Why Do Golf Balls Have Dimples?

Have you ever wondered why golf balls have dimples or why your hair goes frizzy in the rain? Scientist Wendy Sadler has the answers in her book of Weird and Wonderful facts. Broken down into user-friendly chapters like sport, going out, the great outdoors, food and drink and the downright weird, Wendy gives the scientific answers to life's intriguing questions, like Why toast always lands butter side down Why you can't get (too) lost with a satnav.