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 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 know it. But what if that impact never occurred?
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What 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 and most visible. Saturn radiates twice as much energy into space than it receives from the Sun. And that means it must have an internal heat source. Do we know what it is? Absolutely not. Well, today we're sending Chase to find out!
Made p
Mating 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 the night you're mating with an alien. But would your anatomy be compatible? How would conception take place? And what would your child look like?
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What 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 habitable zone of its star. Could this alien world host life? What would it look like? And how would humanity react to such a discovery?
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What 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.
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What 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. This place is called the Boötes Void, or as I like to call it, The Great Nothing.
Unless you find your way back to your ship, you'll be drifting through the perplexing dark of this mysterious nothing for billions of years. That is, your fro
What 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 not alone; it hunts in a pack. This was... and IS Quetzalcoatlus. Because today, we're bringing this creature back from extinction. How exactly did Colombian drug lord Pablo Escobar get mixed up in all this? Hold on for that.
What exactly is
A Day Across the Solar System: What Could Go Wrong?
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From the sun going rogue to unstoppable infections and nature’s wildest disasters—today we explore every way humanity could meet its end.
This YouTube video was conducted on behalf of Onco-Innovations Ltd. (CSE: ONCO.CN | OTC: ONNVF) and funded by Outside The Box Capital Inc. after Backyard Media d/b/a Underknown was engaged by Out
Dying in the Most Terrifying Places in the Universe
Last year, you loved watching me push the limits of science in the most extreme environments imaginable. In the name of discovery and exploration across every planet in our Solar System, the WHAT IF team is back—and this time, we’re raising the stakes even higher.
Get ready for bigger questions, crazier scenarios, and some of the most hostile places in the Universe. We’re talking supernovas, black
What If You Dug a Hole Through Mars?
What if you started digging and never stopped, until you broke through the other side of Mars? Would you fall forever? Would Mars’ gravity crush you? Or would the planet’s core stop you long before you reached the center?
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What If Earth and Moon Switched Sizes?
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What If We Nuked Kepler-22b?!
Kepler-22b is one of the most famous exoplanets ever discovered, a super-Earth in the habitable zone of its star, 600 light-years away. What would happen if humanity launched a nuclear weapon at this distant world?
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What If Humanity Became a Type 7 Civilization?
Imagine a world where you're not even human. You can create universes with ease and control time. This could be a reality in an incredibly advanced civilization. Is a type 7 civilization even possible? What would humans look like? And why might something like this be a terribly bad idea?
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What If Exoplanets Orbited Our Sun?
What if some of the most fascinating exoplanets were placed into our Solar System? In this episode, we explore the effects of having these distant worlds, like the Earth-like TRAPPIST-1 e, massive super-Earths, frozen rogue worlds, and a super-Saturn with expansive rings, orbiting our Sun.
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Making Proxima Centauri B Habitable
What would it actually take to turn Proxima Centauri b into a livable world? 🌍✨
Orbiting the closest star to our Sun, this Earth-sized exoplanet sits in the so-called habitable zone—but that doesn’t mean it’s ready for humans. From deadly stellar flares and tidal locking to missing atmospheres and extreme radiation, Proxima b comes with some serious challenges.
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What If Every Asteroid Hit Earth at Once?
Sixty-six million years ago, this asteroid crashed into Earth and wiped out most life, including the dinosaurs. If a similar event happened today, humans would face extinction.
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What If the Sun Became a Black Hole?
What would happen if the Sun suddenly turned into a black hole? Would Earth be instantly swallowed, frozen in darkness, or torn apart by gravity? 🌞🕳️
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What If Quetzalcoatlus Never Went Extinct?
A terrifying shadow casts over the city as a massive prehistoric creature, the Quetzalcoatlus, flies above, faster than the cars below, hunting in packs. Today, we explore what it would be like if this massive pterosaur had never gone extinct. Discover how Colombian drug lord Pablo Escobar is connected to this story.
So, what is Quetzalcoatlus? Contrary to appearances, it is not a dinosaur or a pt
What If You Fell into Saturn?
