Artificial reservoirs of our planet
An artificial reservoir is a pool of water formed by a human being, for the purpose of its conservation, accumulation and further use. In other words, this place created by…

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Caves and their peculiarities
A cave is a natural cavity in the upper layer of the earth's crust, which has at least one exit to the surface. Sometimes caves are the most complicated systems…

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White shark is a dangerous predator
White shark is a species of large predatory fish. And although they are best known for this name, there are others. So, the full name of these fish is Big…

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Frogs are

Mint is a medicinal plant

Mint is a plant species, which includes 42 species. They all contain a lot of menthol and are very aromatic. Due to this, they are often used in medicine, cooking and horticulture.

Ironically, different types of mint have different odors, because they contain their own set of essential oils, and in general they possess various chemical compositions. But they are all very pleasing, and attract not only people but also animals. Suffice it to recall at least cat mint (her smell, by the way, causes physical pleasure in cats). Continue reading

Viruses and viral diseases

The virus is an infectious agent that does not have a cellular structure, and is capable of reproducing only within cells of living organisms. For this they are referred to obligatory parasites.
They exist wherever there is life. And they are at the same time the most numerous form of life. Their study is practiced by science of virology. Continue reading

Properties of Raspberry
Raspberries are a small plant of small size (semi-small), growing in gardens, forests (often in the fields of felling) and on the banks of rivers. It is famous for its…

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Tiger is the world's largest cat
Tigers are a kind of mammals that belong to the cat family. They represent fairly large, fast and strong animals, making them dangerous predators. This is evidenced even by their…

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