Shows / What If: Science, Theory, and Possibilities

What If: Science, Theory, and Possibilities
An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth. Each scenario examines a scientific theory, research or fact through a hypothetical question.
Episodes
What If: Science, Theory, and PossibilitiesWhat If the Strait of Hormuz Never Reopens?
Higher gas prices? That's just the beginning. What happens if it never reopens? Ever wondered what would actually happen? Explore our biggest What If scenarios…
What If: Science, Theory, and PossibilitiesExploring the Largest Objects in the Universe
Today, we explore the colossal scale of the largest objects in our observable Universe. It's all about size, not mass. While black holes and neutron stars are…
What If: Science, Theory, and PossibilitiesExploring Survival on TRAPPIST Planets
39 light-years from Earth lies the TRAPPIST-1 star, illuminating seven Earth-sized exoplanets. These planets, packed tightly, are fascinatingly close to their…
What If: Science, Theory, and PossibilitiesWhat If America Made a Base on the Moon?
NASA is planning to return to the moon, but this time, it's not just a visit. Welcome to Space Race 2.0, where the goal has shifted from planting flags to…
What If: Science, Theory, and PossibilitiesWhat If Earth Collided With Every Planet?
Every planet in the solar system is hurtling toward Earth for an epic collision. In this special planetary battle royale, we use Space Sim to simulate six…
What If: Science, Theory, and PossibilitiesWhat If the U.S. Actually Invaded Iran?
What would happen if the United States invaded Iran? While many might assume it would be similar to the war in Iraq, the reality of the geography and military…
What If: Science, Theory, and PossibilitiesWhat If You Grew 1cm Every Second
One second, you're your regular size, the next, you're towering over a skyscraper. And some 40 years later? You're the size of a planet. Yeah, you've been…
What If: Science, Theory, and PossibilitiesNothing in This Universe Is the Right Size
Support us on Patreon From the first spark of life to the extinction of the dinosaurs, explore prehistoric Earth in one marathon watch. 🦕 Experience billions…
What If: Science, Theory, and PossibilitiesWhat If the Earth Stopped Spinning for 5 Seconds?
Hang on because we’re about to screech to a halt. That’s right, the Earth is going to stop spinning for five seconds. How much damage would this sudden…
What If: Science, Theory, and PossibilitiesWhat If Saturn Replaced Our Moon?
Imagine looking up to see a gas giant 33 times wider than the Moon dominating the sky with its massive rings stretching across the horizon. But this stunning…
What If: Science, Theory, and PossibilitiesWhat If You Watched a Sunset on Every Planet?
You see, there are 2 trillion galaxies out there in the Universe. Within them, there are trillions of stars. The Universe is a strange place, and the view is…
What If: Science, Theory, and PossibilitiesDigging to the Earth's Core: Challenges and Discoveries
There's a problem with the Earth's core. It's right under our feet, yet we've never actually seen it. Today, we explore solutions for drilling to the Earth's…
What If: Science, Theory, and PossibilitiesWhat If Humanity Became Fully Optimized?
What would happen if humanity reached its absolute peak? No disease, no inefficiency, no wasted potential—just a fully optimized species operating at maximum…
What If: Science, Theory, and PossibilitiesWhat If Prehistoric Earth Never Changed?
What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure…
What If: Science, Theory, and PossibilitiesWhat If You Ate Dry Ice?
What would happen if you actually ate dry ice? It looks like regular ice, but it's anything but harmless. Ever wondered what would actually happen? Explore our…
What If: Science, Theory, and PossibilitiesWhat If Jupiter Collided With Earth?
The biggest planet in the Solar System has gone rogue. Now, it’s heading straight toward Earth with only 30 days until this gas giant wipes us out. Discover…
What If: Science, Theory, and PossibilitiesWhat If the Largest Asteroid Hit Earth?
Some seriously large asteroids have threatened Earth before. Some of these asteroids have little chance of hitting us but there are a few with very real…
What If: Science, Theory, and PossibilitiesPluto: Astonishing Discoveries
Explore the remarkable facts about Pluto in this intriguing episode. What if you traveled to this distant world, or if Earth was as small as Pluto? Dive into…
What If: Science, Theory, and PossibilitiesWhat If a Tiny Black Hole Appeared in New York City?
What if a black hole the size of a coin suddenly appeared in the middle of New York City? Would it instantly swallow everything or would something far stranger…
What If: Science, Theory, and PossibilitiesScientists Discovered Jupiter’s Secrets
What secrets is the giant of our solar system hiding? 🌌 Ever wondered what would actually happen? Explore our biggest What If scenarios and go deeper with the…
What If: Science, Theory, and PossibilitiesWhat Will Humans Evolve To?