Saturn is renowned for its magnificent rings, which are the largest and most visible among gas giants, including Jupiter, Uranus, and Neptune. Intriguingly, Saturn emits twice as much energy as it receives from the Sun, suggesting a mysterious internal heat source. Today, we send Chase on a thrilling journey to explore this phenomenon!
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What If Trump Became a Dictator?
What would actually happen if Donald Trump became a dictator? In this video, we explore a hypothetical scenario where democratic norms collapse and absolute power takes over.
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Entire Kardashev Scale Explained
Imagine a future world where you have endless supernatural powers. You can hop throughout the multiverse and bend time to your will. You'd be part of a super-advanced version of humanity—a type 7 civilization. But how do we get here?
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Everything That Could Go Wrong
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What If We Swapped Our Moon with Other Moons?
Catastrophic, planet-wide tides flood cities. Pitch black nights. The ice age more powerful than Earth has ever seen. And tungsten-shaded evening skies. This is what would happen if we swapped our Moon with other moons in the Solar System. Spoiler alert - you are not surviving most of these.
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What If You Travelled 10 Quintillion Years into the Future?
Today, we're going on a journey 10 quintillion years into the future. At this time, our Universe will look and act completely different. Stars will have died out, black holes will form, and Earth will be a distant memory. What else will happen? Will humanity be able to survive this long?
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The Largest Objects in the Universe Colliding
We're exploring the explosive collisions of the universe's largest objects. Why stop at two black holes, when galaxies, massive stars, and planets are also in play?
Key Moments:01:18 Largest Black Holes06:39 Galaxies10:04 Largest Planets13:10 Largest Stars
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What If Antarctica Suddenly Melted?
Underneath Antarctica's ice, there's a deep, dark secret. Today, we're going to melt all that ice to find out how it would transform Earth. What mysteries lie buried deep under its thick frozen surface? As the ice melts and sea levels rise, what would happen to our coastal cities? And why might this lead to some unexpected diseases?
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What If Space Was Hot Instead of Cold?
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What If You Were the Last Human 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. Go nuts! Actually, go for the exotic fruits first. If your mangos and bananas are imported from overseas, chances are they'll be hard to get to. So eat them while you can, and enjoy every last bite. You might think that with no one stopping you, you could go anyw
What If Titanoboa Was Still Alive?
This is the Titanoboa, one of the largest and deadliest snakes ever to exist, which went extinct 55 million years ago. But what if it never happened?
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How Would You Die During Every Mass Extinction?
Since the beginning of time, Earth has created life and then wiped out most of it in catastrophic, ultra-destructive moments. Early Earth was already a hostile place, but these savage events were the absolute worst periods in history to be alive. So naturally, I thought it'd be fun to send me there.
Obviously, I can't travel back in time, but DigiPeter can. In this video, we'll show you just how y
What If You Evolved on Jupiter?
Ever wondered what humans or any life would look like if evolution happened on Jupiter instead of Earth? This gas giant has no solid surface, crushing gravity, insane storms, and toxic atmosphere. Could life even emerge there?
This distribution was conducted on behalf of Envoy Medical, Inc. (NASDAQ: COCH) and was funded by Outside The Box Capital Inc. after Underknown Inc. was engaged by Outside T
What If We Nuked Uranus?
What if we actually nuke Uranus? No, seriously — what would happen if we sent every nuke on Earth straight to the seventh planet? Would it blow up? Catch fire? Turn into a second Sun? Or just make the solar system’s biggest fart joke come true?
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What If a Needle Hit You at the Speed of Light?
There's a needle approaching Earth at the speed of light. A needle? Pfft! That's no big deal, right? Well, unfortunately, it's a very big deal. A needle traveling this fast can cause devastating effects on Earth. But why? What kind of destruction could this tiny little needle cause? And in what scenario would this be possible?
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What If We Nuked Mars?
