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Last updated on April 21, 2014 at 9:29 EDT

Latest Victoria Horner Stories

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2011-08-09 10:55:00

Scientists, wondering for years how long ago our so-called prosocial behavior evolved, have recently found that chimpanzees also have a significant favoritism for prosocial behavior, which is in contrast to previous studies that positioned chimps as reluctant altruists that led to the widely held belief that human altruism evolved in the last six million years only after humans split from apes. In a new paper published this week in the Proceedings of the National Academy of Sciences (PNAS),...

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2005-08-22 13:40:00

ATLANTA -- Humans are not alone in their desire to conform to cultural norms, according to new study findings that confirm, for the first time, chimpanzees share the same conformist tendencies. Researchers, in determining how chimpanzee communities share and maintain traditions, discovered they possess a natural motivation to copy their peers well into adulthood and say that although other species show some cultural behaviors, the level of cultural variation shown by chimpanzees is exceeded...