What will humans look like in the future? From stronger bodies to bigger brains, or maybe even merging with machines. Human evolution is far from over. But…
What If: Science, Theory, and PossibilitiesWhat If You Fell Into the Biggest Void in the Universe?
The Boötes Void is one of the most mysterious places in space, spanning hundreds of millions of light-years and containing almost nothing. It is often called…
What If: Science, Theory, and PossibilitiesWhat If It Rained Oil?
Black Rain is falling on Tehran and it doesn't stop there. Oily, toxic, and flammable. Roads turn to ice rinks, planes fall from the sky, your tap runs brown…
What If: Science, Theory, and PossibilitiesWhat If You Explored Every Kepler Planet?
Some planets might look promising from a distance, but stepping onto them could turn them into the most dangerous places in the universe. In this episode, we…
What If: Science, Theory, and PossibilitiesWhat If You Dove Into the Sun?
You’re traveling through our Solar System when suddenly, you have the opportunity to reach out and touch our biggest and brightest celestial body. Touching our…
What If: Science, Theory, and PossibilitiesWhat If You Were the Last Person on Earth?
So you wake up one day and find that you're the only person left in the world. Kind of cool, right? No obligations, no rules, no limits. Actually, go for the…
What If: Science, Theory, and PossibilitiesWhy Saturn is The Scariest Planet
Enjoy more science and discovery with Popular Science, the free streaming channel offering epic explorations in engineering, rocket launches, movies, space…
What If: Science, Theory, and PossibilitiesWhat If Earth Lost Gravity?
What would happen if Earth suddenly lost gravity? 🌍 Gravity is the invisible force holding everything together, including the oceans, the atmosphere, the Moon…
What If: Science, Theory, and PossibilitiesBetelgeuse Replacing Our Sun: What Happens?
You can fit over a million Earths inside our Sun, but Betelgeuse, a massive red supergiant, could engulf over a billion Suns. It's in its final fusion cycles…
What If: Science, Theory, and PossibilitiesThe Most Terrifying Planets in the Universe
From small, eerie rocks to massive, nightmare-inducing worlds, we journey through the most terrifying planets in the universe! Ever wondered what would…
What If: Science, Theory, and PossibilitiesWhy The Megalodon's Extinction Saved Us
For millions of years, the oceans were ruled by a predator so powerful it made today’s great white sharks look small. Meet the Megalodon, a 60-foot, multi-ton…
What If: Science, Theory, and PossibilitiesWhat If We Dumped Our Trash Into Volcanoes?
A volcano is one of the most unforgiving natural phenomena on Earth. If you were to fall into its magma-filled center, your body would quickly bubble up and…
What If: Science, Theory, and PossibilitiesEpisode 27: Earth's 4.5 Billion Years of Evolution
From a swirling cloud of cosmic dust to a planet teeming with life, Earth’s story is nothing short of unbelievable. We explore 4.5 billion years of planetary…
What If: Science, Theory, and PossibilitiesWhat If Earth Was As Big As the Sun?
Enjoying this video? Dive even deeper into the world of science and discovery with Popular Science, the free streaming channel bringing you more of what you…
What If: Science, Theory, and PossibilitiesEarth's Entire Evolution in 3 Minutes
What if you could watch 4.5 billion years of history unfold in just 3 minutes? From a violent cloud of cosmic dust to a blue planet teeming with life, this is…
What If: Science, Theory, and PossibilitiesWhat If You Lived on Mars 1 Billion Years Ago?
Scientists have potentially discovered life on Mars! To understand this groundbreaking finding and its implications, journey back in time with us, starting…
What If: Science, Theory, and PossibilitiesWhat If You Lived on Mars 1 Billion Years Ago?
Support us on Patreon: https://www.patreon.com/whatifshow/membership Get the What if book: http://bit.ly/ytc-the-what-if-100-book Join this channel to get…
What If: Science, Theory, and PossibilitiesTraveling to Before the Big Bang
Take the entire known Universe, all 93 billion light-years of it. All two trillion galaxies, every star, every planet, every black hole, every quasar, every…
What If: Science, Theory, and PossibilitiesWhat if Planet X Was Actually Real?
Over the past century, astronomers have speculated about the existence of a mysterious 9th planet lurking in the outer reaches of our Solar System. Although…
What If: Science, Theory, and PossibilitiesWhat If Earth was Flat But Gravity Still Existed?
What if Earth was flat... but gravity still existed? In this mind-bending science experiment, we explore what would really happen if our planet were shaped…
What If: Science, Theory, and PossibilitiesWhat if You Traveled to Earth 2.0?
