The boiling point of nitrogen is minus one hundred and ninety-five point seven degrees Celsius. This means that when it entered your body, the substance would immediately begin to evaporate. Moreover, as a result, gaseous nitrogen is hundreds of times more expansive. One shot is capable of forming about twenty-five liters of gas. If your stomach can accommodate such an amount, you should make sure that you are really human.
Your stomach would begin to swell quickly until...

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To freeze water, you don’t have to be the character Sub-Zero from the beloved game Mortal Kombat.

Nowadays you can just put your water in the freezer, wait a few minutes, and the job is done.

But what do you do if you want to freeze a few million liters of the liquid that are moving at you at a speed of 500 miles or 800 km per hour?

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In this video, you'll learn what's hidden on a closed island in the Indian ocean. I'm going to show you how dangerous other people's secrets can be, and what sacrifices curiosity leads to. You may even get to know one of the most mysterious tribes on the planet - and it's better to do so virtually. Why? You'll see for yourself.

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In 1908, something bizarre happened in Siberia. On June the thirtieth, at seven AM villagers in Eastern Siberia saw a giant luminous sphere flying through the sky. It was approaching with a deafening roar that sounded like thunder. A couple of seconds later, an around forty-megaton explosion occurred. Such impact can be compared to the detonation of two thousand nuclear bombs. The blast wave was picked up in various locations all over the world. The forest at the explosion epicenter was immediately set on fire. Most trees within two thousand square kilometers were fallen. However, some of them remained upright for some reason. At the site where the alleged meteorite fell, there was neither a crater nor fragments. How could such a powerful explosion leave no trace?
In this video, you’ll find out: What will happen if the Earth collides with a black hole? How many mosquitoes does it take to set fire to a forest? And what is the Tunguska event really about?

Imagine you moved to Mars, but you left your precious car on the Earth. Do you know how much you’ll have to pay to move your car to the new house? Nearly forty million US dollars. That’s because only a space rocket can deliver it, and launching is very expensive. For example, Atlas-five was launched into space for one hundred sixty million. Meanwhile, there's almost no room left in the rocket for anything but the fuel compartment. There’s very little space for cargo. Scientists have long contemplated how to replace missiles. To make cargo delivery cheaper and space travel available not only to astronauts and millionaires. But also, to ordinary people like you and me.
A solution exists, and it’s a space elevator. A structure with a height over twenty thousand miles from Earth that can carry you to orbit. Just hit the "up" button and go «to the skies». Unless someone burns that button. Although it will undoubtedly be expensive to build such an elevator, it will provide an opportunity to significantly reduce the cost of launching things into outer space and make space travel a daily thing.
In this video, you'll find out: How to break the law of gravitation? What makes the Moon better than the Earth? And how far can the space elevator take us?

Imagine that you are being chased by a gang of armed bad guys.

There is not a single tree or a stone wall to duck behind for cover.

And unlike a Hollywood film, nobody’s going to swoop in and rescue you…

So...
The villains have cornered you at the edge of a riverbank, leaving you with no escape routes on land.

Your only option is to jump into the river.

So now the question is: will it be safer for you get under the water, with the H2O slowing down and stopping the bullets from
reaching you?

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One hundred sixty million Suns are colliding with one another in complete darkness... It sounds unbelievable, but there's no other way of describing this pair of supermassive black holes that astronomers discovered in December twenty twenty-one. The fusion of these two monsters will take place at a record close distance from Earth! Just eighty-nine million years away… Okay, it's not that close. But one day, we’ll definitely invent faster-than-light spaceships. And then we’ll undoubtedly need a star guide map to avoid the most dangerous objects in the Universe – black holes.
Which ones lie in wait for us right around the corner, in near space? Why can a black hole not only suck you up but also roast you? And where’s the lair of the most dangerous gravitational monsters in the Universe?

The Third World War could have started back in nineteen fifty-eight. A U.S. Air Force bomber accidentally dropped a nuclear bomb into a family's backyard in South Carolina… That day resulted in the deaths of many… baby chicks. Yeah, miraculously, the bomb didn’t go off; it just crushed a few domestic birds with its weight.
In this video, you’ll find out that a devastating threat can result not only from the divisions between powerful countries but from the carelessness of one of the presidents, the rising Moon, or an ordinary bear. We haven't even noticed how close we've been to the Third World War over ten times already! It's time you learned: what does war have to do with football? How did a washing machine save the planet? How many times could the world actually end?

When I hear the word “danger ", I remember this story. And my brain can't even imagine what kind of nonsense it really was against the background of real deadly nightmares that lie in wait for a person outside our blue ball.

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