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      Earth

      What If All Helium Disappeared for 5 Seconds?

      September 23, 2022
      Science

      What If The World Was A Single Country?

      May 29, 2019
      Earth

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

      12 months ago
      Body

      What If You Never Coughed?

      April 7, 2020
      Body

      What If You Could Shapeshift?

      March 5, 2020
      MSN New

      What Discovery About These Planets Has Scientists So Terrified?

      HD 189733b may look like Earth’s evil twin, but it is far from the most extreme world in the universe. Astronomers have discovered several exoplanets that make...

      Earth, Cosmos, MSN New

      What If 3I/Atlas Collided With Earth?

      Interstellar objects occasionally enter our Solar System, providing insight into the composition and dynamics of distant regions of the galaxy. Among these objects, the...

      Humanity

      What If You Had as Much Money as Jeff Bezos?

      As the CEO and founder of Amazon, the multibillion dollar online shopping company, Jeff Bezos is the richest person on the planet. With a current net worth of $193.7...

      MSN New, Earth

      What If a Tornado Hit a Supervolcano Like Yellowstone?

      Imagine a tornado spinning over an erupting supervolcano. The result would be catastrophic beyond comprehension. While such a collision is incredibly unlikely, exploring...

      Cosmos

      What If Earth Orbited the Sun at the Speed of Light?

      Every year, our planet makes one full trip around the Sun. And while that means we’re already moving at breakneck speeds, we’re about to ramp that speed up. Like, way up...

      Humanity

      What 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, Cosmos

      Pluto’s Biggest Problem Isn’t What You Think

      Pluto has long been one of the most controversial objects in our Solar System. For decades it proudly held the title of the ninth planet, only to be reclassified in 2006...

      Cosmos

      What If Kepler 22-b Was in Our Solar System?

      Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary neighborhood. Where would this planet...

      MSN New

      What Happens When a Gamma Ray Burst Meets a Black Hole?

      What would happen if you took the most energetic explosion in the Universe and sent it straight into one of the most powerful gravitational objects ever discovered? On...

      MSN New, Cosmos

      What Would You See If You Landed on Every TRAPPIST 1 Planet

      39 light years from Earth, the TRAPPIST 1 system hides one of the most extraordinary planetary families ever discovered. Around a faint red dwarf star, seven Earth sized...

      Science

      What Happens If You Wake up During Surgery?

      At first, it’s very bright. But then, as your eyes adjust to the light, you start to piece together your surroundings. The moving blobs above you, you realize, are...

      Cosmos, MSN New

      What If Harnessing Zero-Point Energy Could Power the World Forever

      Imagine if we could collect the energy out of thin air. And I mean it quite literally. You know how you were taught that a vacuum is nothing but empty space? That...

      MSN New

      Avatar’s Pandora in Real Life is Terrifying

      Swipe Down for Full Video Story The world of Pandora captured audiences with its floating mountains, glowing forests, and breathtaking alien landscapes. In James...

      Humanity

      12 Catastrophic Events That Could Wipe Out Humanity

      Throughout history, humanity has faced existential threats like giant asteroids and invisible viruses. Despite the danger, we always bounce back. But how much longer can...

      Cosmos, MSN New

      What If You Fell Into a Black Hole?

      Falling into a black hole may sound like something from a science fiction movie, but it is a very real phenomenon studied by physicists for decades. Black holes are...

      Cosmos, MSN New

      What If a Nuclear Reactor Built by the U.S. Detonated on the Moon?

      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;...

      MSN New

      10 Scenarios That Could End Civilization by 2027

      As 2027 rapidly approaches, the global community stands on a razor-thin edge dividing existential hazards from era-defining scientific breakthroughs. From intensifying...

      Humanity, MSN New

      What Would Happen If Russia Started World War III Tomorrow

      Russia already takes up one-eighth of all of the inhabited land on the planet. And now it has its eyes on one of its European neighbors, Ukraine. Historically, Ukraine...

      Science

      What If You Stepped Into The Vacuum of Space?

      What would really happen if you went into space without a suit?

      Earth

      What If You Spent a Month on Snake Island?

      40 km (25 mi) off the coast of Brazil lies an island so dangerous it’s illegal to visit. But rules don’t apply to you. You’re a thrill-seeking...

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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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