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      Science

      What If You Fell Into a Volcano?

      June 1, 2019
      MSN New, Humanity

      Are Scientists About to Discover Alien Life in 2026?

      5 months ago
      Science

      What if You Died in Space?

      February 25, 2019
      Earth

      What If Jupiter Swallowed Earth?

      June 24, 2020
      Earth

      What If the Kraken Was Real?

      January 27, 2020
      Earth

      What If We Could Reheat the Earth’s Core?

        Forget a doomsday asteroid or melting permafrost. It’s the freezing of Earth’s core that will end the world in today’s episode. Or would it? Because maybe, just...

      HTS MSN

      518 Men Sleep in a Room Built for 170, and That’s Not the Worst Part of This Prison

      Picture this. You just got arrested in the Philippines. You haven’t been convicted of anything, but suddenly you’re inside Manila City Jail, surrounded by...

      MSN New

      What Happens If Everyone Flushed at the Same Time?

      What if everyone on the planet coordinated to perform the biggest “flush mob” in history? Pushing all the wastewater in the world down the drain, all at once...

      MSN New, Earth

      The 5 Hunters Evolution Should Have Never Created

      Evolution does not have a conscience. It does not ask whether something should exist. It only asks whether it works. And sometimes, what works is horrifying. Over...

      Earth

      What If Walls Could Protect Coastal Cities Against Rising Sea Levels?

      Could you imagine jumping from the kitchen window and diving into water? How fun would that be? For some people, sure. It seems unlikely, but it’s not as crazy as...

      MSN New, Cosmos

      Ranking The Most Disturbing Planets Ever Discovered

      The universe is home to trillions of worlds, but not all planets are created equal. Some are scorching enough to melt rock, others are battered by storms of molten...

      MSN New, Earth

      A Giganotosaurus Attacked a Troodon, but the Tiny Dinosaur Had One Advantage

      It’s brain vs. brawns in the ultimate dinosaur showdown. In one corner, we have the giganotosaurus and in the other, the troodon. Although they lived in two...

      MSN Gallery

      How Long Could You Actually Survive on Each Planet?

      Body-crushing pressure. Toxic atmospheres. Unbearable temperatures. That’s what would be in store if you visited other planets in our Solar System. But what other...

      Cosmos

      What If the Great Attractor Swallowed Our Galaxy?

      These balls represent one of the strangest phenomena currently taking place in our Universe. Each ball symbolizes one of 100,000 galaxies — including our own...

      Cosmos, MSN New

      6 Facts If We Dumped All Earth’s Water on the Sun

      Things are getting hotter and hotter here on Earth, and global warming has everyone panicking. But let us try a wild idea: what if we took every drop of Earth’s water...

      Science

      What If You Fell Into a Spent Nuclear Fuel Pool?

      You just fell into a pool with this thing. What is this? How would falling in here affect your health? And could you actually survive this? This is a spent nuclear fuel...

      MSN New, Cosmos

      −270°C and Not a Single Star in Sight: Welcome to the Boötes Void

      Imagine pointing the fastest spacecraft imaginable toward a destination so distant that even light would need hundreds of millions of years to reach it. After an...

      MSN New, Humanity

      Religion Never Existed, and Human History Would Look Completely Different

      Are you religious? If you are, a huge part of your life is probably shaped by your beliefs and religious community. If you’re not, you might stare with bewilderment at...

      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

      Have We Already Made Contact With Aliens?

      Since the 1960s, scientists working with SETI (Search for Extraterrestrial Intelligence) have been monitoring the universe for artificial radio signals. The idea is...

      Cosmos, Humanity, MSN New

      Why Artemis II Doesn’t Mean Humans Can Settle on the Moon Yet

      Imagine living on the Moon. You’d have the best view of Earth, enjoy bouncing around in zero gravity and living your life as an astronaut explorer. Ah...

      HTS MSN

      Why Playing Dead Would Never Actually Stop a Charging Elephant

      This safari incredible. You’ve seen lions, cheetahs, and other amazing wildlife. Your friends are going to love these photos. Suddenly, the ground starts shaking...

      MSN New, Earth

      Earth Just Gained a Second Moon, and Here’s What It Does to Us

      Despite what you think, the Earth isn’t really the monogamous type. Along with the Moon, Earth has another moonlike companion – a small asteroid wandering...

      MSN New, Earth

      The World’s Longest Bridge Is Tiny Compared to This, and Building One Across an Ocean Would Change Everything

      The desire to get to one place from another has been with us for a long time. In Mycenae, Greece, ancient remnants of bridges have been found dating back to about 1600 B...

      MSN New, Humanity

      From Mammoth Hunters to Cave Artists: Uncovering the Secrets of the Stone Age

      The Stone Age started 2.6 million years ago and ran for nearly 2.5 million years. Across that span, our ancestors survived three ice ages, chronic shortages of food, and...

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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

      What If You Jumped Into a Pool of Hand Sanitizer?

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