Is it true that Indians don’t grow beards?
Indians are called the Native American population. This name arose by mistake, but firmly attached to the local...
How was body temperature taken before the thermometer was invented?
Body temperature is one of the most important indicators of the condition of the body. In modern medicine,...
When and how did credit cards come into being?
Today, the credit card is commonplace. It allows you to quickly pay for almost any purchase and not...
Why do Finns call themselves and their country Suomi?
All over the world, this small country is known as Finland, and only Finns themselves prefer to call...
Who came up with the names of the seven notes?
The notes in music graphically represent distinct sounds, and a musical composition right combines sounds. Notes are very...
What is an anemometer, and what does it measure?
Almost everyone has heard of the anemometer. The device is actively used in meteorological stations and is indispensable...
What is a compass and what is it for?
The compass is one of the greatest inventions of humanity, a device for orientation. Its appearance is comparable...
Who invented the wheel and where did it happen?
It is hard to say what path human civilization would have taken if people had not invented the...
Why are there Arabic numerals in China?
Two people who speak different languages can hardly understand each other. And only with numbers, there is usually...
Why did miners use to take canaries with them to the mine?
Very often, reading a fascinating book, we are surprised by how rich and fanciful the imagination of the...