Science

Thursday, 14 May 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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Brain
Even though it accounts for only 2% of body weight, it uses about 20% of the energy produced by the body.
Aurora
There are two types of auroras: northern - Aurora Borealis, and southern - Aurora Australis.
NASA
It is estimated that NASA has sent over 2000 animals into space.
Apart from "Ham the Astrochimp," the agency sent insects, rats, pigs, jellyfish, spiders, and rabbits.
lava
One of the main types of flowing lava is "stony rough lava" - aa.
Aa is basaltic lava and is characterized by a rough, jagged surface. It forms rare but large gas bub ...
Enceladus
Underneath the icy crust is an ocean of liquid water 75 kilometers deep.
Tears
Tears are made up of three layers.
Oily layer–smoothens the tear’s surface and prevents evaporation of other layers Mucous layer–allow ...
Earth
The Earth's atmosphere weighs approximately 5.15 trillion tons.
As much as 75 percent of the atmosphere is at an altitude of less than 11 kilometers. With each addi ...
Fungi
Fungal reproduction is complex, reflecting differences in lifestyle and genetic makeup.
It is estimated that one-third of all fungi reproduce using more than one propagation method. Most o ...
NASA
Apollo 13 launched on April 11th, 1970, and was forced to cancel the landing on the lunar surface (precisely on the Fra Mauro site), because of the explosion of an oxygen tank.
Fortunately, the lunar module served as a lifeboat and returned the crew safely back to Earth.
Anorexia Nervosa
Anorexia is considered a disease of psychological origin.
The sufferer is usually found to have malnutrition of various degrees, with secondary hormonal and metabolic changes and dysfunction.