Science

Friday, 5 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 ...

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Tears
Babies can cry for up to three hours a day.
It is their way of communicating their needs, such as hunger, tiredness, or discomfort.
Deimos
The area of Deimos is only 483,05 square kilometers.
Moon
The Moon's atmosphere consists of 25 percent helium, 25 percent neon, 23percent hydrogen, 20 percent argon and residual amounts of methane, ammonia and carbon dioxide.
Aurora
There are two types of auroras: northern - Aurora Borealis, and southern - Aurora Australis.
Mushrooms
The mushroom called Entoloma hochstetteri is a mushroom with a blue fruiting body color.
Its image is featured on the back of a New Zealand 50-dollar note from 2002.
Anorexia Nervosa
Statistical studies indicate that globally, about 2 million people suffer from anorexia.
The disorder occurs 6 to 12 times more often in women than in men. It is far more common in the Caucasian race, especially during adolescence. It is also more common in homosexuals and bisexuals.
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.
lava
Magma is found not only under the Earth's surface.
It has also been found on other rocky planets (Mercury, Venus, Mars) and some natural satellites (moons).
Moon
The period when the moon orbits the Earth is called a sidereal month, and it lasts 27,3 days.
Aurora
Auroras are caused by magnetic storms in the Sun.
Huge amounts of high-energy charged particles (mainly protons and electrons) are then ejected from t ...