Reviews various current experimental attempts to induce a form of human language in chimpanzees and concludes that research results indicate that only Homo Sapiens are capable of mastering human forms of communication. (MH)

Infant abuse and neglect were investigated in five families of group-living pigtail macaques over five generations. Neglect was mostly limited to first-born and newborns; closely related rather than distantly related females were more prone to abuse; and infants with siblings previously abused were at highest risk. Results provide evidence of…

The questions investigated in this study were whether the casual Sunday-afternoon visitor followed a sequence of exhibits at the Peabody Museum of Natural History (Yale University) in the order intended, how much time he spent studying the exhibits, how often he read the labels, and especially, whether this arrangement prevented or even delayed…