Science

Sunday, 7 June 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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Earth
Throughout its history, Earth has had four different atmospheres.
At first, it was surrounded by a primordial atmosphere, which consisted of the remains of proto-plan ...
Enceladus
Enceladus' geysers are the main source of material in Saturn's E ring.
This material also reaches Saturn's atmosphere, where water from the Enceladus eruption can be found.
Ganymede
The surface temperature of the moon is about 110 K.
Milky Way
A galactic year is the period during which the Sun orbits the center of the galaxy.
It lasts about 230 - 240 million years. The solar system moves around the center of the Milky Way at an average speed of 230 km/s (828,000 km/h).
Mushrooms
The science that studies fungi is mycology. Mycologists have developed several classification systems for fungi.
A less official classification groups fungi due to: Thallus form - large-fruited fungi and microsco ...
Moon
The Moon always faces the Earth with the same side.
This is because our natural satellite is in synchronous rotation with the Earth. A long time ago, th ...
Snow
There are various snow events of varying duration and intensity, such as snow flurries, snow showers, snow squalls, blowing snow, and blizzards.
Snow flurries are minor snowfalls that cause light dusting or no snow accumulation.During snow showe ...
Silver
Silver compounds are toxic to bacteria, viruses, fungi and algae.
Compounds of other heavy metals, such as copper, lead, or mercury, also have such properties, but si ...
Brain
The brain requires constant supplementation with oxygen.
Cut off from oxygen, brain cells start dying after about 5 minutes.
Enceladus
The surface temperature of the moon is 75 K.