Science

Sunday, 8 March 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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Silver
Silver does not react with clean air and water.
However, it becomes dull upon contact with ozone, hydrogen sulfide, and air polluted with sulfur compounds. Silver halides slowly decompose when exposed to light.
Milky Way
Its diameter is from 100 to 120 thousand light years.
It is therefore a relatively large galaxy, although some cosmic giants may dwarf it in size. IC 1101 is about 20 times larger than the Milky Way, with a diameter of 2 million light-years.
lava
The most common type of lava in Hawaii and Iceland is pahoehoe.
It is also known as "smooth, unbroken lava". It is characterized by low viscosity, a large amount of ...
Ganymede
The surface temperature of the moon is about 110 K.
Brain
There are approximately 100 billion neurons in the human brain.
Most neurons are found in the cerebellum, ranging from 55 to 70 billion. The cerebral cortex, or what makes us intelligent beings, is made up of 14 to 16 billion neurons.
lava
Lava is molten or partially molten rock (magma) that has risen to the surface as a result of an eruption.
The hot, molten mass of silicates and aluminosilicates, mixed with oxides and sulfides, with large amounts of water and gases, formed lava as it rose to the surface.
Anorexia Nervosa
It is not yet known exactly which genes are responsible for the onset of mental anorexia nervosa.
However, it has been found that the disorder is highly heritable. Studies of twins have shown that t ...
Mushrooms
Fungal reproduction is complex, reflecting differences in lifestyle and genetic composition.
It is estimated that a third of all fungi reproduce using more than one method of reproduction. Most ...
Moon
The Moon has a residual atmosphere whose pressure is 3×10-15 bar.
Its entire atmosphere weighs only 10 tons.
Tears
Tears are primarily made of water.
They also consist of fatty oils, salt, and proteins.