Science

Sunday, 8 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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Aurora
Auroras take many shapes. They can appear in the form of colored rays, streaks, ribbons, curtains, crowns, arcs, and others.
Graphene
Already in the 19th century, scientists speculated that graphite was composed of layers.
This was only proven through research at the beginning of the 20th century, In 1947, the first theor ...
Snow
Snow crystals were first photographed in 1879.
This was done by German lawyer, astronomer, naturalist, and nature photographer Johann Heinrich Ludw ...
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.
Enceladus
In the equatorial region, the thickness of the Enceladus ice sheet is approximately 35 km.
Aurora
The color of the aurora depends on the height at which the atoms are colliding, and the type of atom.
If the collision is with nitrogen, we see the color purple and maroon. Collision with oxygen gives g ...
Large Magellanic Cloud
Between the Large and Small Magellanic Clouds, there is a belt of hydrogen that connects both galaxies.
There are numerous stars inside the gas belt, concentrating in two places in the belt in the so-call ...
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.
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
Docosahexaenoic acid (DHA) plays a key role in the proper functioning of the brain.
It is an organic chemical compound from the group of omega-3 fatty acids, therefore the consumption of polyunsaturated fatty acids is extremely important.