The Naked Ape
Desmond Morris
 The Naked Ape, which was serialized in the Daily Mirror newspaper and has been translated into 23 languages, depicts human behavior as largely evolved to meet the challenges of prehistoric life as a hunter-gatherer (see nature versus nurture). The book was so named because out of 193 species of monkeys and apes only man is not covered in hair. Desmond Morris, the author, who formerly was the Curator of mammals at London Zoo, said his book was intended to popularise and demystify science. Morris made a number of claims in the book, including that not only does Homo sapiens have the largest brain of all primates but also the largest penis, and is therefore "the sexiest primate alive". He further claimed that our fleshy ear-lobes, which are unique to humans, are erogenous zones, the stimulation of which can cause orgasm in both males and females. Morris further stated that the more rounded shape of human female breasts means they are mainly a sexual signalling device rather than simply for providing milk for infants. Morris attempted to frame human behavior in the context of evolution, but his explanations failed to convince academics because they were based on a teleological (goal-oriented) understanding of evolution. For example, Morris wrote that the intense human pair bond evolved so that men who were out hunting could trust that their mates back home were not having sex with other men, and that sparse body hair evolved because the "nakedness" helped intensify pair bonding by increasing tactile pleasure.