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
The Animal in You The Talk "The Animal in You" features a personality test of nine questions that collapses to one of 45 possible personality types. After readers answer the questions about their personality and physical attributes, the test returns a number corresponding to one of the 45 animal personality types, appearing in a look-up table. The underlying mechanisms for these types of tests are trivial for modern software based Internet tests, but this is the first known example of a book-based test able to resolve over 20 categories. The test is augmented by an interdependent weighting scheme wherein each question is assigned a