Pandemics (mass epidemics)
Pandemic is an epidemic that is massive in nature. That is, an epidemic that can spread across territories of many can hit entire continents.countries that The most famous pandemics -…

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Overpopulation of the Earth
Overcrowding is a surplus of population in relation to livelihoods or the demand for labor. That is, if not all of the population of the planet is in demand, and…

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Big panda
The big panda is a species of mammals belonging to the bear family. These animals have an interesting black-and-white color, thanks to which they look very cute. In addition to…

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Their study

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

Role of rivers in nature
The river is a significant amount of water flow flowing along the channel (deepening in the earth's surface) from the source (the beginning of the river) to the mouth (the…

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The harm and the benefit of aloe
Aloe - a family of succulent plants, numbering more than 500 species. Of course, far from all of them have medicinal properties. However, some species, common in the Russian-speaking countries,…

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