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Interesting facts about UFOs

The study of UFOs (Unidentified Flying Objects) is engaged in a research discipline called ufology.

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Interesting facts about Wuhan

The Chinese city of Wuhan became world famous at the beginning of 2020, when a new type of coronavirus epidemic broke out there, spreading to the entire world in just a few months

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How London was shrouded in a deadly fog or the Great Smog

On December 5, 1952, one of the worst environmental events in English history occurred: the Great Smog. Warm air from the North Sea stopped over London

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The golden blood type, the owner of which is very difficult to find

Until recently, medicine knew only 8 types of blood, each of which has its own subtypes. However, later it turned out that there was another blood type, and it was subsequently dubbed the golden blood group

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Why should people fly into space?

Today, when many tasks on Earth orbit are performed by robots, and interplanetary flights are fully automatic, many people ask themselves: why send people into space, risking their lives, if automatic stations can do all the work instead?

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Why can’t you divide by zero?

It’s because the four actions of arithmetic-addition, subtraction, multiplication, and division-are actually unequal. Mathematicians recognize only two of them - addition and multiplication - as valid.

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