Science

Thursday, 4 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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Cosmos
There are about 200 trillion galaxies in the universe.
Each has a different composition and size. The largest galaxies can span up to 2 million light years.
Amber
Baltic amber has been found in the tombs of Egyptian pharaohs.
Scientists claim amber was supposed to represent the tears of Ra—the Egyptian god of the Sun.
Moon
The moon was formed about 4527 billion years ago, or about 30 to 50 million years after the formation of the solar system.
Amber
It has been used as a gemstone since antiquity.
Once polished, it glistens and resembles a gemstone.
Cosmos
We are currently living in the fourth stage of the universe’s development.
It resembles the one 12.8 billion years ago and will continue to look like this for the next billions of years.
Liver
It stores vitamins and minerals.
The vitamins stored in the liver are fat-soluble A, D, E, and K, vitamin B12, copper, and iron. It is responsible for converting vitamin D into an active form.
Silver
Silver has the lowest contact resistance among all metals.
Cosmos
The Solar System is located at a distance of 28.000 light years from the center of the Milky Way.
It orbits around the galactic center of gravity at a speed of 268 km/s. It takes about 230 million y ...
Nicotine
Nicotine affects the human body in many different ways because it binds permanently and blocks the action of dozens of different types of enzymes.
In small doses, it has a stimulating effect on the body, causing increased secretion of adrenaline. ...
NASA
In 1998, NASA, in collaboration with Roscosmos (Russia), ESA (Europe), CSA (Canada), and JAXA (Japan), launched the first component of the International Space Station (ISS).
The ISS program evolved from the 1980s Space Station Freedom program. The first long-term residents ...