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      What If Show
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      Earth

      What If Earth’s Topography Was Inverted?

      December 15, 2018
      Body

      50 Years With Braces: What Happens When You Never Take Them Off

      July 22, 2025
      Science

      What If We Stopped Recycling

      August 21, 2018
      Science

      What If Everyone on Earth Lived in One City?

      March 4, 2019
      Earth, MSN

      7 Ways Earth Was Completely Different 2 Billion Years Ago

      August 14, 2025
      Cosmos

      What If You Fell Into a Black Neutron Star?

      A dark, mysterious object has appeared at the outer edges of our Solar System. It looks like the remnants of a dying star. But it behaves like a black hole. Your mission...

      MSN New, Earth

      Clinging to Bare Walls: The Extreme Survival Tactic of Ibex

      Few animals can perform feats that seem to defy gravity quite like the alpine ibex. Watching one calmly walk across a nearly vertical cliff face is enough to make even...

      MSN New, Health

      World Health Day: What If All of the Bacteria Became Antibiotic Resistant?

      The Centers for Disease Control claims that 1 in 3 antibiotic prescriptions are unnecessary. Unnecessary antibiotics cause the body to build up a resistance to those...

      MSN New, Humanity

      The Forgotten History of the Stray Dog That Reached Space First

      When people think about the first living creature to travel into space, most imagine a human astronaut like Yuri Gagarin or perhaps a chimpanzee. But the true pioneer...

      MSN New

      What If Humanity Began Mining Asteroids?

      Space is full of treasures. Literally. If we were able to extract the resources from the rocks in the asteroid belt alone, we could give $100 billion to every person on...

      MSN New, Cosmos

      What If Jupiter Gained Enough Mass to Become a Star?

      What if Jupiter gained just a little bit more mass during its formation period, and then ignited to become a star? How different would our Solar System have turned out...

      MSN New

      Enormous Earthquakes Struck Venezuela

      A series of powerful earthquakes recently struck Venezuela, including two major tremors measuring around magnitude 7.2 and 7.5. The back to back quakes hit west of...

      HTS MSN

      You Crawl, You Bleed, You Freeze, and Nobody Lets You Stop

      You are exhausted. Your clothes are soaked, your skin is covered in sand, and your entire body is shaking from the cold. Every step feels impossible. Your hands and feet...

      MSN New, Earth

      The Octopus May Be the Closest Thing to an Alien on Earth

      When people imagine life on other planets, they often picture creatures unlike anything found on Earth. Perhaps they have blue blood, multiple brains, shape shifting...

      Earth, MSN New

      What If the Biggest Flying Animal Ever Still Ruled the Skies?

      Quetzalcoatlus lived around 72 to 66 million years ago during the Late Cretaceous period, when it blocked out the sun with its 12 m (40 ft) wingspan. When it landed on...

      HTS MSN

      The Deadliest Plague in History Had a Survival Playbook. Here’s What Worked

      The Black Death is a deadly plague that struck Europe and Asia in the 1300s. Eventually, it killed over 50 million people worldwide. Once its bacteria infects your body...

      Science

      What If Humans Could Do Photosynthesis?

      Imagine being able to sunbathe all day long. But instead of getting a nice tan to show off… You turn green! And get lazier. Don’t worry. It’s not the...

      Cosmos

      What If You Spent a Day on Every Planet in Our Solar System?

      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...

      HTS MSN

      Survival Guide to the Blue Ringed Octopus Bite

      This small, cute looking creature is one of the most dangerous animals in the ocean. It hides on shallow reefs, blending into its surroundings. While snorkeling or...

      Cosmos

      What If You Traveled Through a Black Hole?

      Dark, mysterious and consuming everything around them, black holes will rip apart anything that passes their event horizons. But could there be more? What would happen...

      Humanity

      What If We Created a Second Artificial Moon?

      We can build really big things in space. Okay, not that big – yet. But we’ve packed the Earth’s lower orbit with about 5,000 satellites – some...

      MSN New, Earth

      95 Times More Massive Than Earth, Hanging Where the Moon Used to Be

      The Moon weighs about one eightieth of what Earth does. That is why it can hang there for billions of years, tugging gently at our oceans, doing nothing worse than...

      Cosmos

      What If Jupiter Lost Its Atmosphere?

      As our biggest planet, Jupiter’s immense presence helps to hold our solar system together. Its massive size and gravitational pull give it a dense atmosphere, a...

      MSN New

      What Would Happen If Humans Built the Death Star?

      That’s no moon. It’s a space station. The enormous, planet-killing kind, designed for only one thing, to bring order to the galaxy. It’s Star...

      Science

      Could We Survive on Earth If It Was Spinning Twice as Fast?

      Some say life is a roller coaster. What if it was more like this? We don't notice the earth spinning now, so what would life be like if it spun a little faster? Would we...

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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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