth, and They Would Find No Natural Predators

      When people think about space threats, they usually imagine asteroid impacts, solar storms, or distant supernova explosions. But some scientists warn that the most...

      HTS MSN

      Why You Wouldn’t Survive El Chapo’s Prison Cell

      Imagine spending years without seeing the sky or hearing another human voice. Your world is reduced to four concrete walls, a steel door, and silence so intense it...

      HTS MSN

      How to Escape a Wildfire That Cuts Off Your Way Out

      You and your family decide to take a camping trip in the great outdoors. You’re relaxing in your tent, when suddenly, you smell smoke. You assume the kids are...

      Earth, MSN, MSN New

      What If Scientists Could Control Hurricanes?

      Every year, hurricanes batter the North Atlantic and affect millions of people. The damage can be catastrophic, and these storms are getting worse. But what if we had a...

      MSN New, Health

      What Would Happen If You Spray Tanned Every Day for a Year?

      You’d love to have that healthy, sun-kissed tan all year round. But too much sun and you could get a nasty sunburn or even skin cancer. Spray tanning sounds like a way...

      MSN New, Humanity

      What If the Allies Lost WWII?

      World War II changed the course of human history, shaping the borders, governments and technologies that define the modern world. But what if the outcome had been...

      Earth

      What If a Megalodon Shark Fought the Kraken?

      The megalodon, the big boss of our ancient oceans, the king of all sharks, killer of whales. If you’re a fan, you’ve already witnessed our megalodon vs. mosasaur episode...

      Cosmos

      What If Earth Had a Large Elliptical Orbit?

        What if Earth’s orbit ventured as far from the Sun as Pluto, and got as close to it as Venus? Would the Sun burn the planet to a crisp at the closest...

      HTS MSN

      Doctors Gave Up on Her, Then She Beat Rabies Against All Odds

      Rabies is one of the most terrifying diseases on Earth. A single bite from an infected animal can begin a deadly race against time. Once the virus reaches the brain...

      Previous 1 … 15 16 17 18 19 … 122 Next

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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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