Why Rattlesnakes Rattle

A follow-up to Helterbran's popular Why Flamingos Are Pink: …and 250 other Things You Should Know, this entertaining volume identifies more of the surprising explanations for the facts, tales, and lore associated with day-to-day living and the world around us. Organized into seven categories, this book tells you why birds perched on power lines aren't electrocuted; the origins of such expressions as "swan song" and "willy nilly;" and the science behind such phenomena as ball lightning, blue glac