Science

Thursday, 13 March 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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Nicotine
Research shows that nicotine (cigarette smoking) may protect against the early stages of Alzheimer's disease.
Under the influence of nicotine, patients become aroused, have better memory and greater motor skill ...
Nicotine
Nicotine is a natural insecticide.
Plants such as tobacco produce it to repel pests - nicotine interferes with the neurotransmitters of insects and kills them.
Anorexia Nervosa
Statistical studies indicate that globally, about 2 million people suffer from anorexia.
The disorder occurs 6 to 12 times more often in women than in men. It is far more common in the Caucasian race, especially during adolescence. It is also more common in homosexuals and bisexuals.
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.
Silver
Silver is also used in medicine. Its healing properties were already described by Hippocrates.
Its importance in medicine lies in the use of strong antibacterial properties. Before antibiotics were available, silver compounds were used to prevent infections during World War I.
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
Pumice is formed from acidic varieties of lava.
It is a volcanic magma rock composed of porous volcanic glaze (more than 50% pores), formed from hig ...
Mushrooms
Fungi live in symbiosis with microorganisms, higher plants (Embryophyte) and animals.
With many plants, they form mycorrhiza (symbiotic association of roots or seeds of vascular plants w ...
Snow
Snow is one of the airborne hydrometeors-atmospheric precipitation in the form of ice crystals.
These crystals are mainly shaped like six-pointed stars, combining to form snowflakes. After falling to the ground, the snowflakes form a cover-snow.
Silver
The largest silver producer in Europe is Poland.
The Lower Silesian copper and silver deposits, exploited by KGHM Polska Miedź, were in second place ...