Science

Saturday, 21 February 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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Silver
Silver is a metal slightly harder than gold.
It is a very ductile and malleable metal with a shiny luster and can be easily polished.
Cosmos
Each object in the sky is observed with a delay.
The farther away the celestial body is from the observer, the longer the light emitted or reflected ...
Fungi
The science of mushrooms is mycology.
Mycologists have developed several systems of classifying fungi.A less official classification group ...
NASA
The second Crew Dragon mission, SpaceX Crew-2, set the record for the longest spaceflight by the U.S. after spending 200 days in orbit.
Titan
Most of the dunes are located near the equator.
They stretch for hundreds of kilometers, and their height reaches 100 meters. Unlike Earth’s, Titan’s dunes are made of organic compounds.
Mushrooms
Fungal reproduction is complex, reflecting differences in lifestyle and genetic composition.
It is estimated that a third of all fungi reproduce using more than one method of reproduction. Most ...
Silver
In alternative medicine, the so-called colloidal silver as a remedy for various ailments.
Taking too large doses of such silver may lead to argyrosis, and discoloration of the skin, eyes, and mucous membranes to a blue-gray color, which is an irreversible process.
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 ...
NASA
NASA has been sued for trespassing on Mars.
Three men from Yemen sued NASA in 1997 claiming that the agency trespassed on their property. They based their claim on the fact that Mars was given to them by their ancestors over 3,000 years ago.
NASA
NASA logo is nicknamed the “meatball.”
It was designed by James Modarelli in 1959.