Elon Musk wants to nuke Mars. What are the consequences? Without nukes, life on Mars might involve living in giant glass domes and growing small portions of food inside. If you venture outside, it would be in a large, clunky spacesuit, limiting your time outdoors. But Mars could end up resembling Earth more closely. How?
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Swapping Our Moon with Alien Planets
Explore the possibilities of swapping Earth's Moon with some of the universe's most intriguing alien planets. What changes would Earth experience with a potentially habitable planet or a massive super-hot giant in its orbit?
We'll begin with Proxima Centauri b and progress to more extreme planets like Kepler-22b, 55 Cancri e, WASP-12b, and Beta Pictoris b. Can Earth handle such celestial neighbors
What If You Dropped a Steak from Orbit?
Ever had a freshly cooked steak delivered straight from the International Space Station? It's not going to be what you might expect. Is it possible to fry a steak in space? How long would it take to give it that perfect crust? And what side dish should you go with?
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What If the Earth Was Shaped Like a Cube?
Are cubic planets possible? Could humans live on a cubic world? How would our climate change? How would gravity be affected? Could we stand it?
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How Your Voice Changes on Different Planets
In this episode, explore how your voice would change on each planet in our Solar System. Discover the eerie silence or the deep, scary tones you might experience from the smallest worlds to the colossal gas giants.
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What If We Nuked the Moon?
What if humans detonated a nuclear device on the Moon? Would Earth be in danger? Would the Moon change forever?
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What If You Only Ate Protein?
What would really happen if you cut out carbs and fats and lived on protein alone? Could you survive on protein only?
This distribution was conducted on behalf of Immix Biopharma, Inc. (NASDAQ: IMMX) and funded by Outside The Box Capital Inc. and/or affiliates after Underknown Inc. was engaged by Outside The Box Capital Inc. to advertise for Immix Biopharma, Inc. (NASDAQ: IMMX). For our full discl
The Worst Things We Can Do to Jupiter
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What If We Lived on an Alderson Disk?
This is not some DVD floating in space. It's a megastructure that might one day become humanity's home.
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We Nuked Jupiter
Jupiter may be the biggest planet in the Solar System, but its days are numbered. Because today, we're using Earth's biggest, baddest bombs to blow the gas giant into oblivion. How many nukes would you need to do the job? What obstacles would these rocket-bound bombs encounter on the way? Would one nuclear explosion ignite the entire planet? What are Kirkwood gaps?
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What If We Nuked a Black Hole?
A black hole is approaching Earth. Instead of waiting for destruction, we plan to obliterate it by launching everything we have at it.
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Episode 3: What If 3I/ATLAS Crashed into Earth?
This simulation explores the catastrophic impact on Earth if the interstellar asteroid Oumuamua were to collide with us. This unique asteroid, shaped like a cigar, is the first interstellar object ever recorded, meaning it hails from beyond our Solar System. A collision with Oumuamua would create a city-sized crater, obliterating everything nearby. Yet, of all interstellar rocks, Oumuamua isn't th
Exploring the Possibility of Traveling to Kepler-452 b
Ever since we figured out we live on a rock drifting through space, humans have dreamed of settling on another planet. But where would we go? There's no livable alternative in our own Solar System. Mars, so cold and dry, is disappointing.
The only choice is to leave our Solar System and search for the next planet in interstellar space. Luckily, scientists have discovered a likely candidate: Kepler
What If Earth Was a Pulsar Planet?
Something is very wrong with our Sun. It’s turned into a spinning lighthouse of death. What would make the Sun so much more deadly than usual? Would there be any way life on Earth could survive this? Why would it feel like you're stuck at the bottom of the ocean? What's a pulsar planet like? Would there be eternal darkness on Earth? Will Earth still be habitable?
Timeline of Key Moments:
00:00 Wha
What If a Needle Hit Earth at Light Speed?
There's a needle approaching Earth at the speed of light. A needle? Pfft! That's no big deal, right? Well, unfortunately, it's a very big deal. A needle traveling this fast can cause devastating effects on Earth. But why? What kind of destruction could this tiny little needle cause? And in what scenario would this be possible?
