Watch the full episode here: https://youtu.be/XXh4KfQrlwE

Deep under the crust and mantle of our Earth lies its core. Earth’s core was formed during the Iron Catastrophe, a major geological event where Earth was heated to temperatures above iron’s melting point. Would a coreless Earth even be sustainable? Could humans live on an Earth with no core? And what kind of environment would we see on this type of Earth?

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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.

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#shorts #whatif #earth #core #geology #science

You chew it. You stretch it. You blow it. And, be honest, sometimes you stick it on things. But what happens to your body when you swallow chewing gum? And, not just once but all the time? If you always swallow your gum, could it plug up your body? Is it true that it could kill you? What does chewing gum do to your digestive system? Could it cause sepsis? Are your intestines in danger? How is the sapodilla tree related to chewing gum?

Transcript and sources: https://whatifshow.com/what-if....-you-always-swallow-

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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.

Produced with love by Underknown in Toronto: https://underknown.com

#whatif #whatifyourbody #chewinggum #stomach #digestivesystem

Watch an updated version of this episode: https://www.youtube.com/watch?v=Nz1tal4_UUo

A volcano is one of the most unforgiving natural phenomenons on Earth. If you were to fall into its magma-filled center, your body would quickly bubble up, and disappear without a trace. So if they're so good at getting rid of things, why aren't we using them to get rid of our garbage? Has anyone tried it before? How would we transport all our trash to them?

Transcript and sources: https://insh.world/science/wha....t-if-we-dumped-our-t

Made possible with the support of Ontario Creates http://www.ontariocreates.ca

Watch more what-if scenarios:
Planet Earth: https://www.youtube.com/watch?v=_-HhCwYD7rc&list=PLZdXRHYAVxTJCzxwmCq0NNpYq9N9wyb2l
The Cosmos: https://www.youtube.com/watch?v=gfuJyVkMH_g&list=PLZdXRHYAVxTJno6oFF9nLGuwXNGYHmE8U
Technology: https://www.youtube.com/watch?v=CS3bBO05fpU&list=PLZdXRHYAVxTIeRY3JtgXgoGqSEB7kDdKO
Your Body: https://www.youtube.com/watch?v=QmXR46TrbA8&list=PLZdXRHYAVxTJNsV9FFeNAKl2ySsHj8GZO
Humanity: https://www.youtube.com/watch?v=fdCDQIyXGnw&list=PLZdXRHYAVxTIFnvmOeWbv-Mt8zFxSCSvZ

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Produced by Underknown in Toronto, 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 — grounded in scientific theory — through time, space and chance, as we ask what if some of the most fundamental aspects of our existence were different.

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"Imagination will often carry us to worlds that never were. But without it, we go nowhere." — Carl Sagan
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Mars didn’t always look like this. It may have once been covered in oceans. But what if we brought all the Martian water back and transformed the red planet into one that’s half blue? What would Mars look like if it was 50% land and 50% water? Where would we even find enough water to fill Martian oceans? And why might we have no choice but to nuke the red planet?

Transcript and sources: https://whatifshow.com/what-if....-mars-was-half-land-

00:00 What If Mars Was Half Land and Half Water?
02:07 Thanks Better Internet!
03:09 Transferring water to Mars
04:31 Nuking Mars
06:13 Redirecting comets and meteors
07:13 Water boiling away

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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.

Produced with love by Underknown in Toronto: https://underknown.com
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#whatif #mars #space #nasa #cosmos #science #solarsystem #astrophysics #astronomy

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For billions of years, the Sun's gravitational pull has kept Earth's orbit on a steady and reliable path. But this rogue star has other plans for our planet. This sudden shift in Earth's gravity would make our planet break away from orbiting the Sun. And now, for the first time in our planet's history, we would be drifting through space without any direction. How fast would Earth travel? Could we survive the extreme temperatures of space? And could the Earth fly through the asteroid belt?

Transcript and sources: https://whatifshow.com/what-if-earth-went-rogue/

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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.

