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      Earth, Science

      What If Earth’s Atmosphere Was Pure Oxygen?

      June 29, 2019
      Cosmos

      What If Aliens Lived on The Moon?

      October 21, 2022
      Science

      What If You Could Make Yourself Invisible?

      April 15, 2019
      Earth

      What If We Poured Concrete Into a Volcano?

      September 22, 2021
      Cosmos

      What If You Got Stuck in a Time Loop?

      August 28, 2020
      Cosmos

      What If Each Planet Replaced Our Moon?

      Imagine if one day you looked up into the night sky, and saw Mars or Saturn where the Moon was supposed to be. That would sure turn our Earth into an alien world. And...

      Humanity, MSN New

      What If the U.S. Actually Invaded Iran?

      First of all, look at the map. Iran isn’t a country, it’s a fortress. Three times the landmass of Iraq. Four times the population. And mountains that...

      Earth

      What If There Was No Friction for 1 Minute?

      Friction is what allows us to move…and to slow down. Friction is how we pick things up …and hold on to them. To be totally honest, there isn’t much we...

      Cosmos, Earth

      6 Extreme Stars That Would Replace Our Sun and Destroy Life on Earth

      Imagine waking up one morning to find our Sun replaced by a cosmic powerhouse far stranger than anything we have seen. From giants that could swallow planets whole to...

      Cosmos

      What If We Built Cloud Cities on Venus?

      The Earth might not be here forever. A huge solar flare, an asteroid impact, or a local gamma-ray burst – anything could wipe us out for good. If we’re...

      Cosmos

      7 Facts If Space Was Hot Instead of Cold

      We think of space as an icy void, where temperatures drop to hundreds of degrees below zero and astronauts need layers of thermal protection just to survive. But what if...

      Cosmos

      What If Everything We Knew About Black Holes Was Wrong?

      Black holes are dense and scary. They suck up everything in their way. Their gravity is so strong it bends light and warps time. But what if I told you we might have...

      Cosmos, MSN New

      What If You Watched a Sunset on Every Planet?

      The Universe is packed with worlds where sunsets don’t just fade into night, they bend the rules of physics. From double sunsets to glowing ice and strobing pulsars...

      Humanity

      What If You Were The Only Man on Earth?

      There are 3.8 billion women on Earth. There were 3.9 billion men. But now, it’s just you…and your phone won’t stop ringing. Is this a fantasy? A...

      Cosmos, MSN New

      What Would Happen If Uranus Collided With Earth

      It’s been 30 days since Uranus first appeared in the sky. At first, it looked like our Moon had found itself a stellar partner. But then, we understood something...

      Earth

      What If We Knew the Time the Earth Will Die?

      Ah, the planet Earth, our beautiful home. We’d like to believe it will be around forever, but what if it isn’t? Aliens, comets, weapons of mass destruction, black...

      Earth, MSN New

      What Would Happen If We Dumped Our Trash Into Volcanoes?

      A volcano is one of the most unforgiving natural phenomenons on Earth. If you were to fall into its magma-filled center, your body would quickly bubble up, and disappear...

      Science

      What If We Stopped Doing Science?

      [dx_custom_adunit mobile_id=”RTK_v1lP”] Science. It has saved billions of lives, allowed us to discover new worlds, and helped the world’s...

      Science

      What If Earth Orbited Betelgeuse

      [dx_custom_adunit mobile_id=”RTK_v1lP”] Betelgeuse, Betelgeuse, Betelgeuse. Unlike in the movie, you don’t have to say it three times to make it...

      Cosmos

      What If Earth Were Sucked Into a Black Hole?

      Could a black hole devour us all one day? There are millions of them out there just waiting. And if we happened to make a black hole accidentally, well, you better...

      Science

      What If Earth Suddenly Lost Its Atmosphere?

      Let's say, the Earth's magnetic field took a break and allowed strong solar winds to strip away our protective space-blanket. Would Earth instantly turn into a big...

      Cosmos

      What If We Could Create a New Planet?

      Welcome to the Solar System construction zone. Today you’ll be using our cosmic sandbox to build a brand new planet. What would you need to create a rocky planet like...

      Humanity

      What If Mullaperiyar Dam Suddenly Collapsed?

      This is the Mullaperiyar Dam. It has been around since well before your grandparents were born. And it could fail at any moment now. What could cause the dam to collapse...

      Technology

      What If Every Home Had a 3D Printer?

      On average, over 8000 people die each year in the U.S. because they can’t get an organ transplant. What if we could actually rebuild our failing organs? That...

      MSN New, Humanity

      What If Trump and Putin Invaded Europe?

      This war didn’t come out of nowhere. The signs were hiding in plain sight. Trump slams Europe with devastating tariffs, crippling economies across the continent...

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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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