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      Body

      What If You Only Drank Breast Milk?

      October 15, 2021
      Earth

      6 Things That Would Happen If an Asteroid Hit Earth in 2024

      July 24, 2025
      Science

      What If We Could Breathe Underwater?

      May 25, 2018
      Science

      What If We Built an Artificial Planet?

      November 29, 2018
      Humanity

      What If Humans Suddenly Became as Big As Dinosaurs?

      12 months ago
      HTS MSN

      These 5 Parasites Can Burrow Into Your Body. Here’s How to Survive

      Parasites are creatures that need a host organism to feed on, survive in and sometimes reproduce inside. And guess what? The human body is a favorite neighborhood for...

      Cosmos

      What If You Fell Into a Black Neutron Star?

      A dark, mysterious object has appeared at the outer edges of our Solar System. It looks like the remnants of a dying star. But it behaves like a black hole. Your mission...

      MSN New, Cosmos

      Scientists Discovered the Bermuda Triangle of Space

      Swipe Down for Full Video Story Deep above the South Atlantic Ocean, there is a region of space that has puzzled scientists and space agencies for decades. In this zone...

      Earth

      What If Carbon Disappeared for 5 Seconds?

      This is carbon. And of all chemical elements in the Universe, it’s one of the most plentiful. So what would happen if all of it suddenly disappeared for five...

      Earth

      What If Earth Gradually Came to a Standstill?

      Right now, wherever you are, you are spinning with our planet at hundreds of meters per second. But what if our planet started hitting the brakes until our world didn’t...

      Earth

      What If the Megalodon Shark Never Went Extinct?

      An ancient creature is lurking in the ocean. It’s double the size of a T.rex. Its gigantic jaws could crush a car. And now, it’s on the hunt for you...

      HTS MSN

      A British Naturalist Heard the Screams All Night, and the Legend Was Born

      He was a naturalist, not a soldier, attached to British forces on an island off the coast of Burma. What he described hearing that night in 1945 turned into one of the...

      MSN New

      What Would Happen If Humans Built the Death Star?

      That’s no moon. It’s a space station. The enormous, planet-killing kind, designed for only one thing, to bring order to the galaxy. It’s Star...

      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...

      MSN New

      The Forgotten Map That Historians Say Turned California Into an Island

      For more than 200 years, one of the world’s most famous maps showed something that was completely wrong. It placed California not as part of the North American...

      MSN New, Earth

      If Earth’s Magnetic Field Vanished, Would We Even Notice in Time?

      There is an invisible force protecting us, keeping our atmosphere in place. Without it, life on Earth would be over very quickly. I’ll play with the music or a...

      Earth, MSN New

      5 Most Dangerous Abandoned Places in the World

      When you travel to an abandoned place, it’s important to remember that people left these towns for a reason. It could be due to dangerous human activities...

      Earth

      What If Ice Was Hot Instead of Cold?

      So, what exactly is hot ice? Well, it’s simple. It’s made by boiling baking soda, vinegar, and a little bit of water. From that, you get sodium acetate...

      HTS MSN

      The Webcam Was Still Recording When the Volcano Erupted, and 22 Never Came Home

      December 9, 2019. Whakaari, better known as White Island, sits about 48 kilometers off the coast of New Zealand’s North Island, steaming quietly the way it has for...

      Humanity

      Why 99% of Humanity Is Lost to Time

      As the nukes dropped on every major city around the globe, everyone sought shelter, but there was nowhere to hide. In an instant, civilization as we knew it was...

      Humanity, MSN New

      What If We Created an Artificial Planet?

      What if, someday, we decided that the usefulness of our planet had run its course, and humans needed to scour space to find somewhere new to live? But instead of finding...

      HTS MSN

      Inside Japan’s Most Dangerous Festival

      Every six years in Japan, thousands of people gather in the Suwa region to witness one of the world’s most dangerous religious festivals. Massive logs thunder down steep...

      MSN New, Humanity

      See What Underwater Humans Could Look Like

      Swipe Down for Full Video Story Humans are perfectly adapted for life on land, but what if evolution had pushed us back into the oceans instead? Over millions of years...

      Earth

      What If We Sunk Our Trash in the Mariana Trench?

      All over the world, people are treating bodies of water like they are giant garbage dumps. And experts say that continuing these practices will result in catastrophic...

      MSN New, Earth, Humanity

      8 Moments in Earth’s Past, and You Would Not Survive a Single One of Them

      Time travel sounds like a gift until you look at the destinations. Earth has spent 4.5 billion years cycling through conditions that would kill a modern human within...

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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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