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the
psychologist vol 22 no 11
november 2009
Parasites, minds and cultures Could the most human of qualities owe their existence to tiny, mindless organisms? Justin Park and Mark Schaller investigate, as part of a special issue marking this year’s Darwin anniversaries
Incorporating Psychologist Appointments £5 or free to members of The British Psychological Society
forum 906 news 912 careers 970 looking back 988
developing human brain functions 924 beyond ‘just-so stories’ 930 class through the evolutionary lens 934 the peacock’s tail of altruism 938