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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Lycopodium is the spores of a clubmoss.

They do not sink in water and always stay dry. It looks very interesting

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Grapefruits are 92% water, making them one of the most hydrating fruits on the planet.

When you consider that people get up to 20% of their daily water needs from food, including just one grapefruit in their diet can significantly reduce dehydration.

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The gloves are like those from the Superman movies.

A special feature of these gloves is that they can easily absorb electricity.

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The tiger never undermines the population of ungulates on its territory.

Though the tiger eats about 50 ungulates a year, he is the "softest" predator, killing as many as he can eat.

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The most absurd death

While extinguishing a forest fire, the body of a scuba diver was found on the fire. It turned out that he was exploring an underwater cave in a nearby lake and had been scooped up by a helicopter that was extinguishing the fire from the air and taking water from the lake.

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The word "Ambulance" is spelled backwards.

We see all objects reflected in the mirror and the words backwards. When the driver of the other car looks in the side mirror at the road, he sees the word "Ambulance" spelled correctly

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Mine detector

Automated mine detector that allows you to neutralize mines in a safe way. In the event of an explosion, splinters do not destroy the device, thanks to its special design.

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A replica of Captain America's shield

The shield created by the blogger can bounce off walls and back into his hands, and also protects against a throwing knife.

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Plasticine animation

As one of the most primitive types of animation, it has a unique atmosphere, and the process of its creation is no less spectacular than the result.

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The smallest birds on Earth.

The smallest species, the hummingbird bee, weighs about 2 grams.

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Why fireworks are a thing of the past: a spectacular show from Intel using 1,500 drones.

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If you want super-fresh fries, order them without salt.

If you like freshly cooked fries exclusively, ask the waiter for a portion without salt. Since the potatoes are salted immediately after cooking, the staff will have to prepare a non-salted portion just for you.

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The World's Longest Marriage Lasted 86 Years

The next time one of your friends tries to tell you that true love doesn't exist, just tell them about Herbert and Zelmira Fisher.

According to the Guinness Book of World Records, the late couple broke the record for longest marriage in history back in February 2011, staying married for 86 years and 290 days.

As for the secret of their success, the couple once said that "there is no secret in our marriage - we just did what was necessary for each other and our family."

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During a quarrel, the bullfrogs do not fight, but throw sand into their opponent's hole.

So the loser will have to build a house elsewhere.

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