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      What If Show
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      Earth

      What If We Painted Earth White?

      February 1, 2021
      Cosmos

      What If You Jumped Into Saturn?

      September 12, 2025
      Body

      What If You Were Sucked Into a Whale’s Blowhole?

      June 16, 2021
      Cosmos

      What If We Discovered Alien Life on Mars?

      February 22, 2021
      Science

      Diving Into a Black Hole: Adventure or an Abyss?

      March 28, 2018
      Earth, MSN New

      What If We Killed All Mosquitoes?

      Swipe down for full video story! Mosquitoes are the deadliest animals on Earth, responsible for nearly one million human deaths each year. They transmit diseases such as...

      MSN New, Cosmos

      What Would Actually Happen If a Quasar Entered Our Solar System

      Imagine you’re out for a walk on a lovely day, with not a care in the world. The birds are singing, and the sun is shining. Actually, the sun seems brighter than usual...

      MSN New, Earth

      A Train From New York to London in Under an Hour? Here’s How It Could Work

      Imagine what it would be like if you could wake up in your New York City apartment at 7:00 a.m., and make it to your job in London, England by 9:30 in the morning. That...

      HTS MSN

      How Long Could You Survive Lost in the Andes Mountains?

      There’s nothing better than being in the mountains. The air is fresh and cool. The scenery is like the Lord of the Rings movies. What could be better? Suddenly...

      Cosmos, MSN New

      Imagine If You Spent 100 Years on Mars?

      It’s been 100 Earth years since you settled on Mars. You’ve been through pain, loneliness and a lot of hard work. And now Mars is the new promised land everyone...

      HTS MSN

      5 Poachers Went Hunting for Rhinos, but an Elephant Stopped Them and Lions Finished the Job

      South Africa’s Kruger National Park is huge and includes about five million acres of wild land; within it are some of the world’s most protected animals...

      MSN New, Earth

      If Earth’s Atmosphere Vanished, Here’s How Long You’d Last

      The air around you is so ordinary that you rarely think about it. Yet every breath, every sound you hear, every cloud in the sky, and every drop of liquid water depends...

      Cosmos, MSN, MSN New

      Nuking Every Planet in the Solar System

      Humanity has built some incredibly destructive weapons. There are still roughly 12,000 nuclear warheads on Earth today, capable of causing catastrophic damage to human...

      MSN New, Humanity

      Divide It Perfectly Today, and the Billionaires Would Simply Rebuild Themselves

      Split every dollar on Earth evenly tomorrow morning, and the billionaires would start climbing back before the year was out. Not because of conspiracy. Because of...

      MSN New, Earth

      If a Supernova Exploded Near Earth, Could We Survive It?

      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...

      MSN New, Earth

      What If We Turned Death Valley Into a Giant Lake?

      Humans have a knack for changing the environment. Often, these projects have effects we didn’t plan for. Sometimes, it’s disastrous. And other times, it gives us energy...

      MSN New, Technology

      What If Artificial Intelligence Went Rogue

      Right now, we’re at a stage where we trust AI. The future is still bright for this type of technology, and there’s so much that we don’t know yet. With...

      MSN New, Earth

      The World’s Biggest Nuclear Bomb Is Taken to the Bottom of the Mariana Trench, and Then It Begins

      Today we’re dropping a big bomb into the deepest part of the ocean. So grab a surfboard and get ready to hang ten on the waves of a massive nuclear tsunami. How would...

      MSN New, Humanity

      Touching Metal at Absolute Zero Could Freeze Your Hand to the Surface and Leave You Needing Amputation

      It’s about to get a little chilly in here. What’s the coldest you’ve ever been? Well today, we’re cranking that down a notch. Today, you’re heading into absolute zero...

      MSN New, Earth

      Every Satellite Suddenly Stops Working, and Modern Civilization Starts Falling Apart

      The night sky looks empty. It isn’t. There are thousands of satellites up there right now, along with a great deal of debris, and almost none of us give them a...

      Humanity

      What If Ukraine Couldn’t Grow Food This Summer?

      The war in Ukraine has altered the lives of millions. And has sent prices for goods like oil and natural gas skyrocketing around the world. But the worst may be yet to...

      Earth

      What If You Built a Pipe to the Bottom of the Mariana Trench?

      This is the longest underwater pipe on Earth. It stretches to the bottom of the deepest place on the planet, where only a few people have ever visited. And we’re...

      Science

      What Would It Take to Terraform the Moon?

      Obviously, we can't just pack our stuff and move there today. But what if we terraformed it - reshaped it into an Earth's image?

      Earth

      What If You Fell Into a Pool Full of Sharks?

      Sharks are the oceans’ primary predators. Eating every fish in their path. But what if you ended up in a pool full of them, and you were the prey? What would...

      MSN New

      How to Get People to Tell the Truth, According to Science

      When you ask someone a question, you expect a truthful answer, right? In an ideal world, people would always be honest. But research suggests reality is far messier than...

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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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