Science

Sunday, 18 January 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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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 ...
Tears
Basal tears production drops with age.
Especially common for women, it is a result of hormonal changes after menopause.
Cosmos
There are about 200 trillion galaxies in the universe.
Each has a different composition and size. The largest galaxies can span up to 2 million light years.
Milky Way
Within a radius of 200 thousand, There are as many as 22 galaxies light years from the Milky Way.
All these objects are within the range of the Milky Way's gas halo and are its satellites. The largest of them are the Large Magellanic Cloud, SagDEG, Ursa Major II, and Toucan II.
lava
Magma can also solidify deep within the Earth's crust.
It then forms intrusions, bodies of rock that have penetrated between older rock formations. In the ...
lava
Underwater eruption produces pillow lava.
It cools very quickly and splits into ellipsoidal, usually flattened lobes resembling pillows or loa ...
Ganymede
The surface temperature of the moon is about 110 K.
lava
Magma can escape to the Earth's surface in the form of lava as a result of a volcanic eruption or through a fracture in the Earth's crust, both on land and underwater.
Lava is similar in composition to magma, but is depleted of volatile components. It consists mainly of molten oxides of silicon, iron, sodium, potassium, calcium, and other metals. 
Milky Way
Until 1920, most astronomers believed that the Milky Way contained all the stars in the universe.
Only observations made by Edwin Hubble made humanity realize that it is only one of many galaxies.
Nicotine
Research on the therapeutic effects of nicotine is a very young field of knowledge because so far the focus has been on its negative impact on the body.
Psychiatrists have long wondered why almost 90 percent of patients with schizophrenia and depression ...