Science

Monday, 1 December 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 ...

Did you know?

Mushrooms
Once mushrooms were included in the world of plants, a group of Thallophytes.
Their limited ability to move, growth type, and morphological dissimilarity from animals have been s ...
Brain
The smallest brain mammal is the Etruscan shrew. The biggest one - the sperm whale.
The Etruscan shrew is also the smallest of the currently known mammals.
Nicotine
There is a claim that nicotine is a highly addictive substance.
However, in the world of science, these opinions are very divergent. According to the latest reports ...
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 ...
Tears
Tears are made up of three layers.
Oily layer–smoothens the tear’s surface and prevents evaporation of other layers Mucous layer–allow ...
Enceladus
The surface temperature of the moon is 75 K.
Brain
The average weight of a brain ranges from about 1,225 to 1,375 grams.
Men's brains are heavier than women's brains, but the weight does not affect the brain’s performance. An infant's brain weighs only 350 grams.
Enceladus
There are geyser-like fissures on the surface of Enceladus that eject streams of water vapor and dust into its atmosphere at speeds of about 400 m/s.
The ejected material rises to an altitude of 1500 km above the moon's surface.
Aurora
Auroras are not only present on our planet.
They were observed on all the giant planets in the solar system: Jupiter, Saturn, Uranus and Neptune.
Graphene
Graphene is an allotrope of carbon consisting of a single layer of atoms arranged in a two-dimensional honeycomb nanostructure (an intermediate-sized structure between microscopic and molecular structures).
Allotropy is the phenomenon of the existence of different varieties of the same chemical element in ...