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#Whatif #EarthWentRogue #AsteroidBelt #Atmosphere #OrbitingTheSun

It’s a Paleozoic party! We’re throwing it back 530 million years.

When the Earth woke up from an ice age, the Paleozoic Era began. This era lasted for 289 million years, but you might not even last five minutes in a Paleozoic climate.

Watch the full episode here: https://youtu.be/02Ixe4yXWdY

Produced with love by Underknown in Toronto: https://underknown.com
Contact us at https://underknown.com/contact/

References:

Paleozoic Era: Facts & Information - https://www.livescience.com/37....584-paleozoic-era.ht
Cambrian Period: Facts & Information - https://www.livescience.com/28....098-cambrian-period.
The Cambrian explosion was far shorter than we thought - https://www.nhm.ac.uk/discover..../news/2019/february/
Horseshoe crabs are one of nature's great survivors - https://phys.org/news/2012-01-....horseshoe-crabs-natu
'Star Wars' Sarlacc's Mouth Found on Prehistoric Worm - https://www.seeker.com/star-wa....rs-villains-mouth-fo
A Distant Asteroid Collision Gave Earthly Biodiversity An Ancient Boost - https://www.universetoday.com/....143450/a-distant-ast
Giant Scorpions Used to Roam the Deadly Seas - https://nerdist.com/article/gi....ant-sea-scorpions-fo
Ophiacodon retroversus - https://www.reptileevolution.com/ophiacodon.htm

#Shorts #WhatIf #PaleozoicEra #Devonian #Cambrian

Russian president Vladimir Putin and Chinese leader Xi Jinping have a positive relationship for now. But as Russia goes to war with Ukraine, what would happen if the Chinese invaded Russia?

The Chinese army has over 2 million troops, double Russia’s military force. But Russia has more nukes. And neither of these turbulent countries have seen war in years. What would happen if China invaded Russia?

What could turn China against Russia? How would it impact Russia’s already- low resources from the war in Ukraine? And what would happen if this war went nuclear?

Transcript and sources: https://whatifshow.com/what-if....-china-invades-russi

00:00 China-Russia invasion
00:51 China-Russia relations
01:37 Russian resource drain
01:54 American reaction
03:00 Fighting styles
05:01 Allies

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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.

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#WhatIf #RussiaWar #China #Putin #GasPrices #NuclearWar

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Contrary to what some people think, the Earth isn’t the center of the Universe. But what if it was? What if those medieval astronomers were right, and everything does revolve around you? How would this change what we know about the Sun? In what ways would the other planets move around us? And how would this affect your everyday life? What if the geocentric model of the solar system was true? Instead, what if the heliocentric model was false?

Transcript and sources: https://whatifshow.com/what-if....-earth-was-the-cente

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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.

Produced with love by Underknown in Toronto: https://underknown.com
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#whatif #earth #geocentric #geocentricmodel #geocentricuniverse

The next step in space exploration isn't generations away. It's happening right now. And our destination? That mysterious, desolate world next door, Mars. Imagine starting life over on that tiny red dot over 265 million km (16.5 million mi) away. What would happen if we built a city on Mars? Would you have to live underground? How many people would you live with? And, what would the Martian economy look like? What does regolith have to do with living on Mars? How would radiation shielding be built?

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Transcript and sources: https://whatifshow.com/what-if....-we-built-a-city-on-

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Your Body: http://bit.ly/YT-what-if-Body
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Thank you to our supporters:
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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.

Produced with love by Underknown in Toronto: https://underknown.com

#whatif #MarsHelicopter #spacetravel

You've heard the Soundgarden song, but how about a real Black Hole Sun collision? Most black holes are the remnants of massive stars. Would our Sun survive the collision, or could a black hole make some serious cosmic trouble for the ruler of our Solar System?

Transcript and sources: https://whatifshow.com/what-if....-the-sun-collided-wi

00:00 Black hole Sun.
01:18 Singularity
02:09 Oort Cloud
03:45 Solar matter

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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.

