Science

Sunday, 15 March 2026
13 facts about Deimos
13 facts about Deimos
A smaller moon of Mars
Deimos is a smaller and more distant Martian moon. Its diameter is only 12.4 km, although it is difficult to talk about the diameter in the case of su ...

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Moon
The Moon's atmosphere consists of 25 percent helium, 25 percent neon, 23percent hydrogen, 20 percent argon and residual amounts of methane, ammonia and carbon dioxide.
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 ...
Nicotine
Nicotine is an organic chemical compound (C10H14N2) from the group of pyridine alkaloids.
Under natural conditions, nicotine occurs in the leaves and roots of noble tobacco (Nicotiana tabacum), which is most often used in the tobacco industry. The leaves contain 1 to 3 percent of nicotine.
Silver
Silver is also used in medicine. Its healing properties were already described by Hippocrates.
Its importance in medicine lies in the use of strong antibacterial properties. Before antibiotics were available, silver compounds were used to prevent infections during World War I.
Tears
The frequency of crying depends on human nature.
There is no equation to calculate how often people cry. It depends on various factors, such as emoti ...
Amber
Amber was used for incense.
It was used both during religious ceremonies and in hospitals because it was believed to accelerate recovery and help to concentrate.
Fungi
A mushroom called Hydnellum peckii growing in North America, Europe and Asia, secretes a red, bloody substance on a white cap.
It is a very rare mushroom, fully protected in Poland, it is placed on the Red List of Large-bearing Mushrooms with status E, i.e. "extinct".The mushroom is inedible but extremely decorative.
Snow
Snowflakes fall relatively slowly, at about four kilometers per hour.
On average, heavy rainfall falls at about 20 kilometers per hour, and hail can reach much higher spe ...
Mushrooms
Most fungi develop as hyphae, which are cylindrical, filamentous structures 2-10 µm in diameter and up to a few centimeters long.
The hyphae branch, merge, which leads to the formation of mycelium, which is an interconnected netwo ...
Ganymede
It was discovered on January 11, 1610, by Galileo Galilei or a few days earlier by Simon Marius.
In his work from 1614, Marius claimed that he made his discovery a few days before Galileo, and Galileo accused him of lying and plagiarism.