Recent comments on a post about about throwing things and throwing your shoes sparked more interest on this topic. Why do we enjoy throwing things?Even young babies enjoy throwing whatever is placed in their hands.My web search have only yielded in topics like:The International Hurling Society founded in 1993. With a circulation of about 500, HEAVE features articles on physics and medieval history alongside gag tips on “hurling armadillos.” (found in the 1995 issue of Outside Magazine)Normally I love the big contraptions that people build in their backyards. It’s great inspiration and shows us how to love life. But these blokes of Punkin Chunkin are really kinda scary. Is this our America? I can see them sayin’ “GET OFF MY LAND ER I’LL SHOOT!”Balls: The Book With Bounce This book features all things “ballsy,” such as Ball State University, Newton’s First, Second, and Third Laws of Motion, the International Hurling Society, Beach Bowling, the Pendulum of Fear, a favorite Matzo Ball recipe, the Bernouli Principle, Roger Angell on baseball, and more. Includes three dexterized super balls and one ping pong ball. Car Bowling. Whoa.But seriously, if anyone can find source material on the history of throwing, origins of throwing, or the psychology behind throwing; please share.