Produced with love by Underknown in Toronto: https://underknown.com
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#WhatIf #Cosmos #SolarSystem

Deserts won't be barren wastelands anymore. We're going to be turning the world's deserts into lush farmland. How costly would terraforming the planet cost? And why could making deserts farmland destroy the Amazon rainforest?

Transcript and sources: https://whatifshow.com/what-if....-we-could-turn-deser

00:00 Desert farmlands?
00:52 Desert facts
01:23 Evapotranspiration
01:59 Nanoclay
03:30 Materials and cost

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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.

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#WhatIf #Farmlands #Terraform #DesertEcosystems #FoodProduction #AmazonRainforest

What if there was another version of you? Somewhere out there in the Universe. A you that could be anything. Imagine a version of you where you're the Batman.Or imagine a you that's President of the United States. All this and more would be possible in a multiverse. What is a multiverse? Is any of this possible? And could you meet your other self?

Transcript and sources: https://whatifshow.com/what-if....-you-had-a-cosmic-tw

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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.

Produced with love by Underknown in Toronto: https://underknown.com

The monkeys have revolted. And not just with brute strength. Primates have finally outsmarted humankind once and for all. It’s their planet now. How intelligent would monkeys need to be to take over? What daily threats would exist for a human like you? And would a monkey planet be more peaceful than our own?

Transcript and sources: https://whatifshow.com/what-if....-monkeys-took-over-t

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What If in Mandarin: http://bit.ly/YT-Chinese-what-if
Podcast: http://bit.ly/yt-what-if-show-podcast

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.

Produced with love by Underknown in Toronto: https://underknown.com
Contact us at https://underknown.com/contact/

#WhatIf #Primates #Monkeys #PlanetOfTheApes #CommonAncestor

Watch the full episode: https://www.youtube.com/watch?v=E9lXjAkymN4

It's the largest star that we've ever discovered. And if it were to replace our Sun, it would change a lot more than just the amount of sunscreen you'd have to put on. Like, how long would it take for our planet to orbit this massive star? What would that do to our seasons? And would we even survive a single orbit?

Questions or concerns? Contact us at https://underknown.com/contact/
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Origins of Food: https://bit.ly/origins-of-food
Versus: https://bit.ly/versus-show
WTF Did I Just Watch: https://bit.ly/wtf-did-i-just-watch

Watch more what-if scenarios:
Planet Earth: http://bit.ly/YT-what-if-Earth
The Cosmos: http://bit.ly/YT-what-if-Cosmos
Technology: http://bit.ly/YT-what-if-Technology
Your Body: http://bit.ly/YT-what-if-Body
Humanity: http://bit.ly/YT-what-if-Humanity

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Facebook: http://bit.ly/facebook-whatif
What If in Spanish: http://bit.ly/YT-Spanish-what-if
What If in Mandarin: http://bit.ly/YT-Chinese-what-if
Podcast: http://bit.ly/yt-what-if-show-podcast

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.

Produced with love by Underknown in Toronto: https://underknown.com
Contact us at https://underknown.com/contact/

#whatif #earth #uyscuti #cosmos #sun #solarsystem #space

Twenty years later, the Matrix is once again asking us to make an ultimate choice. Would you rather live comfortably in the Matrix or wake up in a new terrifying reality? Well, brace yourself. This computer now controls your life down to the last detail. What if your world was a simulation? Could you ever trust your senses? Would you find glitches in the code? And if this is a simulation, who's running the program?

Transcript and sources: https://whatifshow.com/what-if....-were-living-in-a-co

00:00 The red pill or the blue pill?
00:55 Are we characters in someone's virtual reality simulation?
02:41 Why wouldn't the digital world be perfect?
04:22 What's happening to our real bodies?

