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      Earth

      What If Spinosaurs Were Still Swimming Today?

      September 25, 2025
      Humanity

      What If We Covered All the Roads with Solar Panels?

      August 19, 2020
      Body, Science

      What If You Cloned Your Body?

      July 31, 2018
      Earth

      What If the Giganotosaurus Battled the Troodon?

      July 16, 2020
      MSN New, Humanity

      See What Underwater Humans Could Look Like

      5 months ago
      MSN New, Humanity

      Aliens Just Took Over Earth, and Nothing Can Stop Them From Farming Us

      Every animal on this planet lives at our convenience. We decide which ones get eaten, which get displayed behind glass, which sleep on the sofa, and which get hunted for...

      HTS MSN

      Why He Didn’t Survive The World’s Deepest Cave

      Deep beneath the mountains near the Black Sea lies Veryovkina Cave, the deepest known cave on Earth. The cave is filled with narrow tunnels, underground rivers, freezing...

      Cosmos, MSN New

      What If the US Built a Nuclear Reactor on the Moon – and It Exploded?

      Imagine looking up at the moon and seeing space dust floating around it. Maybe broken-off parts of the moon are raining down on Earth. You’d wonder what happened;...

      Earth, MSN New

      What Would Happen If We Brought Dinosaurs Back to Life?

      Welcome to Jurassic World. In real life. Let’s bring back some of the most dangerous creatures to ever roam the Earth. What could go wrong? Right? How would we be able...

      Humanity

      What If We Raised Dinosaurs for Food?

      With the world’s population growing every year, we need to find ways to produce more food. So, if we could bring dinosaurs back from the dead, would you eat them...

      Cosmos

      What If Jupiter Collided With the Smallest Star?

      The biggest planet in the Solar System. And the smallest star in the known Universe. Today, they are on a collision course. And Earth might not survive this. Meet the...

      MSN New, Cosmos

      What If You Jumped Into Saturn’s Rings?

      Since its discovery in 1610 by Galileo, the rings of Saturn have enchanted us for centuries. Remarkably, we’ve visited Saturn before. Stunning photographs taken...

      MSN New, Earth

      The Moon Would Vanish, and Life on Earth Would Never Be the Same

      Since the dawn of human curiosity, the Moon has been a constant fixture overhead, quietly pulling at the tides, marking the passage of time, and shaping conditions on...

      MSN New, Cosmos

      Physicist Clifford Johnson Explains What’s Really Inside a Black Hole

      Star is about to transform into a black hole. And we’re about to travel inside it to see what’s on the other side. The only problem is that we’ll never...

      HTS MSN

      5 Dangerous Mistakes People Make During a Snake Attack

      A snake bite can turn into a life threatening emergency within minutes. Every year, millions of people around the world are bitten by venomous snakes, and some cases...

      MSN New, Earth

      Earth Loses Oxygen for One Hour, and Your Inner Ear Is the First to Burst

      Imagine if all the Earth’s oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And...

      MSN New, Humanity

      Humanity Could Become a Civilization Powerful Enough to Control the Universe

      Humanity has only just begun to scratch the surface of its potential, yet some scientific theories suggest we could one day evolve into something almost unrecognizable...

      MSN New, Humanity

      What It Would Really Feel Like to Be Trapped in an Endless Time Loop

      Monday. Tuesday. Wednesday. Wednesday. Wednesday. Again? Wednesday. I feel like we’ve done this before. Wednesday. Does anybody else notice this? Wednesday. How do...

      Science

      What If There Was a 3rd Industrial Revolution?

        What are the ingredients for an industrial revolution? It’s simple! Take some new energy sources, add a dash of cutting-edge communications technology, and...

      HTS MSN

      Hangover Headache? Science Explains How to Fix It

      After a night of drinking, the morning after can feel like a punishment your body is not prepared for. Dry mouth that feels like sandpaper, a pounding head, a face that...

      MSN New, Earth

      The Most Radioactive Places on Earth – Ranked by Danger

      Radiation is all around us. If you’ve been on a plane or had an X-ray at the dentist, you’ve been exposed to tiny amounts of radiation. The radiation you’d receive...

      HTS MSN

      She Was Warned Not to Swim There, Hours Later a Crocodile Pulled Her Under

      In 1987, 24 year old American Ginger Meadows was visiting Cascade Falls in Australia, expecting to enjoy the beautiful scenery and warm weather. What she did not expect...

      HTS MSN

      How to Escape a Dam Break Before the Water Reaches You

      You’re curled up at home, safe and dry, while it pours outside. It’s been an unusually rainy season and, unfortunately, the local dam wasn’t designed very well. In fact...

      Cosmos, MSN New

      What If Saturn Replaced our Moon?

      A huge gas giant suddenly appears in the sky. You look up in wonder. It’s beautiful. The second Saturn replaces our Moon in its orbit, Earth would just as suddenly...

      HTS MSN

      How to Stay Alive as the Last Person Left on Earth

      You wake up one morning and something feels wrong. The usual sounds of traffic outside your window are gone. There are no voices, no footsteps, and no signs of everyday...

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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.

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