Wild Pacific salmon catches down 80%, according to Indigenous elders
Wild Pacific salmon catches are one sixth what they were 50–70 years ago, Indigenous elders report.
Ecology
May 13, 2022
0
14
News tagged with reciprocity
Study assesses cooperation networks in the Utah State Legislature
Do politicians act like humans? Many jokes suggest otherwise, but the question is real.
Social Sciences
Feb 17, 2022
0
13
Dogs may not return their owners' good deeds
Domestic dogs show many adaptations to living closely with humans, but they do not seem to reciprocate food-giving according to a study, publishing July 14 in the open-access journal PLOS ONE, led by Jim McGetrick and colleagues ...
Plants & Animals
Jul 14, 2021
1
19
The emergence of cooperation: Team mathematically describes importance of cooperation and reputation
Cooperation as a successful strategy has evolved in both nature and human society, but understanding its emergence can be a difficult task. Researchers have to abstract interactions between individuals into mathematical formulas ...
Mathematics
May 13, 2021
0
150
Researchers develop new way to break reciprocity law
An international research team lead by Aalto University has found a new and simple route to break the reciprocity law in the electromagnetic world, by changing a material's property periodically in time. The breakthrough ...
General Physics
Dec 23, 2020
0
1193
Is not helping a bad person good or bad?
A research team led by Hitoshi Yamamoto from Rissho University has analyzed how the social norm of indirect reciprocity is adopted in human society and revealed results that contradict previous theoretical predictions. The ...
Social Sciences
Jul 1, 2020
0
1
Smelling a rat: How rodents sniff out fake beggars
Like people, rats cooperate with one another and give food to those in need, but how can they be sure that other rats are being truthful about how hungry they are?
Plants & Animals
Mar 24, 2020
2
252
In acoustic waves, engineers break reciprocity with 'spacetime-varying metamaterials'
Reciprocity isn't always a good thing.
General Physics
Feb 18, 2020
0
103
How important is reciprocity for climate policy?
The Paris Agreement relies on voluntary and therefore weak commitments. But contrary to popular belief, if some countries "free-ride", this does not undermine the commitment of others, writes Thomas Bernauer.
Environment
Mar 7, 2019
0
6
Study shows gender preferences differ more in countries that are more affluent and gender equal
A pair of researchers, one with the University of Bonn, the other the University of California, has found evidence that shows gender preferences differ more in countries that are more affluent and gender equal than in countries ...