Questions or concerns? Contact us at https://underknown.com/contact/

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Watch more what-if scenarios:
Planet Earth: http://bit.ly/YT-what-if-Earth
The Cosmos: http://bit.ly/YT-what-if-Cosmos
Technology: http://bit.ly/YT-what-if-Technology
Your Body: http://bit.ly/YT-what-if-Body
Humanity: http://bit.ly/YT-what-if-Humanity

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What If elsewhere:
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Discord: https://discord.gg/qEJ7QnDEyC
Twitter: http://bit.ly/whatif-twitter
Facebook: http://bit.ly/facebook-whatif
What If in Spanish: http://bit.ly/YT-Spanish-what-if
What If in Mandarin: http://bit.ly/YT-Chinese-what-if
Podcast: http://bit.ly/yt-what-if-show-podcast

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.

Produced with love by Underknown in Toronto: https://underknown.com
Contact us at https://underknown.com/contact/

#WhatIf #Matrix #TheMatrixResurrections #Simulation #VirtualReality

Watch the full episode: https://www.youtube.com/watch?v=E9lXjAkymN4

It's the largest star that we've ever discovered. And if it were to replace our Sun, it would change a lot more than just the amount of sunscreen you'd have to put on. Like, how long would it take for our planet to orbit this massive star? What would that do to our seasons? And would we even survive a single orbit?

Questions or concerns? Contact us at https://underknown.com/contact/
Interested in sponsoring our episodes or collaborating? Email us: inquiries@underknown.com

Get our 100 best episodes in one mind-blowing book: http://bit.ly/ytc-the-what-if-100-book

Join this channel to get access to perks:
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Check out our other channels:
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Crazy Creatures: https://bit.ly/crazy-creatures-show
Your Body On: https://bit.ly/your-body-on-show
Origins of Food: https://bit.ly/origins-of-food
Versus: https://bit.ly/versus-show
WTF Did I Just Watch: https://bit.ly/wtf-did-i-just-watch

Watch more what-if scenarios:
Planet Earth: http://bit.ly/YT-what-if-Earth
The Cosmos: http://bit.ly/YT-what-if-Cosmos
Technology: http://bit.ly/YT-what-if-Technology
Your Body: http://bit.ly/YT-what-if-Body
Humanity: http://bit.ly/YT-what-if-Humanity

T-shirts and merch: http://bit.ly/whatifstore
Suggest an episode: http://bit.ly/suggest-whatif
Newsletter: http://bit.ly/whatif-newsletter

What If elsewhere:
Instagram: http://bit.ly/whatif-instagram
Discord: https://discord.gg/Bj5UnspbwE
Twitter: http://bit.ly/whatif-twitter
Facebook: http://bit.ly/facebook-whatif
What If in Spanish: http://bit.ly/YT-Spanish-what-if
What If in Mandarin: http://bit.ly/YT-Chinese-what-if
Podcast: http://bit.ly/yt-what-if-show-podcast

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.

Produced with love by Underknown in Toronto: https://underknown.com
Contact us at https://underknown.com/contact/

#whatif #earth #uyscuti #cosmos #sun #solarsystem #space

Why are these crocodiles spending so much time on dry land? Is it because their watery homes are too polluted? Or is it because they're scared of a bigger predator lurking in the water? An ancient dinosaur that we thought was long gone, but it never left? Meet the Spinosaurus. It's more massive than the T.rex, likes to swim, and loves to eat anything that enters its territory. If humans had been living alongside these river monsters all along, how different would our lives have been?

Transcript and sources: https://whatifshow.com/what-if....-spinosaurs-were-sti

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Watch more what-if scenarios:
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The Cosmos: http://bit.ly/YT-what-if-Cosmos
Technology: http://bit.ly/YT-what-if-Technology
Your Body: http://bit.ly/YT-what-if-Body
Humanity: http://bit.ly/YT-what-if-Humanity

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What If elsewhere:
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What If in Mandarin: http://bit.ly/YT-Chinese-what-if
Podcast: http://bit.ly/yt-what-if-show-podcast

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.

