Science

Thursday, 12 March 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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Cosmos
The Solar System is located at a distance of 28.000 light years from the center of the Milky Way.
It orbits around the galactic center of gravity at a speed of 268 km/s. It takes about 230 million y ...
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.
Nicotine
Research shows that nicotine (cigarette smoking) may protect against the early stages of Alzheimer's disease.
Under the influence of nicotine, patients become aroused, have better memory and greater motor skill ...
Nicotine
Nicotine affects the human body in many different ways because it binds permanently and blocks the action of dozens of different types of enzymes.
In small doses, it has a stimulating effect on the body, causing increased secretion of adrenaline. ...
Cosmos
The Sun has a diameter of 1.392.684 kilometers.
It is about 109 times larger than the Earth and its mass is approximately 333.000 Earth masses. The Sun accounts for about 99.86 percent of the mass of the solar system.
Anorexia Nervosa
One can speak of anorexia when certain symptoms appear in a person’s behavior.
These include: BMI is equal to or less than 17.5 The presence of a strong fear of getting fat or ob ...
Milky Way
It was only in 1610 that Galileo discovered that the Milky Way was made of stars.
Previously, it was believed that it could be part of the Earth's atmosphere or underexposed stars (it was believed that stars shine with light reflected from the Sun) that were in the Earth's shadow.
Mushrooms
Mycelium may become visible to the naked eye, for example, on various surfaces and substrates such as damp walls or spoiled food.
Myceliums grown on solid substrates are referred to as colonies. Some individual colonies can reach ...
Deimos
Unlike Phobos, Deimos rises in the east and sets in the west of the Martian sky.
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 ...