Approximately 75% of the products of human life consist of water.

Earwax is necessary for the health of ears.

Camels have a triple eyelid and two layers of eyelashes to protect their eyes from sand.

The left lung is smaller than the right—so that there is room for the heart.

When in 1850 the first batch of sparrows was brought from Europe to America, the Americans were so delighted that they fed them all to death.

What was the first thing that caught your eye in the picture?👀

This test will reveal your emotional outlook on life

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A daily twenty-minute walk burns about three kilograms of fat per year.

Regular healthy sleep is capable of extending life by 25 years.

Cough is an explosive burst of air that travels at speeds of up to 60 mph.

In the city of Cresskill in New Jersey, all cats must wear three bells so that birds always know their whereabouts.

Parasomnia is a term that denotes unnatural movements during sleep. Some people have even committed crimes because of parasomnia, including driving while asleep and even murder.

Lightning strikes men more often than women!

The fear of cooking is known as mageirocophobia.

On Jupiter, diamond rains occur regularly.

On average, Japanese people are the shortest.

Throughout Earth's history, multiple extinction events have occurred, during which a great number of species vanished. The most famous of these is the extinction of the dinosaurs, which took place about 65 million years ago.

The strongest substances in the entire human body are teeth.

About 1.5 billion years ago, the first organisms formed colonies and began working together as a single unit. This marked the beginning of the development of multicellular organisms.

Approximately 2.7 billion years ago, the first organisms capable of photosynthesis emerged. They used the energy of the sun to convert carbon dioxide into oxygen and organic substances.

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The length of the hair on the head, grown by a person on average over a lifetime, is 725 kilometers.

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A real passionate kiss triggers the same chemical reactions in the brain as skydiving and shooting a pistol.

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