Science

Saturday, 13 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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lava
One of the main types of flowing lava is "stony rough lava" - aa.
Aa is basaltic lava and is characterized by a rough, jagged surface. It forms rare but large gas bub ...
Earth
Throughout its history, Earth has had four different atmospheres.
At first, it was surrounded by a primordial atmosphere, which consisted of the remains of proto-plan ...
Graphene
Nowadays, scientists are interested in a single layer of graphite carbon atoms.
In graphite, each carbon atom is connected to three other atoms and all these bonds lie in one plane ...
Aurora
The phenomenon of the aurora borealis is the reason for increased tourism in the areas where it occurs.
In Finnish Lapland, a hotel (houses imitating igloos) was built, where the aurora can be admired lyi ...
Large Magellanic Cloud
It is located approximately 163.000 light-years from the Milky Way.
The measurement error from 2013 is 2.2 percent.
Liver
Liver produces bile.
It allows to digest fats and proteins. It is also essential to regulating blood glucose.
Moon
The Moon is so far the only celestial body on which humans have landed.
The first successful landing on the Moon took place on July 20, 1969, at 21:17 CET. Shortly after la ...
NASA
Since 2017, NASA, in collaboration with ESA, JAXA, and CSA, has been working on the Artemis program.
The program aims to reestablish a human presence on the Moon with the usage of the Space Launch Syst ...
Tears
Humans are the only animals able to shed emotional tears.
Despite various studies, no evidence to the contrary has yet been announced.
Brain
Brain cells are produced throughout life.
Until the publication of research on neurogenesis in 2018, it was assumed that the process of creating neurons ends in childhood.