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What If Atlas Started an Invasion?
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What If You Kept Shrinking Forever?
If suddenly, you started to shrink in size, how long would it take until you became as small as a particle of dust? Why would things look different to your eyes? And why should you stay away from these grabby things? Today, you'll be scaling down by 1 cm every second, from human-sized all the way to the size of a subatomic particle.
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What Would Dying on Jupiter Feel Like?
Being twice as massive as all the other planets in the Solar System combined, Jupiter has astronomical pressure. This planet is basically a gigantic ball of hydrogen and helium. It doesn't have a solid surface you could step on. You'd fall all the way through its atmosphere, although it wouldn't be that long of a fall for you.
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What If Earth Was Shaped Like a Pizza?
Forget flat Earth. Let me introduce you to Earth shaped like a pizza. It might look delicious. But it would be a scorching, violent, literally breathtaking place.
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What If a Black Hole Flew By Earth at the Speed of Light?
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A small but incredibly fast unwanted guest is about to swing past Earth at the speed of light. This is the tiniest black hole in the Universe. Despite its small size, could it rip our planet apart? We're sending black holes through Earth, from the tiniest black hole just 2 cm (3/4 in) in diameter to the most massive, stupendously large blac
What if We Nuked the Sun?
Humanity’s nuclear arsenal is capable of destroying all life on Earth repeatedly. Maybe it's time we dispose of 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 cost of this mission? And could we accidentally destroy our only source of daylight?
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What If the Earth Was Shaped Like a Dumbbell?
Imagine Earth stretched into a giant dumbbell. Two worlds… one risky connection. Here’s what would actually happen!
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What If We Nuked Jupiter?!
Jupiter may be the biggest planet in the Solar System, but its days are numbered. Today, we’re using Earth’s biggest, baddest bombs to blow the gas giant into oblivion. How many nukes would you need to do the job? What obstacles would these rocket-bound bombs encounter on the way? Would one nuclear explosion ignite the entire planet? What are Kirkwood gaps?
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What If The Earth Was Hollow?
What Earth do you live on? A round one? Flat one? Maybe your world is resting on the back of a huge cosmic turtle? What about a hollow Earth? Just a planet's shell levitating around absolutely nothing. How would the laws of physics work on that hollow Earth?
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What If We Changed Our Moon?
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What If the Earth Was Flat?
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What If Humanity Became a Type 1 Civilization?
Imagine if we could control earthquakes and tsunamis to generate power or even terraform every planet in the solar system. These advancements might be possible if human civilization progresses significantly. So, how can humanity reach this point? What other innovations are on the horizon? And why do we believe we can achieve such progress?
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What If We Built A Tunnel Between Continents?
Imagine waking up in your NYC apartment at 7:00 a.m. and making it to your job in London, England by 9:30 a.m. This could be possible if we dug tunnels between continents. How would we construct such a tunnel, and what would be the cost?
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How Big Can Black Holes Get?
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What Would Dying on Mercury Be Like?
Mercury is a fascinating planet, being the closest to the Sun with extreme temperature fluctuations. Experience the bizarre sunrises and sunsets of Mercury, where a single day lasts nearly two Earth years. Join our team member Chase as he embarks on a mission to survive for just 5 seconds on this scorching planet.
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What If You Lived on Mars a Billion Years Ago?
Scientists have made a groundbreaking discovery regarding life on Mars! To understand the significance, let's journey back in time to a billion years ago, and even further.
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What Would Dying on Venus Be Like?
Venus has an extremely dense atmosphere, leading to immense pressure. The atmospheric pressure on Venus is 92 times that of Earth, enough to crush a spacesuit in milliseconds.
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What If We Replaced Fiat Money With Crypto?
What if we got rid of all money and crypto became the only currency on Earth?
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Swapping Our Moon with Other Moons
Catastrophic, planet-wide tides flood cities. Pitch black nights. The ice age more powerful than Earth has ever seen. Tungsten-shaded evening skies. This is what would happen if we swapped our Moon with other moons in the Solar System. Spoiler alert - you may not survive most of these.
