What If: Science, Theory, and Possibilities

Sea levels are rising at an alarming rate. Water rushes to cover streets, quickly swallowing entire cities. Earth is about to become a real-life waterworld. Can humans survive underwater? Or would this be the end of life as we know it? Sure, our blue planet is already 70% ocean. But that 30% of land is the difference between life and death. If Earth suddenly became completely submerged, humanity's...

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 explore every way humanity could meet its end. For our full disclaimer, please visit: disclaimer Check out our other channels: How to Survive Aperture T-shirts and merch: What If Store What If elsewhere: Instagram: Instagram Discord: Discord...

Humanity’s nuclear arsenal is capable of destroying all life on Earth. Over. And over. And over. Maybe it's time we dumped it far away. We might want to inhabit other planets in the future, so how about our closest star? How many nukes could we throw at the Sun? What would be the price tag for this mission? And could we accidentally destroy our only source of daylight? Support us on Patreon: Patre...

What will humans look like in 10,000 years? What about 1 million years from now? Will we look like this guy? Eh, probably not. But we'll definitely look different than we do now. What parts of our body would evolve? How long would evolving our bodies take? And who would win the survival of the fittest? Made possible with the support of Ontario Creates: ontariocreates.ca Support us on Patreon: patr...

635 light-years away, there lies Kepler 22-b, the first planet found within a habitable zone of a Sun-like star. This could mean liquid water, and potentially, life. What would the weather be like there? Made possible with the support of Ontario Creates. Support us on Patreon. Get the What If book. Join this channel for perks: here. Interested in sponsoring our episodes or collaborating? Email us:...

Bullets can rip through your organs, dislocate your limbs, and shatter your bones. But not today. How could your bones become bulletproof? Which superhero would this make you similar to? And why would this turn your life into a living nightmare? Support us on Patreon: https://www.patreon.com/whatifshow/membershipGet the What If book: http://bit.ly/ytc-the-what-if-100-bookJoin this channel to get a...

Pack your bags because you’re traveling through space to see Alpha Centauri. There’s just one problem. It’s going to take 100 years. But is it possible to sleep through the trip? Get comfy because you’re going nighty-night for an entire century. What technology would you need? What would happen to your body while you’re asleep? And what sort of stuff could be waiting for you in the future? Made po...

Black holes are dark, matter-devouring balls of gravity. Most of them are so far away that we don't need to worry about them, but not this one. Meet Gaia BH1. This enormous black hole sits right outside our Solar System. Made possible with the support of Ontario Creates. Support us on Patreon. Get the What If book: here. Join this channel to get access to perks: here. Interested in sponsoring our...

In this intriguing episode, explore the nine most horrific ways to die in space, as we journey to the most dangerous places in the cosmos. From solar flares to black holes, discover the gruesome realities of space exploration. Made possible with the support of Ontario Creates. Support us on Patreon. Get the What If book: here. Join this channel for perks: here. Interested in sponsoring our episode...

It's been 150 days since the Moon has been on a collision course toward Earth. As the Moon approaches, ocean tides rise, cities are flooded and destroyed, and volcanoes and earthquakes erupt worldwide. The Moon's gravitational pull grows stronger, causing havoc on our planet. 00:00: What If Earth Collided With the Moon?00:29: Timeline: One Year Until Moon Hits Earth01:31: Importance of the Moon’s...

Explore the thrilling possibilities of landing on Proxima Centauri b, the closest exoplanet to Earth located four light-years away. Join our interstellar team member, Chase, as he investigates potential extraterrestrial life and navigates the challenges of this intriguing red dwarf star system. Discover the habitable zone, the dangers of atmospheric stripping, and the fascinating terminator zone....

Did you know that Jupiter has 95 moons? And some of them are really big, like planet-sized big. I'm going to populate these big moons of Jupiter, and see which one isn't gonna kill me. Made possible with the support of Ontario Creates. Support us on Patreon: Patreon Get the What if book: The What If 100 Book Join this channel to get access to perks: YouTube Membership Interested in sponsoring our...

