Science

Monday, 17 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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NASA
The Super Soaker squirt gun, a popular toy, was invented by a NASA scientist.
Mushrooms
The fungus Ophiocordyceps unilateralis is able to take control of ants.
Fungi of the genus Cordyceps are parasitic fungi, living on animals - on insect larvae or spiders - ...
Snow
Snowflakes fall relatively slowly, at about four kilometers per hour.
On average, heavy rainfall falls at about 20 kilometers per hour, and hail can reach much higher spe ...
Silver
Silver is also used in medicine. Its healing properties were already described by Hippocrates.
Its importance in medicine lies in the use of strong antibacterial properties. Before antibiotics were available, silver compounds were used to prevent infections during World War I.
Milky Way
The solar system is 27.000 light years away from the center of the Milky Way.
It is located on the inner side of the Orion Arm, one of at least four arms of the galaxy. Their exa ...
Brain
The brain produces about 25 watts of energy.
It does not happen that the brain does not function even for a nanosecond. It constantly analyzes, t ...
NASA
NASA logo is nicknamed the “meatball.”
It was designed by James Modarelli in 1959.
lava
The most common type of lava in Hawaii and Iceland is pahoehoe.
It is also known as "smooth, unbroken lava". It is characterized by low viscosity, a large amount of ...
Titan
The largest crater on Titan’s surface in Menrva.
Its diameter is 392 kilometers, and its depth is 2.8 kilometers. It is located 20.1 degrees north of ...
Snow
Snow is composed of ice crystals.
Each crystal is transparent, like ice. Light is reflected and scattered at the interface between the ...