What If Show

  • Home
  • Cosmos
  • Earth
  • Humanity
  • Survival
  • Philosophy
  • What If Kids
  • Map View
  • Solar View
  • BOOK
  • ···
    What If Show
    • Home
    • Cosmos
    • Earth
    • Humanity
    • Survival
    • Philosophy
    • What If Kids
    • Map View
    • Solar View
    • BOOK
    • ···
      What If Show
      • Home
      • Cosmos
      • Earth
      • Humanity
      • Survival
      • Philosophy
      • What If Kids
      • Map View
      • Solar View
      • BOOK
      Earth

      What Was Earth Like in Cenozoic era?

      August 4, 2025
      Earth

      What If We Dumped All Our Trash in the Oceans?

      November 23, 2021
      Cosmos

      What If You Took a Ride on Halley’s Comet?

      August 4, 2022
      Humanity, Science

      5 Technologies That Could Save or Destroy Humanity

      August 21, 2025
      Cosmos

      What If You Lived on Uranus?

      February 21, 2022
      HTS MSN

      She Thought It Was an Infected Spider Bite, but Something Was Living Under Her Skin

      Botflies are a parasitic fly located mainly in Central and South America. They’re best known for their metallic, robotic appearance. Female botflies can’t...

      Cosmos, MSN, MSN New

      What If We Dug to the Center of Every Planet?

      From crushing pressures to oceans of liquid metal, every planet in our solar system hides something extraordinary beneath its surface. Scientists can’t physically reach...

      MSN New, Cosmos

      Could Humanity Ever Actually Move the Entire Solar System?

      Moving is never easy. The packing and unpacking, having to start fresh and make new friends, all this can be challenging. Let’s face it, whether it’s a nasty...

      Cosmos

      What if Some of the Space Facts You Believe Are Actually Untrue?

      12. THE SUN IS A GIANT BALL OF FIRE Did you know that the Sun isn’t really on fire? No. Our Sun isn’t a raging bonfire in the center of the Solar System...

      MSN New

      Here’s What an Alien Parasite Would Do to a Human Host

      What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a supercharged, head-eating anti-hero like Venom? Or...

      MSN New, Humanity

      You Fell From the ISS, and the Speed Would Be Your Biggest Problem

      410 kilometers (254 miles) above the Earth. That’s where the International Space Station floats. What if you happened to be all the way up here but suddenly fell...

      HTS MSN

      He Shot a Buffalo in South Africa, but Another One Gored Him to Death

      Cape buffalo are among the most dangerous animals found in Africa. These massive mammals can stand up to 1.5 meters (5 feet) tall and weigh as much as 870 kilograms...

      MSN New, Earth

      Its Skin Swallows 99.5 Percent of All Light, Which Is Why Nothing Ever Sees It Coming

      Point a light at it and the light does not come back. Almost none of it, anyway. The skin of this fish absorbs up to 99.5 percent of everything that touches it, which...

      MSN New, Cosmos

      Scientists Want to Replace Rocket Fuel With Solar Wind, and It Could Change Space Travel

      For more than half a century, rockets have been humanity’s ticket to space. They carried astronauts to the Moon, launched probes to the outer planets, and continue...

      HTS MSN

      What Eating Raw Meat Really Does to Your Insides

      In the U.S., the CDC estimates that 128,000 people are hospitalized every year for foodborne illnesses. Eating raw meat can ease your way into that statistic. The raw...

      Cosmos, Earth

      What If the Moon Collided With Earth?

      Imagine a scenario where the Moon, our constant companion in the night sky, begins a deadly trajectory toward Earth. The consequences would be catastrophic, reshaping...

      MSN New, Humanity

      Top 5 Strange Things People Used to Believe

      People have always believed all kinds of very strange things about the world. In the absence of modern science and medicine, ideas which now seem entirely bizarre could...

      MSN New, Cosmos

      Could a Giant Shield in Space Really Cool the Whole Planet?

      Climate change is one of the biggest challenges facing humanity. Rising temperatures are melting ice, intensifying storms, damaging ecosystems, and threatening...

      Earth

      What If We Could Refreeze the Arctic?

      The Arctic might soon become completely ice-free. And when all of the ice is gone, the world won’t be the same. But what if I told you there was a way to prevent...

      HTS MSN

      The First 24 Hours of a Zombie Apocalypse Would Decide Whether You Live

      The dead are rising. The infection is spreading faster than anyone can contain it, and defenses are already failing. A study by the University of Leicester theorized...

      Cosmos

      What If Jupiter Collided With Earth?

      The biggest planet in the Solar System has gone rogue. And now it’s heading straight toward Earth. You have 30 days till this gas giant wipes us all out. What speeds...

      MSN New, Humanity

      How One Decision in the U.S. Could Change the World Forever

      Unlike the world wars of the twentieth century, the next global conflict might not begin with soldiers crossing borders. It could start inside computer networks. A...

      MSN New, Earth

      Summer Disappeared for an Entire Year, and a Volcano Was to Blame

      We’re trained to love summer. From the moment you start school, the year splits neatly into term time and those long empty months, and even after you’re...

      Humanity, MSN, MSN New

      The True Scale of Nuclear Weapons

      Nuclear weapons have shaped global politics for decades, but their destructive power is almost impossible to comprehend. From the bomb that devastated Hiroshima in 1945...

      HTS MSN

      The Blue Flash Was the First Warning, and Within Days His Body Began Losing the Ability to Heal

      The accident began with a flash of blue light. For Hisashi Ouchi, a 35 year old worker at a nuclear fuel processing facility in Tokaimura, Japan, that brief glow marked...

      Previous 1 … 28 29 30 31 32 … 121 Next

      Follow the What If show

      • facebook
      • youtube
      • snapchat
      • instagram

      Popular What Ifs

      Cosmos

      What If a Quasar Entered Our Solar System?

      Earth

      What If We Built the World’s Deepest Bunker?

      Cosmos

      What If You Were Alive During the Big Bang?

      Body, Science

      What If You Cloned Your Body?

      Earth

      What If All Helium Disappeared for 5 Seconds?

      • Book-sidebar-promo-retina.jpg

      Underknown

      Making science accessible on social media since 2017. Find out more

      Contact
      Advertise
      Licensing
      Newsletter
      Privacy Policy
      Cookie Policy
      Terms of Service
      Our Production Process

      About

      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

      What If We Built Cloud Cities on Venus?

      What If You Could Power a Spaceship with Antimatter?

      What If a Gamma-Ray Burst Hit a Black Hole?

      Topics

      • Body286
      • Cosmos506
      • Earth707
      • Humanity415
      • Technology45

      Copyright © 2026 Underknown, Backyard Media Inc. All Rights Reserved.