Science

Tuesday, 4 February 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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Milky Way
In addition to the stellar halo, our galaxy is also surrounded by a halo made of hot gas, which is much more extensive than the stellar halo.
Its temperature is from 1 million to 2.5 million degrees Celsius and it extends for hundreds of thou ...
Deimos
An eclipse of Deimos by Mars' shadow occurs on average 110 times per Martian year. Such an eclipse can last up to 4 hours.
Due to the short distance at which Deimos orbits Mars, these eclipses are most often total.
Anorexia Nervosa
Environmental factors have a large impact on the onset of anorexia.
The widespread cult of beauty and a slim figure - the promotion of skinny models, excessive physical ...
Cosmos
The largest crater in the Solar System is located on the surface of Ganymede, Jupiter’s largest moon.
The crater has a diameter of 15.600 kilometers and was discovered on 7th August 2020. So far it has not been named.
Graphene
Nowadays, scientists are interested in a single layer of graphite carbon atoms.
In graphite, each carbon atom is connected to three other atoms and all these bonds lie in one plane ...
Graphene
The Koreans are currently the most advanced in the industrial production of graphene.
Graphene can be used to produce new types of screens (touch or liquid crystal), solar panels, and co ...
Cosmos
After the first period of rapid expansion, the universe began to cool.
As the temperature dropped, subatomic particles and then atoms separated. The universe was filled wi ...
Tears
Basal tears production drops with age.
Especially common for women, it is a result of hormonal changes after menopause.
Tears
There are three types of tears.
They are: Basal tears (protecting and nourishing cornea) Reflex tears (glands' reaction to irritating compounds, like smoke) Emotional tears (produced in response to various emotional states)
Graphene
Scientific research has shown that graphene destroys cancer cells.
By adhering to cancer cells, it creates a thin layer around them, which cuts off oxygen and nutrients. This ultimately leads to the death of cancer cells.