Science

Tuesday, 17 March 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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Fungi
Mushrooms are some of the oldest inhabitants of Earth.
Recent evidence suggests that the first fungi evolved on Earth between 715 and 810 million years ago.
Cosmos
Light from the surface of the Sun to Earth travels about 8 minutes and 10 seconds.
This means that when we look at the Sun in the sky, we see it where it was more than 8 minutes ago.
Brain
Physical activity is equally important for the proper functioning of the brain, as it helps to create new nerve connections.
Medium-intensity aerobic exercise is considered the most effective.
Brain
The brain develops and matures until around the age of 25.
During the first year of life, an infant's brain enlarges threefold.
Deimos
The dimensions of Deimos are 15 x 12 x 10.4 km.
Due to its small size, it is not a spherical object.
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.
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 ...
NASA
NASA employs over 17,000 people.
Its HQ—Mary W. Jackson—is located in Washington, D.C.
NASA
The most memorable mission of Project Mercury was Freedom 7.
The liftoff took place on May 5th, 1961. It allowed Alan Shepard Jr. to go down in history as the fi ...
Earth
Depending on the classification, there are five to seven continents on Earth.
According to the most common division, there are Europe, Asia, North America, South America, Africa, ...