Science

Wednesday, 20 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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Milky Way
It is almost as old as our Universe.
Its age is estimated at 13.6 ± 0.8 billion years, so it may be only 100 million years younger than the Universe.
Nicotine
The name nicotine comes from the name of the French physician Jean Nicot, who recommended tobacco as a medicine in the 16th century.
Nicotine was first isolated in 1828, and its chemical structure was discovered in 1843. Nicotine was first obtained through a chemical process in 1904.
Ganymede
Ganymede has a larger diameter than Mercury and is 5268 km.
Aurora
There are two types of auroras: northern - Aurora Borealis, and southern - Aurora Australis.
Amber
Amber possesses electrostatic properties.
It can produce static electricity when negatively charged by applying friction. Because of that, ancient Greeks named amber “elektron,” which became the basis for the word electricity.
lava
Lava can take many different forms.
Common forms are aa, pahoehoe and pillow lava.
NASA
It is estimated that NASA has sent over 2000 animals into space.
Apart from "Ham the Astrochimp," the agency sent insects, rats, pigs, jellyfish, spiders, and rabbits.
Graphene
Graphene can be used in the biomedical field for diagnostic purposes.
It shows therapeutic potential as a drug carrier. It can also be used in tissue engineering because ...
Aurora
The greatest intensity of auroras occurs at maximum solar activity - this happens every eleven years.
Then you can observe auroras also in Europe.
Large Magellanic Cloud
One of the largest globular clusters in the galaxy is NGC 1783.