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...
History of Magical Illusions and Tricks
Magic illusions have existed for centuries. This performing art has been called magic. But it is not the...
Why pirates wore a patch over one eye
In the early 18th century, the Caribbean Sea was a veritable haven for pirates. In this lawless place,...
History of condoms – when they appeared and who invented them
The first condoms were invented over a thousand years ago. However, contraception did not only protect against pregnancy...
How to stop being a wimp and learn to say “no”
If you sometimes regret agreeing to help someone or suspect that others are exploiting your kindness, it means...
The origin of the Jolly Roger, the main symbol of pirates
Stories about pirates are popular even today. Romantic stories, shipboard adventures on the high seas, the spirit of...
16 items that are much dirtier than the toilet bowl
From toothbrushes to kitchen cutting boards, many of the items we use daily contain more bacteria than the...
The treadmill was invented to punish criminals in England
Most people involved in fitness are familiar with the concept of the treadmill. In modern parlance, a treadmill...