Science

Tuesday, 20 January 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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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 ...
Brain
Brain cells are produced throughout life.
Until the publication of research on neurogenesis in 2018, it was assumed that the process of creating neurons ends in childhood.
Moon
The Moon is so far the only celestial body on which humans have landed.
The first successful landing on the Moon took place on July 20, 1969, at 21:17 CET. Shortly after la ...
Earth
The highest point on Earth is Mount Everest.
The peak is 8848 m above sea level. However, Mount Everest is not the farthest point from the center ...
Moon
The Moon moves around the Earth in an ellipse with an eccentricity of 0.0554, therefore its distance from the Earth varies from 363.104 km to 405.696 km.
The moment of maximum approach to the Earth is called perigee and the moment of greatest distance is called apogee.
Anorexia Nervosa
Statistical studies indicate that globally, about 2 million people suffer from anorexia.
The disorder occurs 6 to 12 times more often in women than in men. It is far more common in the Caucasian race, especially during adolescence. It is also more common in homosexuals and bisexuals.
Milky Way
Until 1920, most astronomers believed that the Milky Way contained all the stars in the universe.
Only observations made by Edwin Hubble made humanity realize that it is only one of many galaxies.
Moon
The average time between new moons is 29 days, 12 hours, 44 minutes and 3 seconds. We call this period the synodic month.
It is longer than the sidereal month because in the process of illuminating the moon's disk, we must take into account the movement of the Moon itself, as well as the Earth and the Sun.
Aurora
The aurora is an inseparable element of the polar regions.
It occurs in high latitudes, mainly beyond the Arctic Circle. It also happens, however, that under favorable conditions, it can be observed around the 50th parallel.
NASA
NASA has been sued for trespassing on Mars.
Three men from Yemen sued NASA in 1997 claiming that the agency trespassed on their property. They based their claim on the fact that Mars was given to them by their ancestors over 3,000 years ago.