Science Journal: Caveman crooners may have aided early human life Friday, March 31, 2006 By Sharon Begley, The Wall Street Journal In Steven Mithen's imagination, the small band of Neanderthals gathered 50,000 years ago around the caves of Le Moustier, in what is now the Dordogne region of France, were butchering carcasses, scraping skins, shaping ax heads -- and singing. One of the fur-clad men started it, a rhythmic sound with rising and falling pitch, and others picked it up, indicating their willingness to cooperate both in the moment and in the future, when the group would have to hunt...