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      Body

      Most Dangerous Things You Could Jump Into

      August 25, 2022
      Cosmos, Earth

      What If Earth and Moon Switched Sizes?

      September 8, 2025
      Humanity

      What If You Were The Only Man on Earth?

      September 26, 2019
      Humanity

      What If Everyone Stopped Drinking Coffee?

      January 2, 2020
      Cosmos

      What If We Could Create a New Planet?

      January 10, 2022
      Humanity

      What If Monkeys Took Over the World?

      The monkeys have revolted. And not just with brute strength or violence. Primates have finally outsmarted humankind once and for all. It’s their planet now. How...

      HTS MSN

      Never Put Water on a Grease Fire, Do This Instead

      You wanted perfectly crispy bacon. Instead, the pan suddenly bursts into flames. Your first instinct might be to grab a glass of water, but that could turn a small...

      MSN New

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

      You probably already know that tanning under UV lights isn’t good for you. But to see just how harmful tanning beds can be, we’re going to crank up your exposure time...

      Science

      What If Every Dead Person Came Back to Life

      What if you actually did see dead people? Not in a Sixth Sense kind of way, but in an ‘inexplicable mass resurrection’ kind of way? Not in a Walking Dead...

      HTS MSN

      One Tiny Crack in a Wheel Sent This 200 km/h Train Into a Bridge, Killing 101

      The crack was inside a single wheel, invisible from the outside, and inspectors kept missing it. It had been growing quietly for a long time before anyone paid a price...

      MSN New, Humanity

      The Old World Disappears, and a New Civilization Begins

      The world has ended. However it happened, it’s done, and you’re one of the people still standing. The internet is gone. Computers are useless. Libraries and...

      MSN New, Earth

      Chernobyl Looks Abandoned and Peaceful, but the Ground Still Hides a Deadly Secret

      Nearly four decades on, Chernobyl still doesn’t behave like other historical sites. The buildings are standing. The schools still have desks in them. The forests...

      MSN New, Earth

      The Days Would Last 580 Hours if the Moon Were Replaced

      Our Moon may seem ordinary, but it quietly keeps Earth stable. It controls the tides, slows our planet’s rotation, and helps maintain the rhythm of life. But what...

      MSN New, Earth

      What Were Dogs Before They Were “Man’s Best Friend?”

      The origin of “man’s best friend” isn’t entirely clear. Scientists agree that dogs evolved from wolves, but we don’t know exactly how or...

      Earth

      What If Earth Reached Boiling Point for 5 Seconds?

      Get ready for some serious burns and the instantaneous death of organisms. Let’s turn up the heat and bring the entire planet to a boil for five whole seconds. How would...

      MSN New, Earth

      The Largest Dinosaur Ever Is Still Roaming Earth, and Here’s the Danger

      Imagine walking across a field and suddenly seeing an animal taller than a building, stretching farther than a basketball court. It sounds impossible, but creatures of...

      DailyMoment, Earth, MSN, MSN New

      Earth Day: What If We Set Aside Half the Planet for Wildlife?

      About 65 million years ago, a mass extinction event occurred, wiping out more than 75% of all species on Earth. There have only been 5 mass extinctions in our...

      MSN New, Humanity

      The Blast Is Survivable, the Fallout Arriving Minutes Later Is What Gets Most People

      You survived the flash. You survived the shockwave. You are standing miles from the blast, dazed but alive. You now have minutes, not hours, before the thing that...

      MSN New, Cosmos

      We May Be About to Detect Alien Life on Enceladus

      When scientists search for life beyond Earth, Mars usually gets most of the attention. But another world may offer an even better chance of finding extraterrestrial...

      MSN New, Cosmos

      The First 10,000 Days of Colonizing Venus

      Venus, Earth’s closest planetary neighbor, is one of the most extreme and hostile environments in the Solar System. Its surface is scorched by intense heat, blanketed in...

      DailyMoment, HTS MSN

      How to Survive Mount Everest

      Most people dream about adventure, but very few are willing to face the brutal reality of climbing Mount Everest. Rising along the border between Nepal and China...

      MSN New, Earth

      A Dinosaur Tail Survived 99 Million Years in Amber, and Scientists Were Shocked

      When most people imagine dinosaurs, they picture giant reptiles covered in thick scales, with rough skin similar to modern lizards or crocodiles. But an extraordinary...

      Humanity

      What If Everyone Over the Age of 18 Disappeared?

      Can you imagine what the world would look like if it were run by children? We all know that our youngest generations are the future of humanity, but what would happen if...

      Earth, MSN New

      What If Earth Became a Massive Spaceship?

      Imagine that the Sun is on the verge of exploding. Or that a planet-killing asteroid is headed our way. Or maybe you just want to take the entire planet on a joy ride...

      MSN New, Humanity

      The Future of Humanity as an Interstellar Civilization

      What if humanity grew to be so technologically advanced that we were able to leave our Solar System and spread across interstellar space? Would we hop from one exoplanet...

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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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