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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Nicotine
Nicotine is a natural insecticide.
Plants such as tobacco produce it to repel pests - nicotine interferes with the neurotransmitters of insects and kills them.
Snow
Snow is composed of ice crystals.
Each crystal is transparent, like ice. Light is reflected and scattered at the interface between the ...
NASA
In 1973 NASA launched the Skylab mission.
Its purpose was to set up the first American space station. Skylab successfully operated from May 14th, 1973 to July 11th, 1979, when it disintegrated into the atmosphere.
Earth
The largest tectonic plate is the Pacific one, covering an area of 103 million square kilometers.
Most of the plate is submerged under the ocean, the land area of the Pacific plate is only a part of ...
Phobos
Phobos is a very small moon. Its dimensions are 26.8 x 21 x 18.4 km.
Large Magellanic Cloud
According to research carried out by the Hubble Large Telescope in 2014, it was calculated that the rotation of the Large Magellanic Cloud around its axis takes about 250 million years.
Cosmos
The largest mountain in the Solar System is Olympus Mons.
This extinct volcano rises above the Martian surface to a height of about level. The diameter of the ...
NASA
NASA officially opened on October 1st, 1958.
Silver
Attempts are being made to create a silver membrane that would separate oxygen from air, taking advantage of the fact that oxygen is easily absorbed by silver.
Anorexia Nervosa
Anorexia nervosa, often referred to simply as anorexia, is an eating disorder.
The disorder is characterized by low weight, restricted eating, body image disturbances, fear of gaining weight, and an overwhelming desire to be thin. Attempts to lose weight can lead to starvation.