Welcome to the longest staring contest of your life. You’re about to go seven days without blinking. What device would keep your eyes forced open? How long would it take...
Ever wonder what it would feel like to step into an oven? Welcome to Death Valley, California. It’s so hot you can barely breathe. This national park that stretches...
Imagine receiving a message from another world. Not from a distant galaxy millions of light years away, but from a planet orbiting the nearest star system to our own. A...
As you set out to enjoy a nature hike, the bushes start to rattle. And since it’s not a windy day, that means you have company. There is no such thing as a solitary hike...
An unusual visitor has entered our cosmic neighborhood. Scientists call these objects interstellar objects, or ISOs. Unlike asteroids and comets that formed around our...
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...
Instead of falling apart after a single crash, now we all have cars that are completely indestructible. Would there be fewer fatalities caused by car accidents? What...
Nuclear weapons are the most powerful and frightening tools ever created by humanity. With over twelve thousand warheads spread across the globe, these devices hold...
The coils tighten, and somewhere inside all that muscle, the snake is listening. It is not waiting for you to stop struggling. It is not waiting for you to stop...
On Earth Day, we’re reminded just how delicate and interconnected our planet’s systems really are. From the air we breathe to the water we drink, even the smallest...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Welcome to a world of teleportation! Where you can wake up in a remote corner of the world, teleport to work in...
Tyrannosaurus Rex. King of the tyrant lizards. It’s 6 meters tall (20 feet), 12 meters (40 feet) long, and it weighs upward of seven tons. You can hide from it...
Today, we’re mapping out a realistic simulation of a zombie apocalypse. Let’s see if you’ve got what it takes to survive the end of civilization...
Proxima b is very promising. It orbits a red dwarf star called Proxima Centauri in a system with three stars in it. Proxima Centauri is small. It only has between 7.5%...
Betelgeuse is one of the closest stars to Earth, at a distance of only 650 light-years away. This makes Betelgeuse a fan-favorite with professional and amateur...
You hear a sharp cracking sound. You look up. A massive tree is leaning toward you, its weight shifting as gravity takes control. There is no time to think, no time to...
Hippos are among the most dangerous animals on Earth. They kill around 500 people every year across Africa, more than twice the number attributed to lions. Despite their...
Your DNA is constantly changing. And if it weren’t for genetic mutations, evolution wouldn’t exist. So, what would life be like if that stopped? What causes your DNA to...
Hundreds of meters underground. Large enough to house tens to hundreds of thousands of people. And walls strong enough to withstand the force of a nuclear blast. These...
