Methods

Why they used to put lead in wine

In the early nineties of the seventeenth century, the German city of Ulm and its surroundings were struck by an unusual epidemic

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Where cats are eaten

Cat meat is eaten in China and Vietnam. However, cats were also eaten in other countries during hard times

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Interesting facts about gold

Precious gold has long been a measure of value and wealth in many cultures. It is sometimes called the blood metal because it has been responsible for more crimes than any other, although of course gold itself is not to blame

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What color is the human brain?

Many people think the brain is made up of gray cells. However, as long as a person is alive, the color of the brain is pink

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Who first invented radio?

With the spread of television and the Internet, wireless communication that uses radio waves as a medium has lost much of its popularity in the home, but radio is still an important form of communication in many areas of human activity

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Why are we getting fatter?

The number of obese people is increasing in all the wealthy countries of the world. Processed foods are gaining in popularity, new technologies are making cooking easier, and the average person is getting heavier

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How do you control stress?

Stress is your body’s response to the conditions of your life in a dynamic world of constant challenge and change. Treat stress this way and learn to respond to it correctly. This is the key to not only avoiding the negative effects

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Why, when we hurt our finger, do we put it in our mouth?

When we pinch it, cut it, hit it with a hammer, etc., we instinctively pull our finger to our mouth: we put it there, or at least start blowing on it. So why do we do this?

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Ways to remove tartar. Safe methods.

Almost everyone is familiar with dental diseases, such as periodontal disease. Today let’s talk about tartar, which causes just as many problems. Plaque forms on the surface of the tooth enamel because of poor brushing

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