New work from Carnegie's Jonathan Gagné and the American Museum of Natural History's Jacqueline Faherty identified nearly a thousand potential members and 31 confirmed members of stellar associations—stars of similar ages ...
Astronomy
Aug 28, 2018
7
126
Male vervet monkeys attack members of their own group to prevent them from escalating intergroup encounters into high-risk fights, or to de-escalate ongoing intergroup fights. In contrast, female monkeys use "the carrot and ...
Plants & Animals
Jun 6, 2018
0
23
How do decisions get made in the natural world? One possibility is that the individuals or components in biological systems collectively compute solutions to challenges they face in their environments. Consider that fish ...
Plants & Animals
Jan 17, 2018
0
806
Humans do not only form complex and long-lasting social relationships with friends, family, and romantic partners, but also keep track of threats to these relationships and protect them jealously against outsiders. We also ...
Plants & Animals
Nov 8, 2017
0
10
From an evolutionary perspective, cooperating with others can yield benefits that increase chances of survival. But what are the conditions that motivate us to cooperate? New research suggests that reciprocity - cooperation ...
Social Sciences
Sep 11, 2017
5
38
Dramatic differences in chimp societies, discovered by researchers at the University of St Andrews, reveal variations in social status and sharing food, as seen in human cultures.
Plants & Animals
Jun 23, 2017
0
38
People value their moral reputation to such an extent that they will work to behave well and cooperate with each other rather than risk being judged negatively for their actions, according to new Stanford research.
Social Sciences
Apr 7, 2017
16
374
In the world of evolutionary research, scientists studying the evolution of eusocial societies have traditionally relied on information gathered from studying terrestrial insects. A group of Columbia researchers, however, ...
Ecology
Mar 31, 2017
0
159
Previous studies of flocks, swarms, and schools suggest that animal societies may verge on a "critical" point—in other words, they are extremely sensitive and can be easily tipped into a new social regime. But exactly how ...
Plants & Animals
Feb 10, 2017
2
512
The high costs of individuals going to war is perplexing. Individuals are willing to suffer costs in order to benefit their own group, through cooperating and supporting their fellow group members and acting with hostility ...
Plants & Animals
Dec 27, 2016
1
127
