The Contagious Yawn
Why, when we see somebody yawn the contagious yawn, we yawn to? The Contagious Yawn. Look they all have it. The word yawn comes from Old English 'Ginian' and 'Gionian' meaning to "Open the mouth wide, gape," which in turn comes from the Proto-Germanic base gin-. I won't take it personal if this article makes you a bit sleepy. Just reading about [...]