How was a necktie invented?

The necktie (or tie) is a long piece of cloth worn around the neck, resting under the shirt collar and knotted at the throat. Regardless of the fact that the definition of the necktie in most dictionaries states “a large band of fabric worn around the neck under the collar and tied in front with the ends hanging down as a decoration”, its history says a lot more. Men have always found it... 

Do women blink twice as much as men?

Some people claim that women blink twice as much as men do. They explain it by saying that women wear mascara, and some peaces drop into their eyes, so they blink. But scientifically it’s a bit different. Scientists say that it doesn’t matter if you are a man or a woman. They say that everything depends on a person. You can do some tests by a group of men and women, but what say these results?...