Nest-building in primates Nest-building in primates Nest-building in primates refers to the behaviour of building nests by extant strepsirrhines (lemurs and lorisoids) and hominid apes (gorillas, chimpanzees, orangutans, and humans). Strepsirrhines build nests for both sleeping and also for raising families. Hominid apes build nests for sleeping at night, and in some species, for sleeping during the day. Nest-building by hominid apes is learned by infants watching the mother and others in the group, and is considered tool use rather than animal architecture. Old World monkeys and New World monkeys do not nest. It has been speculated that a major evolutionary advance in
What in the World? (game show) with the first episode airing on October 7, 1951. It ran through most of the 1950s on CBS and was picked up by educational (public) television and continued into the 1960s. In 2010, the University of Pennsylvania Museum of Archaeology and Anthropology had multidisciplinary artist Pablo Helguera create and install a 'What in the World' interactive exhibition at the museum. In addition to the exhibition the museum website offered guests a chance to participate in a modern-day form of the quiz show by featuring a picture of an object or objects and having viewers submit their guesses as to what