Science

Wednesday, 17 December 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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Brain
Sleep is essential for the proper functioning of the brain.
During sleep, the brain stores and systematizes information.
Earth
It is similar with the oceans - depending on the divisions, there are from three to five of them.
We distinguish oceans: Pacific, Atlantic, Indian, Southern, and Arctic. The basic ones are considere ...
Brain
The brain generates up to 80,000 thoughts a day.
That's over 3,000 thoughts per hour.
Titan
The closest Cassini’s flight around Titan took place at an altitude of 880 km on June 21st, 2010.
Its aim was to check if Titan has its own magnetic field. As it turned out, it does not have a clear ...
Tears
Insincere or inauthentic regret is called “crocodile tears.”
The term derived from a belief that crocodiles cry to lure and devour their prey. It is untrue, howe ...
Cosmos
The observable universe is estimated to be 13.8 billion years old.
The limit of error in the calculation is 21 million years.
Phobos
The area of ​​Phobos is 1,548.3 square kilometers.
Aurora
Auroras take many shapes. They can appear in the form of colored rays, streaks, ribbons, curtains, crowns, arcs, and others.
Graphene
Another potential area of application of graphene is materials engineering.
Very high-quality graphene could be combined with other materials, e.g. rubber or plastics, which wo ...
Aurora
The color of the aurora depends on the height at which the atoms are colliding, and the type of atom.
If the collision is with nitrogen, we see the color purple and maroon. Collision with oxygen gives g ...