Science

Wednesday, 25 February 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 basic and most widely accepted theory of the origin of the universe is the Big Bang theory.
This theory assumes that the universe began at a single point the size of a pinhead, which, as a res ...
Milky Way
In addition to the stellar halo, our galaxy is also surrounded by a halo made of hot gas, which is much more extensive than the stellar halo.
Its temperature is from 1 million to 2.5 million degrees Celsius and it extends for hundreds of thou ...
Aurora
The Aurora Australis appears within the Earth's south magnetic pole.
The phenomenon can be observed in Tasmania, a mountainous island about 300 km south of the Australia ...
Amber
Baltic amber has been found in the tombs of Egyptian pharaohs.
Scientists claim amber was supposed to represent the tears of Ra—the Egyptian god of the Sun.
Anorexia Nervosa
The disease causes several symptoms from the body’s functioning.
Loss of body fat and muscle, resulting in emaciation and cachexia Lowering of body temperature belo ...
Earth
The Earth has the only natural satellite - the Moon.
The moon is relatively large for a natural satellite. Its diameter is approximately ¼ the diameter of the Earth. It orbits the Earth at an average distance of 384.400 km.
Enceladus
Enceladus' atmosphere consists of water vapor (91%), nitrogen (4%), carbon dioxide (3.2%) and methane (1.7%).
Mushrooms
Multicellular organisms are the most numerous group among fungi, but there are also single-celled fungi, like yeast.
A distinctive feature of fungi is the cell walls built of chitin. The fungus cell can be mononuclear ...
Mushrooms
Most fungi develop as hyphae, which are cylindrical, filamentous structures 2-10 µm in diameter and up to a few centimeters long.
The hyphae branch, merge, which leads to the formation of mycelium, which is an interconnected netwo ...
Ganymede
Probably in 365 BC, the Chinese astronomer Gan De managed to observe Ganymede with the naked eye.