Hamilton's rule—the mathematical relation quantifying the idea that genetically related subjects are more likely to help each other, even at the expense of their own survival—has been observed in many animal species, ...
Economics & Business
Jul 11, 2022
0
535
Altruistic behavior is often seen as an exclusively human characteristic. However, behavioral research has uncovered numerous examples of altruistic behavior in the animal kingdom. In a new study, researchers at the University ...
Evolution
May 30, 2022
2
950
Genetics isn't as important as once thought for the evolution of altruistic social behavior in some organisms, according to a new insight into a decade-long debate. This is the first empirical evidence that suggests social ...
Evolution
Oct 3, 2018
1
106
(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 ...
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 ...
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 ...
Plants & Animals
Jan 11, 2016
0
1446
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 ...
Evolution
Aug 27, 2014
0
0
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 ...
Plants & Animals
Mar 26, 2014
0
0
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 ...
Mathematics
Jan 13, 2014
30
1
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.
Plants & Animals
Aug 19, 2013
0
0
