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      Body

      Why You Shouldn’t Stay in a Hot Tub

      December 9, 2022
      Cosmos

      What If We Sent All of Our Garbage Into Space?

      October 22, 2018
      Earth

      What If You Moved an Entire City?

      September 17, 2021
      Body

      What If Everyone Lived for 150 Years?

      March 4, 2022
      Humanity

      What If You Lived Fifty Years in the Future?

      July 6, 2018
      MSN New, Cosmos

      Uranus Is on a Collision Course With Earth, and the Result Is Staggering

      Imagine looking up at the night sky and seeing a bright blue planet where the Moon should be. At first, it would look like a beautiful cosmic event. But then astronomers...

      Cosmos

      What If a Supernova Exploded Close to Earth?

      As much as we love to blow stuff up here on Earth, no bombs or pyrotechnics could compare to the incredible force of nature’s biggest explosion, the supernova. As...

      HTS MSN

      Gemini’s 2027 Prediction Is Scarier Than You Think

      You wake up in January 2027. Nothing feels wrong. No alerts. No breaking news screaming at you. Just another year starting like all the others. But underneath the...

      MSN New, Earth

      Born Before the Telephone, This Whale Could Still Be Alive Today

      When it comes to extreme lifespans in the animal kingdom, the bowhead whale stands in a league of its own. Deep in the freezing Arctic waters, this enormous marine...

      MSN New, Earth

      How Roller Coasters Were Invented and Why They Were Meant to Save Us From Immorality

      Every year, hundreds of millions of people willingly climb into machines designed to make them scream. They are lifted to terrifying heights, dropped at incredible...

      MSN New, Cosmos

      If the Sun Collided With a Black Hole, Here’s How Long Earth Would Last

      A black hole is on a collision course with our Sun. And there’s nothing left for you to do except sit back and watch the destruction of our entire Solar System. How...

      Humanity

      What If You Were the Last Human on Earth?

      For whatever reason, you are the last human on Earth. So what do you do? Eat like a king? Move into Buckingham Palace? Drive fast? Blow things up? Be naked all the time...

      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...

      MSN New, Earth

      A 60 km Crack Tore Through Africa, and the Continent Is Still Splitting Apart

      You’ve seen politics and national borders change all the time, but have you ever witnessed a continent literally breaking apart? Well, it’s possible, and...

      MSN New, Earth

      It Feels Your Heartbeat Stop, and Only Then Does It Let Go

      The coils tighten, and somewhere inside all that muscle, the snake is listening. It is not waiting for you to stop struggling. It is not waiting for you to stop...

      MSN New, Earth

      Its Skin Swallows 99.5 Percent of All Light, Which Is Why Nothing Ever Sees It Coming

      Point a light at it and the light does not come back. Almost none of it, anyway. The skin of this fish absorbs up to 99.5 percent of everything that touches it, which...

      MSN New, Humanity

      What to Do If You’re Stranded Deep in the Forest

      Wandering off a hiking trail might start as an innocent way to explore nature, but now everything around you looks identical. The trees all blend together, the path has...

      MSN New

      What Would You See If You Had Eyes Like a Fly

      Oh my. Have you done something different with your peepers? Like maybe swapped them out for a pair of freakishly oversized fly eyes? They look functional. How would you...

      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

      We Detected a Mysterious Signal From Proxima b, and It Could Be an Alien Message

      Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest exoplanets, Proxima Centauri b. What conditions...

      Earth

      What If Earth’s Core Were a Geo-Reactor?

      Deep beneath the Earth lies a mysterious and powerful force. A wellspring of nuclear energy which could one day rip us apart. Many scientists have found clues that...

      MSN New, Earth

      You Survive Earth’s Worst Mass Extinctions, but Nature Keeps Trying to Kill You

      Since the beginning of time, Earth has created life and then wiped out most of it in catastrophic, ultra-destructive moments. Starting with the very first extinction...

      HTS MSN

      Lost on Everest For Six Days, Sherpa Found Alive

      A Sherpa was missing for six days in Mount Everest’s death zone. He survived on discarded food left behind by previous climbers as he slowly crawled his way back to base...

      MSN New, Earth

      The Most Powerful Sea Creatures Compared

      The ocean is home to some of the most extraordinary creatures on the planet. From tiny deep sea hunters to massive gentle giants, its waters hide animals that are both...

      MSN New, Earth

      Why Farmers Started Painting Their Cows to Look Like Zebras

      At first glance, it looks like a prank. A black cow covered in white stripes could easily be mistaken for a zebra from a distance. But this unusual paint job isn’t...

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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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