Science

Friday, 16 January 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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Aurora
Australians prefer to use the more accessible term - "southern lights" instead of Aurora Australis.
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 ...
Large Magellanic Cloud
The galaxy appears in many films, anime, and computer games.
NASA
In the case of finding life on other planets, NASA established an Office of Planetary Protection.
Aurora
The greatest intensity of auroras occurs at maximum solar activity - this happens every eleven years.
Then you can observe auroras also in Europe.
NASA
On September 26th, 2022, the DART mission successfully hit an asteroid.
The Double Asteroid Redirection Test (DART) mission launched on November 24th, 2021 with an aim of c ...
Milky Way
According to recent research, there may be as many as 400 billion stars in the Milky Way.
The number of stars was originally estimated at around 100 million, but recent measurements suggest that this number may be up to four times greater.
Tears
Tears are distributed evenly by blinking.
Earth
According to analyses, the Earth will be able to support life for another 0.5 to 2.3 billion years.
As hydrogen deposits in the solar core decrease, the star's brightness is expected to increase. In j ...
NASA
The first NASA crewed Space Program was Project Mercury.
Although it is not well-remembered, it was the foundation for all space missions.