For spider monkeys, social grooming comes with a cost
Tuesday, May 19, 2015 - 16:00
in Psychology & Sociology
Social grooming, or helping others to stay clean and free of lice and other ecto-parasites, has long been associated with hygiene and good health in wild primates. In the process of picking out ecto-parasites, however, the groomers may be picking up internal ones, a new study finds.