What If

What If: Science, Theory, and Possibilities

Science EN ↓ 465 episodes

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.

Be sure to visit the podcast's website and support the creator: www.inlet.fm

Author

What If

Category

Science

Podcast website

www.inlet.fm

Latest episode

Oct 9, 2026

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Episodes

What If You Hibernated for 100 Years? 20.01.2026

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...

The Scariest Black Hole Discovery in Our Cosmic Backyard! 19.01.2026

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...

The Most Painful Deaths in Space 16.01.2026

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...

What If the Moon Collided With Earth? 15.01.2026

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...

Landing on Proxima Centauri-B 14.01.2026

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....

Living on Jupiter's Moons 13.01.2026

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...

What If We Destroyed a Black Hole? 12.01.2026

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...

Everything That Could Go Wrong With Rocky Planets 09.01.2026

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...

Living in the Cambrian Period: A Journey 500 Million Years Back 08.01.2026

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...

Leaving Earth: Megastructures That Could Save Humanity 07.01.2026

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...

The Scariest Things In The Ocean You Didn't Know Existed 06.01.2026

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...

Scientists Discover the Bermuda Triangle of Space 05.01.2026

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...

What If Space Was Filled With Air? 02.01.2026

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...

Episode Shorts: What If the Earth Had Two Moons? 01.01.2026

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...

What If Earth's Core Stopped Spinning? 31.12.2025

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...

Episode Shorts: What If You Drilled a Hole Through Earth? 30.12.2025

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:...

Megalodon vs. Titanoboa: The Epic Showdown 29.12.2025

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 Evolving Backward 26.12.2025

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...

What If Jupiter and Uranus Collided? 25.12.2025

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...

What Happens if a Nuke Hits Near You? 24.12.2025

Doomsday is here. A nuclear bomb has just unleashed hell right in front of your eyes. You have mere seconds to get to safety. But once that blast hits, how could the light burn your skin? Why should you never look at the explosion? And how can taking your clothes off save your life? Questions or concerns? Contact us at underknown.com/contact Interested in sponsoring our episodes or collaborating?...

What If TikTok Was Banned? 23.12.2025

You think you're watching TikTok, but in reality, it's watching you. Those cute, fun little videos come at a high price: your privacy. But now this app is banned permanently. How is TikTok spying on you? Could watching too many TikToks affect your health? How does it impact your attention span and spike your dopamine levels? Transcript and sources: https://whatifshow.com/what-if-tiktok-was-banned/...

Surviving The Last of Us Scenario 22.12.2025

The world you know no longer exists. Your family, friends, and neighbors are gone. Outside, horrific zombie-like creatures roam the streets. And if you breathe in their spores, you're one of them. And if that wasn't bad enough, human factions have formed that want you dead... or worse. Luckily it's just a fictional universe of the popular game and TV show The Last of Us, and this could never happe...

If You Hibernated for 100 Years 19.12.2025

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? Transcr...

What If You Drank Only Water for Your Entire Life? 18.12.2025

Have you heard of something called water fasting? It's a type of fast that restricts everything except, well, water. Most people only water fast for 72 hours at most, but what if you did this for the rest of your life? You'd be fine, right? Haha, yeah. Not so much. What happens to your stomach without food? What damage will you do to your organs? And how many days can you last? For the full transc...

What If Snakes Were Eliminated? 17.12.2025

These slithering creatures can inhabit the smallest corners of your home and the darkest places you don’t dare visit. Well, not anymore, because today we're eradicating every single snake on Earth. How would this hunt commence? Would we need to devise a bioweapon to complete the task? And why might things turn medieval? Transcript and sources: What If We Killed All Snakes? Timeline: 00:00 What If...

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