Imagine if all the Earth’s oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And...
There is a reason people say you should never travel alone in the Amazon rainforest. As you go deeper into the jungle, the feeling of being watched becomes impossible to...
Car crashes are a common occurrence. Over 1.35 million people worldwide die in car accidents every year, and crashes are the 8th leading cause of death around the world...
It’s been 100 Earth years since you settled on Mars. You’ve been through pain, loneliness and a lot of hard work. And now Mars is the new promised land everyone...
Swipe Down for Full Video Story Most of us learned that the Solar System has eight planets. For many years, Pluto made it nine before being reclassified as a dwarf...
A massive earthquake knocks you off your feet. There’s a blinding flash of white, and then you see a tsunami of lava rising on the horizon. A nuclear reaction has...
4 Volunteers Went 10 Days Without Salt in the 1930s, and They Were Too Tired to Eat
In the 1930s, Dr. Robert McCance of Cambridge University’s Department of Experimental Medicine convinced four people to give up salt completely for ten days. He...
What If the Gulf Stream Stopped? Europe Could Freeze as the Rest of the World Heats Up
Our planet has seen this before. Its ice has already melted. Water levels have risen. Ocean currents have already stopped. The last time this happened was 13,000 years...
Hang on because we’re about to screech to a halt. That’s right. The Earth is going to stop spinning for five seconds. How much damage would this sudden stoppage cause...
We can build really big things in space. Okay, not that big – yet. But we’ve packed the Earth’s lower orbit with about 5,000 satellites – some...
You’re swimming in the sea when you feel a long creature brush by you underwater. Suddenly, there’s a sharp pain in your arm. Whatever that thing was, it...
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...
In 1974, 18 year old Carol DaRonch was shopping at a mall in Murray, Utah, when a man approached her and claimed to be a police detective. He showed her what appeared to...
This blue, marble-like planet looks just like Earth. But only five seconds on this hostile death-orb would kill you. Welcome to HD 189733b. This planet is enormous. Even...
Could you imagine jumping from the kitchen window and diving into water? How fun would that be? For some people, sure. It seems unlikely, but it’s not as crazy as...
[dx_custom_adunit mobile_id=”RTK_v1lP”] If you were exposed to the harsh depths of space, you’d lose consciousness in 15 seconds, and be dead within 30...
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...
The Kardashev Scale, first introduced by Russian astronomer Nikolai Kardashev, is a way of measuring how advanced a civilization is based on how much energy it can...
Beneath Antarctica’s endless white surface lies a world most people never think about. Under kilometers of solid ice, the continent hides a landscape shaped by fire...
Do you long for an elegant weapon from a more civilized age? Something less clumsy and random. As you hone your sensitivity to the Force, you may wonder. What if...