A black hole is heading straight for Earth. Instead of letting it consume us, we're on a mission to destroy it. We'll use everything from nukes to advanced, possibly inaccessible technology, and maybe even a white hole. Is it possible to destroy a black hole? Enough questions; we have a critical mission—humanity's extinction is on the line. Made possible with the support of Ontario Creates. Suppor...

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 through time, space, and chance while we (hopefully) boil down complex subjects in a fun and entertaining way. Join this channel to get access to perks: YouTube Channel Check out our other channels: How to Survive and Aperture T-shirts and merc...

You've traveled 500 million years into the past to experience some of the most dangerous seas and alien organisms ever to exist on Earth. Welcome to the Cambrian Period. Do you want to protect endangered species and witness your impact through monthly videos? For the first 200 people to join our friends at Planet Wild, we're offering the first month's Planet Wild subscription for free. Go to Plane...

Explore the fascinating world of megastructures that might one day save humanity. Dive into the hypothetical scenarios and innovative concepts that challenge our understanding of space and human survival. Want to make high-quality Shorts in 1 click using AI like we do? Sign up for Opus Clip for FREE and start clipping your content right away: Opus Clip Join this channel to support us and get acces...

Though it may not seem like it, the ocean is a much more terrifying place than the cosmos. From hideous, alien-like creatures to the mysteries that lie below the sea, these are just some of the reasons why the ocean is scarier than space. Questions or concerns? Contact us at https://underknown.com/contact/ Interested in sponsoring our episodes or collaborating? Email us: inquiries@underknown.com G...

Did you know there's a mysterious area in space where astronauts face communication blackouts, extreme radiation, and spaceship malfunctions? 00:00 Bermuda Triangle of Space02:26 South Atlantic Anomaly03:03 Hubble Telescope05:00 NASA Questions or concerns? Contact us at https://underknown.com/contact/ Interested in sponsoring or collaborating? Email us: inquiries@underknown.com Get our 100 best ep...

Imagine you’re out for a routine space walk. Suddenly your helmet comes loose. But instead of suffocating, you breathe in fresh cosmic air. How far-reaching would this space atmosphere be? Why would space suddenly become so loud? And could this lead to the destruction of the whole Solar System? 00:00 What If Outer Space Was Breathable?00:40 Atmosphere you Breathe02:43 Fresh Air04:04 Vacuum of Spac...

What if our Moon had a twin? Seeing not just one, but two of these satellites in the night sky might be spectacular. Would we see this double-moon from Earth? Watch the full episode Questions or concerns? Contact us Interested in sponsoring our episodes or collaborating? Email us: inquiries@underknown.com Get our 100 best episodes in one mind-blowing book: The What If 100 Book Join this channel to...

Deep under the Earth's surface, there's a scorching hot ball of metal. Scientists just discovered that something very wrong is happening to it. Did Earth's inner core really stop spinning? What apocalyptic events could this trigger? And are we doomed to become as lifeless as Mars? Transcript and sources: whatifshow.com Questions or concerns? Contact us at underknown.com/contact Interested in spons...

You know what might be the best way to travel to the other side of the world? By drilling your way right through the planet. Imagine going from Argentina to China in less than an hour. This would be the journey of a lifetime, if you don't mind riding through molten rock and crushing pressure. What would you see along the way? How long would this journey through Earth take? Watch the full episode:...

It's the matchup you've been waiting for: the clash between two of the biggest titans that ever roamed the Earth. From the jungle marsh to the deep ocean, a Megalodon-Titanoboa fight would be an epic brawl for the ages. How could this mega-snake overpower the mega-shark? What superpower might give the shark an edge? And which creature would dominate the other? For more details, read the transcript...

Humans have been evolving for the past six million years. But something's gone terribly wrong. Now, we are evolving backward. Once this process begins, how long would it take for you to become an ape again? What does climate have to do with it? And why would society completely collapse? For the transcript and sources, visit here. 00:00 What If Humans Evolved Backward?01:29 Thanks Better Internet!0...

It’s all over for Uranus. The ice giant is locked into a collision course with the king of all planets in our Solar System, Jupiter. What would happen as the two planets made their epic approach? Would Uranus get pulled apart into bits and pieces? Or could this ice giant somehow deal a mortal blow to its gigantic opponent? Go to hensonshaving.com/whatif and enter “Whatif” at checkout to get 100 fr...