Science

Tuesday, 15 July 2025
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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Phobos
Phobos is a very small moon. Its dimensions are 26.8 x 21 x 18.4 km.
Titan
The average temperature on its surface is -179.2 degrees Celsius.
Due to the dense atmosphere and its distance from the Sun, only 1% of the amount of light that reach ...
NASA
In July 1975, NASA launched a joint mission with the Soviet Union, called the Apollo-Soyuz Test Project.
The mission was a symbol of détente during the Cold War. Moreover, it was the last crewed U.S. spaceflight in a space capsule until 2020.
Nicotine
Nicotine is well absorbed through the skin.
This fact is used in the fight against smoking addiction by using patches soaked in it. There are ca ...
Aurora
The particles that make up the solar wind, upon contact with the Earth's magnetic field, spiral along the lines of this field and collide near the magnetic poles with molecules of nitrogen and oxygen, etc.
They arouse them, and these, returning to the ground state, radiate energy in the form of light quanta.
Amber
It has been used in jewelry since 13,000 BC.
Earth
The length of the day on Earth is constantly increasing.
In the first million years of the Earth's existence, the day lasted only four hours. From the very b ...
lava
One of the main types of flowing lava is "stony rough lava" - aa.
Aa is basaltic lava and is characterized by a rough, jagged surface. It forms rare but large gas bub ...
Cosmos
The development of the universe can be divided into five stages.
The very early universe lasted only a picosecond, during which time the laws of physics that we know today had not yet developed.
Moon
The diameter of the Moon is 3474 km, which means it is approximately 1/4 of the diameter of the Earth.