Why do house flies go around and around in circles in the middle of the room? Does the wearing of dark glasses when you don't need to wear them have an effect on vision? What is the white often seen in bird poo?
4 Dec 2017
Why do house flies go around and around in circles in the middle of the room? Does the wearing of dark glasses when you don't need to wear them have an effect on vision? What is the white often seen in bird poo?