Science

Saturday, 20 June 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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Mushrooms
Fungi are a separate kingdom, more closely related to animals than to plants.
This is established on the basis of phyologenesis (origin), biochemistry and anatomy. Fungi are reco ...
Fungi
Mycelium can become visible to the naked eye, for example, on various surfaces and substrates, such as damp walls, spoiled food, etc.
Mycelia, grown on solid surfaces, are called colonies. Some individual colonies can reach extraordin ...
Tears
Watery eyes may be a signal of dry eye syndrome.
Dry eye syndrome is caused by insufficient quantity or quality of tears, which prevents the proper lubrication of eyeballs. It causes excessive watering of the eyes, as a response to the irritation.
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.
Enceladus
According to new research, liquid water may exist on Enceladus several meters below the ice surface, and conditions there may be favorable for the emergence of life.
Enceladus
There are geyser-like fissures on the surface of Enceladus that eject streams of water vapor and dust into its atmosphere at speeds of about 400 m/s.
The ejected material rises to an altitude of 1500 km above the moon's surface.
lava
The temperature of lava, depending on its composition, can range from 700 to 1,200 °C.
Beyond Earth, lava can reach even higher temperatures; the record holder is Io, Jupiter's moon, where satellites have recorded lava flows with an average temperature of 1,300 °C (2,370 °F).
Silver
Later, pure silver coins were produced.
The British pound was initially worth 1 pound of 925 silver jewelry.
Brain
The brain develops and matures until around the age of 25.
During the first year of life, an infant's brain enlarges threefold.
NASA
On September 26th, 2022, the DART mission successfully hit an asteroid.
The Double Asteroid Redirection Test (DART) mission launched on November 24th, 2021 with an aim of c ...