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      MSN New, Earth

      Physicists Explain What Happens If a Needle Hits Earth at Light Speed

      3 months ago
      Cosmos

      What If You Fell Into a Black Neutron Star?

      February 1, 2023
      Science

      What If We Didn’t Have Free Will?

      March 3, 2019
      Body

      What If You Were Attacked by a Bear?

      February 21, 2022
      Cosmos

      Scientists Discovered Planets Even Better for Life Than Earth

      December 21, 2022
      Earth

      What If You Drilled a Hole at the Bottom of the Mariana Trench?

      This is the Mariana Trench, the deepest place on Earth. It stretches 11km (7 mi) down below sea level. But what if we made it even deeper? Get a giant drill because...

      MSN New, Science

      What If Neanderthals Still Existed Today?

      Neanderthal DNA is 99.7% identical to our own, and researchers claim that some humans might be carrying as much as 2% of the Neanderthal genome. Making things even...

      Humanity, MSN New, Technology

      A.I. Predicts World War 3 in 2026

      Skyscrapers that once pierced the night sky now stand as monoliths of darkness. Streets that buzzed with life are frozen in eerie silence. Cars stall in mid-traffic...

      Earth

      What If Sandworms Were the Size of Humans?

      Sandworms are gross-looking little things. Maybe a little bit cute. I almost feel bad using them as bait. What if instead of us hunting them, they were able to hunt us...

      Earth, MSN New

      What If the Sun Went Out for 24 Hours?

      The Sun generates its energy through a process called nuclear fusion. In its core, hydrogen atoms fuse together under the forces of extreme pressure and heat to form...

      MSN New

      The Secret Science Behind Why People See Ghosts

      Ghost stories have fascinated people for thousands of years. Strange figures in dark hallways, mysterious footsteps, and the unsettling feeling that someone is standing...

      MSN New

      What Would Happen Inside Your Body If You Swallowed Liquid Mercury?

      This metal can exist in all three states as a liquid, a vapor and a solid. And this toxic substance might be lurking inside you already. So what would happen if you...

      MSN New

      The Ancient Creature Behind the Real Unicorn Legend

      For hundreds of years, humans searched for proof that unicorns were real. Stories described magical creatures with giant spiral horns, and many believed these mysterious...

      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...

      Cosmos, Earth, Humanity

      48 Hours After Alien Contact

      It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an event that changes the course of history as...

      Humanity

      What If Monkeys Took Over the World?

      The monkeys have revolted. And not just with brute strength or violence. Primates have finally outsmarted humankind once and for all. It’s their planet now. How...

      Cosmos

      What If You Got Stuck in a 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

      Our Earth With No Gravity: What Would Happen?

      If gravity were suddenly gone forever we’d all realize pretty quickly how much we’re taking this universal force for granted.

      HTS MSN

      How to Survive a King Cobra Attack and Make It Out Alive

      The king cobra is one of the most dangerous reptiles on Earth. It is the longest venomous snake in the world and can be found across India, South China, and Southeast...

      MSN New

      Top 10 Scariest Extinct Creatures That Roamed the Earth

      Long before humans built cities, paved roads, and established civilization, planet Earth was ruled by creatures straight out of a nightmare. From depths of prehistoric...

      HTS MSN

      How to Stay Safe When Baseball-Sized Hail Starts Falling

      You’re driving your car on the highway, when you see something in the sky. Minutes later, you find yourself in a violent storm. Hail the size of a softball, and...

      HTS MSN

      Why You Never Hear an Owl Attack Coming

      Your hike in the woods ran a little late, and suddenly it’s pitch dark. You can’t see much, except for a pair of round, yellow lights. But they have started...

      Earth

      What If You Skydived Into a Tornado?

      They’re big, they’re scary and they can carry cars, cows and even a couple of houses. They can range from a simple dust storm to a force that can wipe out an...

      Health, MSN, MSN New

      The Hidden Risks of Rat Infestations, Including Hantavirus

      They’ll take over your house, contaminate your food, and leave their feces all over the place. And in some cases, they can even expose you to dangerous diseases...

      MSN New

      They Found the Biggest Anaconda in the World

      It started like any other expedition into the remote wetlands of South America. Thick jungle, slow moving rivers, and the kind of silence that makes every sound feel...

      Previous 1 … 36 37 38 39 40 … 89 Next

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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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