Science

Monday, 15 December 2025
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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Phobos
It’s named after a Greek deity.
Phobos was a son of Ares, a god of war. Ares is a counterpart of Mars from Roman mythology.
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.
Titan
The average temperature on its surface is -179.2 degrees Celsius.
Due to the dense atmosphere and its distance from the Sun, only 1% of the amount of light that reach ...
Brain
The brain generates up to 80,000 thoughts a day.
That's over 3,000 thoughts per hour.
Silver
Later, pure silver coins were produced.
The British pound was initially worth 1 pound of 925 silver jewelry.
Milky Way
Our galaxy is surrounded by a spherical halo that extends as much as 200.000 light-years from its center.
The halo consists of old stars and globular clusters, and 90 percent of the material it contains is located within a radius of 100.000 light years from the center of the Milky Way.
Amber
The largest deposit of amber comes from the Baltic Sea region.
The Baltic amber is the highest quality.
Titan
Rains of liquid organic compounds, mainly methane, fall to the surface of the moon from clouds consisting of methane and ethane.
Typically, cloud cover does not exceed 1% of the moon's surface, but periodically it can increase up ...
Earth
The largest part of the Earth's land is used for animal breeding (30 to 47 percent).
This is followed by wasteland and wilderness (24 to 31 percent), human forests (16 to 27 percent), arable farms (12 to 14 percent), and infrastructure (1 percent).
Cosmos
The observable universe is estimated to be 13.8 billion years old.
The limit of error in the calculation is 21 million years.