Science

Saturday, 29 November 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
Since 2nd November 2000, humans have continuously lived in space.
Although the lineup of astronauts orbiting over our heads changes constantly, there has not been a single day since November 2000 in which any astronaut has not been in space.
Phobos
The surface of Phobos is covered with streaks and ditches approximately 30 meters deep, 200 meters wide, and up to 20 km long.
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.
Nicotine
Until the end of the 20th century, it was believed that nicotine did not lead to the development of cancer.
But already in the first decade of the 21st century, this view was questioned and a debate began among scientists about its carcinogenic properties.
Silver
Attempts are being made to create a silver membrane that would separate oxygen from air, taking advantage of the fact that oxygen is easily absorbed by silver.
Silver
Of all metals, it has the highest electrical conductivity, greater than copper.
However, it cannot be used for the production of electrical cables because it is subject to corrosio ...
Amber
The majority of amber in use is between 30 to 90 millions years old.
Cosmos
The final stage – the death of the cosmos as we know it.
There will eventually come a point in the history of the universe when new stars will stop forming. ...
Titan
It can hide life beneath its surface.
While its surface may be barren, it is likely that beneath its icy surface there may be an ocean tha ...
Nicotine
Tobacco, whose leaves are the source of nicotine, was cultivated by people living in America two thousand years before its discovery by Columbus.
It came to Europe in the 16th century and both tobacco and the nicotine it contained were originally ...