Science

Thursday, 26 February 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 surface of Deimos is covered with a few craters.
These craters are less visible than on the other moon because they are filled with regolith (rock dust).
NASA
The Super Soaker squirt gun, a popular toy, was invented by a NASA scientist.
lava
The temperature of lava, depending on its composition, can range from 700 to 1,200 °C.
Beyond Earth, lava can reach even higher temperatures; the record holder is Io, Jupiter's moon, where satellites have recorded lava flows with an average temperature of 1,300 °C (2,370 °F).
Moon
The crushed and fragmented rock material that covers the Moon's surface is called regolith.
The thickness of the regolith cover in sea areas ranges from 3 - 5 m and in the highlands 10 - 20 m.
Silver
Silver has the lowest contact resistance among all metals.
Fungi
Fungi live in symbiosis with microorganisms, higher plants and animals.
They form mycorrhiza with many plants (coexistence of roots or seeds of vascular plants with fungi) ...
Milky Way
It is located in the Local Group of Galaxies.
It is an area spanning 10 million light years and located in the Laniakea supercluster. We do not kn ...
Ganymede
The Moon is the only one in the Solar System that has a dipole magnetic field capable of creating a magnetosphere.
Liver
It converts glucose to glycogen, which is released between meals.
Tears
There are three types of tears.
They are: Basal tears (protecting and nourishing cornea) Reflex tears (glands' reaction to irritating compounds, like smoke) Emotional tears (produced in response to various emotional states)