pNz6KaxViXofexl-what-if-consciousness-doesnt-need-a-brainFexl | What If Consciousness Doesn't Need A Brain?If the brain is just a structure, just a tool, then maybe your sense of self is not inside it, but only passing through it. Like a light shining through glass.
BKIkTKqWMfgcleo-abram-and-brian-cox-what-if-you-fall-into-a-black-hole-2025Cleo Abram and Brian Cox | What if you Fall into a Black Hole? (2025)Imagine that you’re flying through space, when suddenly you start to get dragged toward a dark abyss. Reality as you know it starts to change. Time begins to warp. And you start to feel this strange sort of sensation of being stretched and squashed…
88bMVbx1dzMveritasium-what-if-you-just-keep-zooming-inVeritasium | What If You Just Keep Zooming In?Here’s what happens when you just keep zooming in...
bjhZCsnywcAanimalogic-what-happens-2025-if-you-eat-moldAnimalogic | What Happens if You Eat Mold? (2025)Mold is everywhere! In your food, in your walls, in the air... But what is it? And what does it want from you?
yMULVmV03I4what-if-you-could-see-the-tenth-dimensionWhat If You Could See the Tenth Dimension?Here's part II of the Hyperspace series, where we explore constraints on each level. From Alpha's linear time perception to the grand finale of Omega existence.
vyEWLhOfLgQwhat-if-humans-are-not-earths-first-civilizationWhat if Humans Are Not Earth's First Civilization?We’re almost certainly the first technological civilization on Earth. But what if we’re not? We are. Although how sure are we, really? The Silurian hypothesis, which asks whether pre-human industrial civilizations might have existed.
g6thUIR3_rIkoranos-what-if-you-traveled-one-billion-years-into-the-futureKoranos | What If You Traveled One Billion Years Into the Future?What would happen if you traveled one billion years into the future?
UVl7lxk0HhIjoe-scott-what-if-every-nuke-went-off-at-once-2033Joe Scott | What If Every Nuke Went Off At Once? (2023)Over the years, we’ve heard hundreds of time about how we have enough nuclear weapons to destroy the world. But is that actually true?
Bw8b9YV0EPAvwhat-if-the-speed-of-light-is-not-constantPBS Space Time | What If The Speed of Light is Not Constant?One of the most fundamental physics facts is that the speed of light in a vacuum is constant for all observers. But can we really be sure that the speed of light wasn’t different in the past, or perhaps in other parts of the universe?
QGaYypuU0jIwhat-if-the-dinosaur-extinction-didnt-happen-65-million-years-agoWhat If Dinosaur Extinction Didn't Happen?One of the most amazing things that has happened in the history of our planet was the shocking moment when an entire world disappeared, maybe in a very short time thanks to a huge meteor strike.
AnhDh1KABfAwhat-if-mars-was-half-land-and-half-waterWhat If Mars was Half Land and Half Water?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?
AcoWd509DgQwhat-if-you-drank-only-water-for-the-rest-of-your-lifeWhat If You Drank Only Water for the Rest of Your Life?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?
jOQ1shrpz9wwhat-if-each-planet-replaced-our-moonWhat If Each Planet Replaced Our Moon?We can thank the Moon for predictable weather, ocean currents and the circulation of important nutrients. The Moon also helps stabilize the Earth's tilt. Take away the Moon, and the Earth would go wobbling all over the place. And it would cause what I can only describe as climate change on steroids.
Ph1-R8BBwB8ridddle-what-if-you-traveled-at-the-speed-of-light-2021Ridddle | What if you Traveled at The Speed of Light? (2021)The Flash: Am I a joke to you?
_xvQJnqvfIQridddle-what-would-happen-if-130-earthquake-hits-2021Ridddle | What Would Happen If 13.0 Earthquake Hits? (2021)From a scientific point of view, all the water on the planet isn’t enough to drown all life.
MHKiq7N1Pv8what-will-we-look-like-when-we-become-a-type-2-civilizationWhat will we Look Like when we become a Type 2 Civilization?If we became a type 6 Civilization, well thats so hard to really imagine considering that would take us about 10 million years to achieve...
YjB0EtL6iUwridddle-what-if-titanoboa-snake-didnt-go-extinct-2020Ridddle | What If Titanoboa Snake Didn't Go Extinct? (2020)Today I will tell you about the ancient monsters that terrify everyone in the area.
OxHWImyWBKMwhat-if-a-needle-hits-the-ground-at-the-speed-of-lightWhat if a Needle Hits the Ground at the Speed of Light?When he said “size does not matter” he gave me hope...
1C96cDeo_Xowhat-if-a-mega-tsunami-hit-the-united-statesWhat If A Mega-Tsunami Hit The United States?Some geologists theorize that a volcano on La Palma might fall into the ocean and send a mega-tsunami across the Atlantic.
XYD1AopG1swwhat-if-you-hacked-all-the-worlds-satellitesWhat If You Hacked All the World's Satellites?There are more than 2,000 satellites orbiting Earth right now. And there are about to be a lot more.
5DGwOJXSxqgwhat-happens-if-you-get-coronavirusWhat Happens If You Get Coronavirus?Think about it for a second, we’re inside an era of History that will be remembered in the History books! Also a good story to tell your future children and future grandchildren!
2iRJb15W-14what-if-the-yellowstone-volcano-erupted-tomorrowWhat If the Yellowstone Volcano Erupted Tomorrow?Located in the United States, one of the world's largest volcanoes is gearing up to explode. It's known as the Yellowstone Volcano, and it's not just any regular volcano. Instead, it's a supervolcano!
-F5BrN8LE6Qwhat-if-you-fell-into-a-piranha-poolWhat If You Fell Into a Piranha Pool?Its teeth are supposedly so sharp that if it were to bite you, you would only realize it after you saw the blood. But what if you were attacked by a school of these colorful, fast-moving carnivores? How much would you feel? How long would you last?
6xqvFsJHoHcwhat-if-we-discover-life-after-deathWhat If We Discover Life After Death?Death and the possibility of an afterlife have fascinated artists, philosophers, and scientists throughout history. Fear, hope, dread ... these are all things we might feel when we ponder what happens to us after we die. But what does science actually know about the afterlife?
au7eZtOhU20what-if-you-fell-into-niagara-fallsWhat If You Fell Into Niagara Falls?They're not the biggest falls on Earth, not by a long shot. But they're certainly among the most famous. Niagara Falls attracts millions of visitors from around the world every year. People come for the history, they come for romance, they come for the spectacular view! But some people just can't get close enough...
YIXy2Kit4z4what-if-the-sun-exploded-tomorrow-2019What If the Sun Exploded Tomorrow? (2019)Correction: we mixed up the Sun‘s lifespan with its age. Of course the sun is only about 4.6 billion years old, half way through its lifespan of about 10 billion years.
dWLgElAGPP4what-if-you-travel-back-in-time-and-killed-your-grandfatherWhat if you Travel Back in Time and Killed Your Grandfather?Hmmm... good question...
cAPXQtT766Qwhat-if-we-used-the-full-capacity-of-our-brainsWhat If We Used the Full Capacity of Our Brains?Brain size relates more to proportion than it does to intelligence. Your brain is smaller than a whale’s because your body is smaller. However, your brain is structured in a way that enables you to survive, and succeed.
ME3sjezuckEwhat-if-time-is-an-illusion-2019What If Time Is an Illusion? (2019)How do you distinguish between past, present, and future? Is there really an order to time? Does it only move forward? Does it move in any direction at all? Stop the clock. Abandon all assumptions. And try to stay calm.