Microbes may encourage altruistic behavior
Jan 30, 2017 feature
(Phys.org)—Why do people commonly go out of their way to do something nice for another person, even when it comes at a cost to themselves—and how could such altruistic behavior have evolved? The answer may not just be ...
Humpback whales saving other species from orcas found to be common and maybe altruistic
Aug 10, 2016 report
A team of researchers led by Robert Pitman, a marine ecologist with NOOA Fisheries' Southwest Fisheries Science Center, has found evidence that suggests humpback whales may engage in altruistic behavior during encounters ...
Conflict among honey bee genes supports theory of altruism
Jan 11, 2016
Using modern genetic approaches, a team of researchers has provided strong support for the long-standing, but hotly debated, evolutionary theory of kin selection, which suggests that altruistic behavior occurs as a way to ...
The roots of human altruism
Aug 27, 2014
Scientists have long been searching for the factor that determines why humans often behave so selflessly. It was known that humans share this tendency with species of small Latin American primates of the family Callitrichidae ...
The altruistic side of aggressive greed: Study explains new twist in group cooperation
Mar 26, 2014
In many group-living species, high-rank individuals bully their group-mates to get what they want, but their contribution is key to success in conflict with other groups, according to a study that sheds new light on the evolutionary ...
Rethinking the roots of altruism
Jan 13, 2014
For decades, researchers working to understand how altruistic behavior evolved have relied on a concept known as inclusive fitness, which holds that organisms receive an evolutionary benefit—and are able to pass on their ...
Altruism or manipulated helping? Altruism may have origins in manipulation
Aug 19, 2013
Manipulation is often thought of as morally repugnant, but it might be responsible for the evolutionary origins of some helpful or altruistic behavior, according to a new study.
Secret Santas: Anonymous generosity increases due to time of year, various motivations
Dec 14, 2012
A family gets a surprise phone call informing them that their holiday gifts on layaway have been paid for a by a stranger. A passerby discreetly slips $1,000 into a donation bucket among the $1 bills. Instances of anonymous ...
Planet of the Apes: Survival of the self-promoters
Jan 17, 2012
We humans can be a cocky species - so much so that a realistic self-image can be seen as a symptom of trouble.
Robots learn to share, validating Hamilton's rule (w/ video)
May 03, 2011
Using simple robots to simulate genetic evolution over hundreds of generations, Swiss scientists provide quantitative proof of kin selection and shed light on one of the most enduring puzzles in biology: Why do most social ...