Timeline:00:00 Swapping Our Moon With Other Moons in the Universe00:32 Titan05:53 Ganymede09:20 Io11:19 Europa14:
What If You Fell Into Quicksand?
The reason you don't normally sink into the sand when you go to the beach is due to a physics phenomenon known as force chain. Basically, when a bajillion grains of sand are jammed together in one place, their weight gets distributed over a large area, keeping you and your camels safely above ground. But if any water happens to seep up from underground, it mixes with the sand to create a surface t
How Would Jupiter Swallow Every Planet?
Can Jupiter swallow them all?
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What If You Could Smell Cancer?
Did you know that dogs could actually smell cancer? In some studies, trained dogs have picked up the scent of cancer in blood or breath samples with nearly 97% accuracy.
Learn more about Oncolytics Biotech here.
Disclaimer: This distribution was conducted on behalf of Oncolytics Biotech Inc. (NASDAQ: ONCY) and was funded by Outside The Box Capital Inc. after Underknown Inc. was engaged by Outside
What If We Actually Colonized Mars?
What if humanity actually colonized Mars, only to discover that our monetary systems, which underpin everything on Earth, are unworkable there?
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Surviving on Venus for 100 Days
This is Venus. Some say it's Earth's twin, but it's truly a hellish world. Our mission? Survive on it for 100 days. Surviving on Venus would be difficult. This inferno-beast of a planet packs lead-melting heat, acid clouds, and crushing pressure. Oh - and also... lightning. If you were tasked with surviving Venus for 100 days, how do you think you'd do it?
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Could You Hear Black Holes Collide?
What if you could hear black holes collide? That's what the LIGO observatory was built to do.
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Every Way Chase Has Died in Space - Part 1
If you want to learn more about House of Doge (NASDAQ: $TBH) and CleanCore (NYSE: $ZONE), the Official Doge Coin Treasury, visit House of Doge and CleanCore.
This distribution was conducted on behalf of CleanCore Solutions, Inc. (NYSE: ZONE) and was funded by Outside The Box Capital Inc. after Underknown Inc. was engaged by Outside The Box Capital Inc. to advertise for CleanCore Solutions, Inc. (N
The Day the World Changed Forever
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What If is a mini-documentary web series exploring hypothetical worlds and possibilities. Join us on an adventure through time and space while we explain complex topics in a fun way.
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What If Earth Were Trapped Between Two Suns?
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Which Black Hole is the Biggest?
Black holes can be small and big at the same time, but which is the BIGGEST?
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 access to perks: https://www.youtube.com/channel/UCphTF9wHwhCt-BzIq-s4V-g/joinInterested in sponsoring our episodes or collaborating? Email us: contact@underknown.com
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What If Every Asteroid Hit Earth at Once?
Sixty-six million years ago, an asteroid crashed into Earth, wiping out most life, including dinosaurs. If a rock of that size hit today, humans might face extinction.
Today, we examine the five deadliest asteroids to have hit Earth, either in the past or potentially in the future, and simulate what happens when they all strike simultaneously. Spoiler alert: Earth doesn't survive.
Key Moments:
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What If You Shrunk Every Second?
Learn more about Gain Therapeutics here.
Gain Therapeutics, Inc. is a clinical-stage biotechnology company leading the discovery and development of next-generation allosteric therapies. Gain’s lead drug candidate, GT-02287, is currently being evaluated for the treatment of Parkinson’s disease with or without a GBA1 mutation in a Phase 1b clinical trial. GT-02287 has further potential in Gaucher’s
Can Cancer Really Hide From Your Body?
Learn more about Oncolytics Biotech here: https://bit.ly/OncolyticsBiotech
What if you had cancer and didn’t even know? Its danger isn’t how it grows, but how well it hides. Imagine stripping away that disguise so the body can finally see it and destroy it.
This distribution was conducted on behalf of Oncolytics Biotech Inc. (NASDAQ: ONCY) and was funded by Outside The Box Capital Inc. after Under
