Tag: "reciprocity" at biology news
Pay up, you're being watched
...e them as fake, he says. He believes that strong reciprocity
is an illusion because even though volunteers are told they will never meet the other players again, our brains are not geared up for that degree of anonymity because humans evolved in small groups. Altruism expert Daniel Fessler at the University of...
Mule deer moms rescue other fawns
... explanations that parental care, kin selection or reciprocity
play a part in the defence of fawns other than their own. But while the study's findings seem to point to mule deer as superior mothers, the motivation for looking out for other fawns is likely based not on altruism but on simple survival, said Lingl...
Generalized reciprocity in rats
...uism, scientists had found evidence only of direct reciprocity
(if you help me, Ill help you) in non-human animals in previous studies. Direct reciprocity
is intuitively appealing, yet requires that animals interact repeatedly with the same individuals an...