Science

Friday, 5 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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Liver
It converts glucose to glycogen, which is released between meals.
Milky Way
The center of our galaxy can be found in the constellation Sagittarius.
Unfortunately, it cannot be observed directly in the visible spectrum because it is obscured by clou ...
Nicotine
Nicotine is well absorbed through the skin.
This fact is used in the fight against smoking addiction by using patches soaked in it. There are ca ...
Silver
Silver is also used in the production of electrical and electronic equipment, high-voltage contacts, solder, high-capacity silver-zinc and silver-cadmium batteries, and photovoltaic cells.
Silver is the only catalyst that allows the conversion of ethylene into ethylene oxide, which then undergoes hydrolysis to produce ethylene glycol, used to produce polyester.
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.
Silver
The use of silver is very wide, mainly as a precious metal.
925 silver alloyed with copper is used to make jewelry, dishes and cutlery, medals, and musical inst ...
Silver
Silver occurs in nature in its native form (a rare mineral consisting mainly of metallic silver), along with sulfur, arsenic, antimony and chlorine.
It is also found in the ores: argentite (a rare mineral from the sulfide group), chlorargyrite (a ve ...
Ganymede
Ganymede has a larger diameter than Mercury and is 5268 km.
Fungi
Fungal reproduction is complex, reflecting differences in lifestyle and genetic makeup.
It is estimated that one-third of all fungi reproduce using more than one propagation method. Most o ...
Cosmos
The smallest galaxy discovered so far is Segue 2, located adjacent to the Milky Way.
It is 114.000 light years away from us and is approaching at a speed of 40 km/s towards us. It is ma ...