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      Earth

      What If Earth Reached Boiling Point for 5 Seconds?

      December 7, 2022
      Cosmos

      What If Earth Orbited Jupiter?

      December 28, 2022
      Earth

      What If We Sunk Our Trash in the Mariana Trench?

      September 10, 2020
      Body

      What If Humans Could Fly?

      December 3, 2020
      Body

      What If You Were Trapped in a Tanning Bed for 24 Hours?

      August 11, 2021
      Cosmos

      What If Everything You Knew About the Universe Is Wrong?

      13.8 billion years ago, the entire Universe emerged from one single point in space. This theory is known as the Big Bang. And it’s the most widely accepted story of the...

      Earth

      What If Earth Was As Small as Pluto?

      It’s a small world after all, because today, we’re shrinking Earth to the size of Pluto. But if our planet was this tiny, how would it alter the atmosphere...

      MSN New, Cosmos

      Pluto’s Biggest Problem Has Been Hiding in Plain Sight

      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...

      HTS MSN

      A 2.5 Meter Bull Shark Attacked a Teenager, His Brother Jumped In After Him

      A family vacation in Florida was supposed to be a relaxing escape filled with sunshine, fishing and swimming. Instead, one afternoon turned into a terrifying fight for...

      MSN New, Earth

      Discover What Would Happen If a Megalodon Attacked a Human

      The most deadly predator of the sea spent its days conquering and terrorizing every creature in sight. This is the megalodon. It lived millions of years ago, but imagine...

      MSN New, Earth

      See What Happens If the San Andreas Fault Finally Breaks

      Nobody knows the exact day it will happen. It could be tomorrow, or decades from now. But one thing is certain. The San Andreas Fault is constantly building pressure...

      HTS MSN

      Two Airmen Got Trapped in a Minefield, and Six Explosions Couldn’t Stop Them

      You’ve accidentally stumbled onto an old minefield. Surrounded by land mines buried somewhere in the ground, you don’t know where to step. One wrong move and...

      Cosmos

      What If All the Planets Doubled in Size?

      Some of the planets in our Solar System are gigantic. But what if they got even bigger? Let’s go up the planetary size chart and see what kind of chaos doubling the size...

      MSN New, Earth

      Gravity on Earth Just Doubled. Here’s What Happens to Your Body

      Earth is perfectly balanced in space. It travels around the Sun on an elliptical path that gives us seasons without getting too close to our star. The Sun is 330,000...

      HTS MSN

      How to Survive the Top 5 Deadliest Primates

      Primates are one of the most diverse groups of mammals with more than 500 species, including humans. In proportion to their body weights, primates have the largest...

      HTS MSN

      A 3 m Python Swallowed a Handler Alive, and Snake Handlers Face Even More Dangers

      These fascinating creatures are deadly. Up to138,000 people die every year as a result of snake bites, and that’s not even the only way these reptiles can kill you. If...

      MSN New, Cosmos

      What If We Could Create an Entirely 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...

      HTS MSN

      One Mistake During This 80 MPH Headfirst Slide Could Be Fatal

      Who doesn’t love a good race? But this time you’re going headfirst at 132 km/h (80 mph) down an icy track. Only 2.5 cm (1 in) separates the hard cold ice from your...

      MSN New, Earth

      Hundreds of Human Figures Are Slowly Becoming Part of the Ocean

      Divers off the coast of Lanzarote come across something that stops them mid descent. Human figures standing on the seafloor, dozens of them, silent in the blue while...

      HTS MSN

      Why You’d Never Actually Win a Fight Against a Wolf Pack

      Deep in the wilderness, humans are no longer the dominant force. A quiet hunting trip can quickly turn into a survival situation when you enter the territory of one of...

      Earth

      What If the Earth Was Spinning on Its Side?

      During Earth’s early days, a gargantuan collision left our planet spinning at an angle. That slight incline allowed life as you know it to flourish. But what if this...

      MSN New, Earth

      What If the Moon Orbited Earth Faster?

      Buckle up. We’re going to take the orbit of this rock and kick it into high gear. Behold the Moon breaking its planetary speed limit. How would this event flood...

      MSN New, Humanity

      The Strange Things Your Brain Can Experience Before Death

      Although death is a biological process, the last moments of life may include experiences which are much more mysterious than the physical changes taking place in the...

      MSN New

      They Found the Most Dangerous Fruit in the World

      It looks like something from another planet. Rough skin, strange shapes, and a bright reddish shell that splits open like it is alive. If you saw it on a tree, you might...

      MSN New, Earth

      Lake Natron Explained: What Would Happen to You

      Before anyone even thinks about jumping in, it helps to understand what Lake Natron actually is. Located in northern Tanzania, this lake has no normal outlet to rivers...

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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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