Science

Tuesday, 3 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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Aurora
The phenomenon of the aurora borealis is the reason for increased tourism in the areas where it occurs.
In Finnish Lapland, a hotel (houses imitating igloos) was built, where the aurora can be admired lyi ...
Anorexia Nervosa
Anorexia is considered a disease of psychological origin.
The sufferer is usually found to have malnutrition of various degrees, with secondary hormonal and metabolic changes and dysfunction.
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.
lava
Magma is found not only under the Earth's surface.
It has also been found on other rocky planets (Mercury, Venus, Mars) and some natural satellites (moons).
Silver
Pure high-quality silver contains at least 99.9 percent of this metal.
Purity levels above 99.999 percent can also be found.
Silver
Silver compounds are used to silver mirrors and to produce explosives (e.g. silver acetylides).
They are also used in analytical chemistry, e.g. to detect aldehydes (Tollens test).
Mushrooms
Fungi live in symbiosis with microorganisms, higher plants (Embryophyte) and animals.
With many plants, they form mycorrhiza (symbiotic association of roots or seeds of vascular plants w ...
NASA
The Super Soaker squirt gun, a popular toy, was invented by a NASA scientist.
NASA
The Apollo program launched 11 crew missions between 1968 and 1972.
Out of 11, four were test flights, six ended up delivering men to the Moon, and one had failed to accomplish its goal.
Brain
Involving your brain in activities that involve solving logical problems reduces the likelihood of developing dementia by approximately 63%.
For health reasons, you should therefore perform as many tasks as possible involving the brain. Read ...