Science

Thursday, 28 August 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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Anorexia Nervosa
There are two main types of anorexia.
The restrictive type, in which starvation predominates Gluttonous-excessive type, in which the patient overeats uncontrollably, induces vomiting, uses laxatives
Liver
It is responsible for blood production in fetal life.
Aurora
The phenomenon of the aurora borealis is the reason for increased tourism in the areas where it occurs.
In Finnish Lapland, a hotel (houses imitating igloos) was built, where the aurora can be admired lyi ...
Graphene
Carbon is capable of creating many allotropes due to its valence.
In nature, it occurs in large quantities in basically only three allotropic varieties: graphite, dia ...
Mushrooms
They can be very expensive.
The most valuable mushrooms are the white truffles. For a 1.5 kg specimen was paid 330,000$.
Fungi
Mushrooms are some of the oldest inhabitants of Earth.
Recent evidence suggests that the first fungi evolved on Earth between 715 and 810 million years ago.
Moon
The Moon has a residual atmosphere whose pressure is 3×10-15 bar.
Its entire atmosphere weighs only 10 tons.
Aurora
Australians prefer to use the more accessible term - "southern lights" instead of Aurora Australis.
Tears
Tears are primarily made of water.
They also consist of fatty oils, salt, and proteins.
Cosmos
The smallest galaxy discovered so far is Segue 2, located adjacent to the Milky Way.
It is 114.000 light years away from us and is approaching at a speed of 40 km/s towards us. It is ma ...