Science

Saturday, 30 May 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Deimos
The diameter of Deimos during a solar eclipse on Mars is only 2.5 times greater than the diameter of Venus during transit.
Brain
The brain produces about 25 watts of energy.
It does not happen that the brain does not function even for a nanosecond. It constantly analyzes, t ...
Graphene
In diamond, each of carbon’s four valence electrons is involved in the formation of such bonds.
As a result, diamond is a transparent, non-reactive insulator, and graphite is a black conductor, susceptible to chemical modifications.
Large Magellanic Cloud
The diameter of the Large Magellanic Cloud is approximately 14.000 light years.
Earth
Due to the Earth's rotation, the diameter of the equator is 43 km larger than the polar diameter.
The Earth is therefore a slightly flattened ball - this shape is called a geoid.
Liver
It is the body’s largest glandular organ.
It weights approximately 1,600 grams in males and 1,400 grams in females.
Moon
The crushed and fragmented rock material that covers the Moon's surface is called regolith.
The thickness of the regolith cover in sea areas ranges from 3 - 5 m and in the highlands 10 - 20 m.
Silver
Silver is used in medicine wherever it is necessary to reduce the risk of bacterial infections (surgical instruments, dialysis devices).
Silver is also currently used in disinfectants and disinfectants, as well as preparations to prevent infection of wounds and burns.
Moon
The Moon has a residual atmosphere whose pressure is 3×10-15 bar.
Its entire atmosphere weighs only 10 tons.
Cosmos
It is difficult to estimate the approximate number of stars in space.
According to the simples calculation taking into account the number of galaxies and the average numb ...