Monogamouse Prairie voles have many vasopressin receptors in the reward centres of their brains. It seems as though these are wired up in a way that causes the animal to take pleasure from monogamy.
posted by kliuless
on Jan 9, 2010 -
For most of us, science arrives in our lives packaged neatly as fact. But how did it get that way? Science is an active process of observation and investigation. Evidence: How Do We Know What We Know? [HTML version, Flash version also available]
examines that process, revealing the ways in which ideas and information become knowledge and understanding. In this case study in human origins, the folks from the Max Planck Institute for Evolutionary Anthropology
explore how scientific evidence is being used to shape our current understanding of ourselves: What makes us human—and how did we get this way?
posted by netbros
on Mar 25, 2009 -
An evolutionary basis for altruism. These findings suggest that true altruism, far from being a maladaptation, may be the key to our species' success by providing the social glue that allowed our ancestors to form strong, resilient groups.
Sharing isn't just caring, it's surviving.
posted by schroedinger
on Mar 21, 2005 -