Science

Monday, 30 December 2024
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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Cosmos
It is difficult to estimate the approximate number of stars in space.
According to the simples calculation taking into account the number of galaxies and the average numb ...
Earth
There are over 7.8 billion people in the world.
It took humanity over 2 million years to reach a population of one billion. In 2011, there were 7 bi ...
Anorexia Nervosa
Anorexia is a Greek term meaning denial of appetite, or loss of appetite.
The adjective “nervosa” indicates the functional and unrestricted nature of the disorder.
Mushrooms
Fungi (Fungi) form next to animals (Animalia) and plants (Plantae) a distinct, great realm of eukaryotic living organisms.
They are found in all climatic zones, mainly on land, but also in waters, both salty and fresh. The ...
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.
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 center of our galaxy can be found in the constellation Sagittarius.
Unfortunately, it cannot be observed directly in the visible spectrum because it is obscured by clou ...
lava
Magma can escape to the Earth's surface in the form of lava as a result of a volcanic eruption or through a fracture in the Earth's crust, both on land and underwater.
Lava is similar in composition to magma, but is depleted of volatile components. It consists mainly of molten oxides of silicon, iron, sodium, potassium, calcium, and other metals. 
Liver
It is present in all vertebrates.
Earth
In terms of size, the Earth ranks fifth among the planets in the solar system.
The equatorial radius of the Earth is 6.378,137 km.