Produced with love by Underknown in Toronto: https://underknown.com

What if we found the way to drain all the Earth's oceans through some mysterious portal at the bottom of the Mariana Trench? How long would it take? Years? Centuries? Millennia? Would there be any life left on Earth when the pumping was over? What if it happened overnight?

Oceanic water makes up 70% of the Earth’s surface. If we opened a portal about the size of a basketball court, it would take us hundreds of thousands of years to pump out the oceans. They hold over a billion cubic km (321 million cubic miles) of water. But what if we had a pump powerful enough to drain all the oceans in a minute? What would happen then?

Sources and more at: https://bit.ly/2Muci0M

This video was in part inspired by Randall Munroe's (xkcd) hilarious book "What if: Serious Scientific Answers to Absurd Hypothetical Questions". Get it here: https://amzn.to/2OZFzT1

A giant, fork-tongued lizard with razor-sharp teeth. And a bite with bacteria-laced venom that's seeping into your flesh. Well, this is no legend. It’s a Komodo dragon. What would happen if you were attacked by one of these giant lizards? What would be your best bet to fight it off?

Transcript and sources: https://whatifshow.com/what-if....-you-were-attacked-b

00:00 The most dangerous lizard
00:51 Komodo dragon facts
03:17 Spotting the Komodo dragon
04:40 Septic bacteria

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Origins of Food: https://bit.ly/origins-of-food
Versus: https://bit.ly/versus-show
WTF Did I Just Watch: https://bit.ly/wtf-did-i-just-watch

Watch more what-if scenarios:
Planet Earth: http://bit.ly/YT-what-if-Earth
The Cosmos: http://bit.ly/YT-what-if-Cosmos
Technology: http://bit.ly/YT-what-if-Technology
Your Body: http://bit.ly/YT-what-if-Body
Humanity: http://bit.ly/YT-what-if-Humanity

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What If in Mandarin: http://bit.ly/YT-Chinese-what-if
Podcast: http://bit.ly/yt-what-if-show-podcast

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.

Produced with love by Underknown in Toronto: https://underknown.com
Contact us at https://underknown.com/contact/

#whatif #komodo #lizard #lizards #reptile #reptiles #animal #animals

Cut down on editing time and write more confidently with Grammarly Premium. Get 20% off Grammarly Premium by signing up at https://www.Grammarly.com/WHATIF

A marshmallow meteorite hurtling straight toward Earth?

How would this sweet space object begin its descent toward our planet? Would the rapid speed of 99.9% of the speed of light, which is 299,792 km/s (186, 282 mps), cause the marshmallow to disintegrate in mid-air?

What would happen if a marshmallow traveling at light speed actually made contact with Earth?

Transcript and sources: https://whatifshow.com/what-if....-a-marshmallow-hit-t

00:00 About marshmallows
01:40 Thank you, Grammarly!
02:39 Light speed
03:32 S’mores in space
5:10 Slow motion
06:51 Marshmallow meteorite

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Watch more what-if scenarios:
Planet Earth: http://bit.ly/YT-what-if-Earth
The Cosmos: http://bit.ly/YT-what-if-Cosmos
Technology: http://bit.ly/YT-what-if-Technology
Your Body: http://bit.ly/YT-what-if-Body
Humanity: http://bit.ly/YT-what-if-Humanity

T-shirts and merch: http://bit.ly/whatifstore
Suggest an episode: http://bit.ly/suggest-whatif
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What If elsewhere:
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Discord: https://discord.gg/WzkQPB3nea
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What If in Spanish: http://bit.ly/YT-Spanish-what-if
What If in Mandarin: http://bit.ly/YT-Chinese-what-if
Podcast: http://bit.ly/yt-what-if-show-podcast

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.

Produced with love by Underknown in Toronto: https://underknown.com
Contact us at https://underknown.com/contact/

#WhatIf #Smores #Marshmallows #Astronauts #Meteorite #ChelyabinskMeteor