iW9jbbrip2I what-if-space-was-full-of-air What If Space Was Full of Air? In a nutshell: everyone dies... the end. ic4I3cL-tZA what-if-the-dinosaur-extinction-didnt-happen-65-million-years-ago What If Dinosaur Extinction Didn't Happen 65 Million Years Ago 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. AnhDh1KABfA what-if-mars-was-half-land-and-half-water What 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? AcoWd509DgQ what-if-you-drank-only-water-for-the-rest-of-your-life What 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? jOQ1shrpz9w what-if-each-planet-replaced-our-moon What 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-R8BBwB8 what-if-you-traveled-at-the-speed-of-light What if you Traveled at The Speed of Light? The Flash: Am I a joke to you? _xvQJnqvfIQ what-would-happen-if-130-earthquake-hits What Would Happen If 13.0 Earthquake Hits? From a scientific point of view, all the water on the planet isn’t enough to drown all life. MHKiq7N1Pv8 what-will-we-look-like-when-we-become-a-type-2-civilization What 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... YjB0EtL6iUw what-if-titanoboa-snake-didnt-go-extinct What If Titanoboa Snake Didn't Go Extinct? Today I will tell you about the ancient monsters that terrify everyone in the area. You will find out when and where these monsters lived. And then we will transfer them to our time. OxHWImyWBKM what-if-a-needle-hits-the-ground-at-the-speed-of-light What if a Needle Hits the Ground at the Speed of Light? When he said “size does not matter” he gave me hope... uB8pQbYgxM4 what-if-a-mega-tsunami-hit-the-united-states What 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. XYD1AopG1sw what-if-you-hacked-all-the-worlds-satellites What 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. 5DGwOJXSxqg what-happens-if-you-get-coronavirus What 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-14 what-if-the-yellowstone-volcano-erupted-tomorrow What 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! 6xqvFsJHoHc what-if-we-discover-life-after-death What 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? au7eZtOhU20 what-if-you-fell-into-niagara-falls What 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... YIXy2Kit4z4 what-if-the-sun-exploded-tomorrow What If the Sun Exploded Tomorrow? 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. dWLgElAGPP4 what-if-you-travel-back-in-time-and-killed-your-grandfather What if you Travel Back in Time and Killed Your Grandfather? Hmmm... good question... cAPXQtT766Q what-if-we-used-the-full-capacity-of-our-brains What 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. ME3sjezuckE what-if-time-is-an-illusion What If Time Is an Illusion? 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. 22ezD5l2SQU what-if-the-moon-landing-was-faked What If The Moon Landing Was Faked? Do you believe in conspiracy theories? Do you believe that the American government sent men to the Moon, decades ago? woaKYa9X2Ic what-if-the-internet-stopped-working What If the Internet Stopped Working? Pretend for a moment that you wake up one morning to discover the Internet has disappeared. Would this be doomsday for us all? t5sF8GEvj5E what-if-earths-magnetic-poles-flipped What If Earth’s Magnetic Poles Flipped? Pole reversal: it’s not something that will destroy all humans, but you would definitely notice some big changes around the neighbourhood. lwe5KTdzSHg what-if-you-fell-into-a-black-hole What If You Fell Into a Black Hole? What would the outcome be if you took a leap of faith straight into a black hole? We looked to Einstein and Hawking to ponder the scenario. MI_0-ZLqdo8 whatll-happen-to-you-if-you-start-eating-3-eggs-a-day What'll happen to you if you Start Eating 3 Eggs a Day? Eggs have been getting a bad rap in the health and fitness community because they are associated with cholesterol and weight gain. Others say they may trigger a heart attack. tlEPaui_Poo what-if-time-travel-was-possible What If Time Travel Was Possible? What if the dimension of time was no different from the three dimensions of space we live in? What if you could travel to the past and to the future…. the same way you can move right or left, up or down? 1UkPKz2KMjI what-happens-if-you-stop-drinking-caffeine What Happens if you Stop Drinking Caffeine? by Second Thought Gq8Mqf7hLjM what-if-the-sun-goes-out-for-24-hours What If The Sun Goes Out For 24 Hours Let's speculate for a moment. What would happen if our sun suddenly went out? For an hour or for a month or let's say even for a whole year? What would happen to mankind? eaFdUh6j3aE what-if-pangea-still-existed What if Pangea Still Existed? Pangea is the most famous of the ancient super continents, lasting over 100 million years. What would civilization be like if humans lived on it? Here is one small scenario.