Chimpanzees are the only animals that can recognize themselves in the mirror.
Cats don't taste sweet. They do not respond to sugar or its substitutes.
When we blush, even the tissues that line our stomach from the inside blush.
There are 1609 kilometers of capillaries in human lungs. And the surface area of the lungs is almost 100 square meters, which is approximately equal to the area of the tennis court.
The Moon has its own "water" elements - the Ocean of Storms, the Lake of Death and the Marsh of Rot.
The dark-blue color is considered the most favorable for the interview; while orange color takes the last place in the list of recommended colors. Therefore, if you really want to wear something in the color of tangerine, save it for the weekend.
The heart is one of the most slowly regenerating organs of the human body. In a 25-year-old person, only 1% of heart cells are renewed annually, and this figure decreases with age. In a lifetime, less than half the heart cells are renewed.
The power of sneezing is so great that it exceeds a speed of 160 km/h. And this is stronger than the wind!
A thousand letters addressed to God arrive in Jerusalem annually.
The world's first computer was created in 1941. It weighed 30 tons and cost 500 thousand dollars.
Red blood cells have time to “run around” the entire human body in 20 seconds.
Violet Jessop worked as a stewardess for 42 years and survived three wrecks of the famous airliners: Titanic, Britannic and Olympic. She was lucky to stay alive after fatal voyages.
The human intestines have 1,000 times more bacteria than the stars in the Milky Way galaxy.
Scallop has up to 100 eyes.
A person spends indoors about 90% of his time.
Sneezing in a dream is impossible. Even if someone tickles your nose, you still wake up before you sneeze.
The surface area of the tallest building in the world - the Burj Khalifa skyscraper in Dubai is approximately equal to the area of 17 football fields. Its height is 829.8 m. The glass of a 163-story building is washed daily, and it takes about three months to wash the entire surface.
A person blinks about 84 million times a year or 230137 times a day.
70% of household dust consists of discarded skin.
Children will laugh even if they hate tickling.