Discovered by NASA’s Kepler Space Telescope, Kepler-452b is one of the most Earth-like exoplanets ever found. It orbits in the habitable zone of a Sun-like…
What If: Science, Theory, and PossibilitiesWhat Happens When You Drop a Black Hole into a Pool of Water?
A calm pool of water. A single splash. And suddenly, one of the most dangerous objects in the universe is sitting inches from your feet. Black holes destroy…
What If: Science, Theory, and PossibilitiesIf Saturn Replaced Our Moon
A huge gas giant suddenly appears in the sky. You look up in wonder. It's beautiful. And terrifying. The second Saturn replaces our Moon in its orbit, Earth…
What If: Science, Theory, and PossibilitiesWhat If the World Lost Oxygen for Five Seconds?
Imagine if all the Earth’s oxygen disappeared, not forever, just for 5 seconds. Would we just hold our breath? What would happen to the atmosphere and the…
What If: Science, Theory, and PossibilitiesDiscovering Kraken in the Mariana Trench
Dive deeper into science and discovery with Popular Science, a free streaming channel offering epic explorations in engineering, rocket launches, movies…
What If: Science, Theory, and PossibilitiesWhat If We Nuked Venus?
Venus is often called Earth’s evil twin, similar in size, but completely hostile to life. With crushing pressure, surface temperatures hot enough to melt lead…
What If: Science, Theory, and PossibilitiesWhat If We Swapped Our Moon With Ganymede?
What would happen if Earth’s Moon suddenly vanished and Jupiter’s giant moon Ganymede took its place? Ganymede is bigger than Mercury, packed with ice and…
What If: Science, Theory, and PossibilitiesEpisode 2016: What If 2016 Determined Humanity’s Future?
What if one year quietly decided the fate of humanity? 2016 is often remembered for chaos, shock events, and a sense that something changed. But what if that…
What If: Science, Theory, and PossibilitiesWhat Would Your Voice Sound Like on Different Planets?
Explore how your voice would change on different planets, from the deep sounds on gas giants to silence on others. Can anyone hear you scream in space? Support…
What If: Science, Theory, and PossibilitiesWhat If You Watched a Sunset on Every Planet?
Take your personal data back with Incogni! Use code WHAT at the link below and get 60% off an annual plan: https://incogni.com/what Explore the Universe with…
What If: Science, Theory, and PossibilitiesWhat If China Invaded Taiwan?
Enjoying this video? Dive deeper into science and discovery with Popular Science, a free streaming channel offering epic explorations in engineering, rocket…
What If: Science, Theory, and PossibilitiesWhat If the Largest Objects in the Universe Collided?
In this episode, we're going to smash big things into each other. Why stop at smashing two gargantuan black holes, when you can do the same with the most…
What If: Science, Theory, and PossibilitiesWhat If Theia Never Crashed into Earth?
Roughly 4.5 billion years ago, a Mars-sized protoplanet called Theia slammed into early Earth, an event believed to have formed the Moon and shaped life as we…
What If: Science, Theory, and PossibilitiesWhat If You Jumped Into Saturn?
Saturn is famous for its magnificent rings. But did you know other gas planets like Jupiter, Uranus, and Neptune also have rings? Saturn's are just the largest…
What If: Science, Theory, and PossibilitiesMating with an Alien
It's a beautiful night. Just you, a bottle of wine, and your partner drifting through the cosmos in a UFO. As you caress their green skin, you know tonight's…
What If: Science, Theory, and PossibilitiesWhat If We Found Alien Life on K2-18b? The Super-Earth Exoplanet!
Imagine discovering life beyond Earth right on a distant exoplanet! In this video, we explore K2-18b, a Super-Earth located 124 light-years away, in the…
What If: Science, Theory, and PossibilitiesWhat If the Sun Became a Red Giant?
The Sun won’t shine forever in its current form. When it runs out of hydrogen, it will expand into a red giant—fundamentally reshaping the Solar System…
What If: Science, Theory, and PossibilitiesWhat If You Fell Into the Biggest Void in the Universe
It's a place where nothing exists. A place without stars, planets, or galaxies. A place where you wouldn't meet a soul for hundreds of millions of light-years…
What If: Science, Theory, and PossibilitiesWhat If Quetzalcoatlus Were Still Alive?
A terrifying shadow ripples over the city as a gigantic prehistoric beast soars over the towers, moving faster than the cars on the freeway, hunting. And it's…
What If: Science, Theory, and PossibilitiesA Day Across the Solar System: What Could Go Wrong?
Help us win a Webby by voting here. Support us on Patreon: Patreon From the sun going rogue to unstoppable infections and nature’s wildest disasters—today we…