The television series "Friends", even when it stops airing, earns a billion dollars a year.

This is the income from the purchase of the rights to the series by TV channels around the world. Each of the actors who played major roles receives a 2% royalty, which is about $20 million a year.

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Margins in notebooks and books were added to protect the work from rats.

In the old days, when rats lived in almost every house, they used to nibble the edges of books and notebooks. The presence of margins preserved, if not the book, then the text of the work itself.

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The largest angle of rotation of the feet

Briton Maxwell Day has an amazing ability, he can turn his feet to 157 degrees, thanks to the excessive mobility of the joints.

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The only country named after a woman is Santa Lucia.

It is an island nation located on the island of the same name in the Naval Islands of the West Indies between the islands of St. Vincent and Martinique.

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If a person walks an average of about 10,000 steps a day.

If you add up that distance, you get about 170,000 kilometers in a lifetime - enough to go around the globe more than four times.

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Chocolate has long been a currency.

At the beginning of our era, ancient civilizations living in South Africa and Mexico used cocoa beans in the monetary system.

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This is how the aerodynamics of vehicles are tested

This method is a wind tunnel. Where they reveal the reduction of air resistance, reduction of noise level, prevention of lifting forces.

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Fantastic view: Falcon 9 rocket leaves the atmosphere, creating a "twilight phenomenon"

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Rotterdam Zoo Gives Visitors "Look at the Ceiling" Glasses

After a gorilla broke out of its enclosure and attacked a woman in a zoo in Rotterdam, Holland, visitors were given goggles with pictures of eyes looking into the upper left corner.

The "look at the ceiling" style glasses are needed to avoid eye contact with primates, for whom a straight look is a manifestation of aggression. They see through the small holes in the middle of the lens.

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Almonds are not nuts

Many people think that the fruit of almonds is a nut, in fact, it is not. Almonds are a plant of the plum family. This means that an almond "nut" is the kernel of a stone fruit, much like a plum or apricot.

Only in almonds, all the flavor has "gone" from the pulp to the kernel of the stone.

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When a bird sits on a branch to sleep, its muscles contract, tendons tighten, and claws clench.

During sleep, the body is motionless, so the branch is tightly clenched by the claws. When the bird wakes up, it straightens out and the locking mechanism simply opens!

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It's better not to catch it⚾

A released baseball. The velocity of which is 1000 miles per hour.

The mass of the baseball is known and approximates m = 0.145 kg.

Just imagine the force of hitting a person or hand while trying to catch the ball.

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The only part of the body that is not supplied with blood is the cornea of the eye.

It receives oxygen directly from the air.

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The pygmy toad is the tiniest monkey on the planet, weighing only 150 grams.

They spend most of their lives in trees. They eat tree sap, insects and fruit.

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A pair of penguins can find each other even in a crowd of a thousand other individuals

Penguins are amazingly accurate at distinguishing frequencies and unmistakably identify their partner's voice. The same happens with the chicks.

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Slow motion footage of a cheetah running at over 96 kilometers per hour

Filmed by cameraman Greg Wilson at 1,200 frames per second.

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Elephant Rock is a natural rock formation located on the island of Heimai in Iceland.

This island with a population of 4,500 inhabitants is the most populous in the country.

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