Science

Wednesday, 22 April 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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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.
Anorexia Nervosa
The earliest medical descriptions of the disease are attributed to English physician Richard Morton in 1689.
However, it was not until the late 19th century that mental anorexia nervosa was widely accepted by ...
Liver
Liver filters blood.
It breaks down toxic particles, such as drugs and alcohol. It also destroys old and damaged blood cells.
Enceladus
In the equatorial region, the thickness of the Enceladus ice sheet is approximately 35 km.
Silver
Pure high-quality silver contains at least 99.9 percent of this metal.
Purity levels above 99.999 percent can also be found.
NASA
The National Aeronautics and Space Administration agency was established on July 29th, 1958 by president Dwight Eisenhower.
It was a response to the launch of a Soviet artificial satellite Sputnik 1 in 1957.
Ganymede
The surface of Ganymede is geologically very diverse.
On its surface, there are both geologically young areas and much older, darker, and covered with many craters.
Liver
Drinking caffeinated beverages, especially green tea and coffee, benefits the well-being of the liver.
Earth
The first man to leave his home planet was Yuri Gagarin.
A two-hour flight by a Soviet astronaut outside the Earth's atmosphere took place in 1961.
Earth
The Earth, like all planets in space, is doomed to destruction.
Life on the surface of our planet has been wiped out many times by great cataclysms called great ext ...