Science

Monday, 4 May 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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Deimos
The dimensions of Deimos are 15 x 12 x 10.4 km.
Due to its small size, it is not a spherical object.
Cosmos
The Solar System is located in the Milky Way.
Our galaxy ranks rather average, its diameter is 100 to 120 thousand light years. Perhaps a unique f ...
Milky Way
Our galaxy is surrounded by a spherical halo that extends as much as 200.000 light-years from its center.
The halo consists of old stars and globular clusters, and 90 percent of the material it contains is located within a radius of 100.000 light years from the center of the Milky Way.
Graphene
Polish science contributed to the discovery and revolutionization of graphene production methods.
The key date is 2011 when the Institute of Electronic Materials Technology together with the Faculty ...
Nicotine
Tobacco, whose leaves are the source of nicotine, was cultivated by people living in America two thousand years before its discovery by Columbus.
It came to Europe in the 16th century and both tobacco and the nicotine it contained were originally ...
Snow
Snowflakes fall relatively slowly, at about four kilometers per hour.
On average, heavy rainfall falls at about 20 kilometers per hour, and hail can reach much higher spe ...
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.
Ganymede
Ganymede's tectonic activity may have occurred in the past, but it does not occur at present.
Silver
Due to its bactericidal properties, silver is also used in the textile industry.
Nicotine
Until the end of the 20th century, it was believed that nicotine did not lead to the development of cancer.
But already in the first decade of the 21st century, this view was questioned and a debate began among scientists about its carcinogenic properties.