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      Cosmos

      What If a New Planet Formed in the Solar System?

      July 19, 2020
      Earth

      What If Jupiter Swallowed Earth?

      June 24, 2020
      Earth

      What If We Nuked an Active Volcano?

      March 11, 2020
      Humanity

      What If We Knew the Time We Go Extinct?

      October 6, 2019
      Body

      What Exactly Happens If You Get Hospitalized With COVID-19?

      May 9, 2020
      Cosmos

      6 Devastating Changes If Earth’s Atmosphere Became Like Venus

      Imagine waking up on a version of Earth where the sky glows yellow, the air scorches your lungs, and the ground melts your shoes. That is what life would look like if...

      Cosmos

      8 Stunning Ways Solar Eclipses Look Across the Solar System

      A total solar eclipse is one of the most breathtaking spectacles in the universe. While we experience them on Earth roughly every year and a half, these events happen in...

      Uncategorized

      6 Prehistoric Creatures That Were Scarier Than Dinosaurs

      Dinosaurs often steal the spotlight when it comes to terrifying prehistoric creatures, but they were far from the only fearsome beasts to roam the Earth. From enormous...

      Cosmos, Body

      8 Ways Your Body Would Change on Other Planets

      If humans began living permanently on other planets, future generations would not look or function like us. Each planet’s unique gravity, atmosphere, temperature, and...

      Earth

      7 Alarming Things That Would Happen If the World Lost Oxygen for 5 Seconds

      Oxygen makes up only about 21 percent of the air we breathe, but it plays a much bigger role in holding life together and keeping our world intact. Imagine if, just for...

      Humanity, Technology

      8 Reasons Why an AI Takeover Could Be Closer Than You Think

      Artificial intelligence is no longer just a concept from science fiction. Today’s AI systems are rapidly advancing, with some already matching the intelligence of famous...

      Survival

      Swallowed by a Whale? 6 Reasons Why You Would Not Survive the Tale

      Close encounters between humans and whales are rare, but they do happen. While most of these incidents end with awe and a story to tell, they also raise a terrifying...

      Cosmos, Earth, Humanity

      5 Reasons Why Discovering Alien Life in 2024 Could Change Everything

      Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But...

      Earth, Humanity

      6 Reasons Why Dumping Trash Into Volcanoes Will Never Work

      At first thought, volcanoes might seem like the perfect natural disposal system. They are incredibly hot, appear to swallow anything in their path, and seem limitless in...

      Cosmos

      Lies Elon Musk Has Told You About Mars

      Elon Musk says he wants to send one million people to Mars by the year 2050. The SpaceX CEO has become famous for making huge promises about colonizing the red planet...

      Cosmos, Earth

      What If the Dinosaur-Killing Asteroid Struck Earth in 2025?

      Sixty six million years ago, a colossal asteroid crashed into what is now the Yucatán Peninsula in Mexico. It triggered the extinction of the dinosaurs and wiped out...

      Cosmos

      What If We Discovered a New Planet in our Solar System?

      The Solar System seems calm, but that tranquility is more fragile than it appears. Now imagine one day looking up and noticing something unfamiliar in the sky. A tiny...

      Previous 1 … 8 9 10 11 12 … 118 Next

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      Popular What Ifs

      Body

      What If You Fell out of an Airplane at 30,000 Feet?

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

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      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 Everyone Over the Age of 18 Disappeared?

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