Science

Friday, 5 December 2025
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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Brain
There are no nerve receptors in the brain that register pain, so it does not feel it.
Liver
It consists of four lobes, each made up of eight sections.
Snow
Snow is composed of ice crystals.
Each crystal is transparent, like ice. Light is reflected and scattered at the interface between the ...
Large Magellanic Cloud
One of the closest supernovae is SN 1987A, which exploded inside the Large Magellanic Cloud around February 23, 1987.
It was the brightest supernova recorded since 1604.
Fungi
In the past, mushrooms were considered a part of the plant world, a group of fungi.
It was suggested that they had a limited ability to move, their type of growth, and their morphologi ...
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 greatest intensity of auroras occurs at maximum solar activity - this happens every eleven years.
Then you can observe auroras also in Europe.
Earth
Although it's hard to believe, the Earth's crust consists of 47 percent oxygen.
It is trapped in the soil in the form of various oxides, the most common of which are: silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, and iron oxide.
Amber
It is made up of about 78% carbon, 10% hydrogen, and 11% oxygen.
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 ...