News tagged with reciprocal altruism


The importance of being helpful -- Cooperative cichlids boost their own reproductive success

The importance of being helpful -- Cooperative cichlids boost their own reproductive success

Biology / Plants & Animals

created May 15, 2009 | popularity 4.5 / 5 (2) | comments 0

Subordinate individuals living within a group of vertebrates sometimes assist a more dominant pair by helping to raise the dominant pair's offspring and this has been shown to occur among subordinate female ...





Search results for reciprocal altruism


Personality predicts success in medical school, says new study

Medicine & Health / Psychology & Psychiatry

created Dec 03, 2009 | popularity 4.3 / 5 (3) | comments 0

Personality characteristics play a major role in determining who succeeds in medical school, according to new research published in the November issue of the Journal of Applied Psychology. The study, co-authored by Univer ...


Can a plant be altruistic?

Biology / Plants & Animals

created Nov 11, 2009 | popularity 4.8 / 5 (5) | comments 0

The concept of altruism has long been debated in philosophical circles, and more recently, evolutionary biologists have joined the debate. From the perspective of natural selection, altruism may have evolved because any ...


The importance of grandmothers in the lives of their grandchildren

The importance of grandmothers in the lives of their grandchildren

Biology / Evolution

created Oct 29, 2009 | popularity 4 / 5 (3) | comments 3

(PhysOrg.com) -- It is widely believed that women live long post-reproductive lives to help care for their grandchildren. According to the "Grandmother Hypothesis," post-menopausal women can increase their ...


Altruism: Genetic or Cultural Evolution?

Other Sciences / Social Sciences

created Oct 23, 2009 | popularity 3.9 / 5 (9) | comments 8

(PhysOrg.com) -- The origins of altruism, the willingness to make personal sacrifices for the benefit of others often unknown to us, has perplexed evolutionary social scientists and biologists for years.


A chimpanzee enjoys frozen fruit treats

Chimpanzees help each other on request but not voluntarily

Biology / Plants & Animals

created Oct 14, 2009 | popularity 4.2 / 5 (5) | comments 0

The evolution of altruism has long puzzled researchers and has mainly been explained previously from ultimate perspectives—I will help you now because I expect there to be some long-term benefit to me. However, ...


Self-sacrifice among strangers has more to do with nurture than nature

Self-sacrifice among strangers has more to do with nurture than nature

Other Sciences / Social Sciences

created Oct 12, 2009 | popularity 4.5 / 5 (4) | comments 5

(PhysOrg.com) -- Socially learned behavior and belief are much better candidates than genetics to explain the self-sacrificing behavior we see among strangers in societies, from soldiers to blood donors to ...


For economic success, channel your inner bonobo

For economic success, channel your inner bonobo

Biology / Plants & Animals

created Oct 12, 2009 | popularity 5 / 5 (2) | comments 0

Psychology Professor Marc Hauser dispels misconceptions about human and ape behavior with regard to patience, impulsiveness, and economic interactions in Harvard Museum of Natural History talk.


Social Inclusion of Seniors: Creating Supportive Housing Policies

Other Sciences / Social Sciences

created Sep 23, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A new study published by The University of Western Ontario reveals that many older seniors (aged 85+) actively participate in activities that allow them to continue living in their homes.


Medical ethics experts identify, address key issues in H1N1 pandemic

Medicine & Health / Diseases

created Sep 23, 2009 | popularity not rated yet | comments 1

The anticipated onset of a second wave of the H1N1 influenza pandemic could present a host of thorny medical ethics issues best considered well in advance, according to the University of Toronto Joint Centre for Bioethics, ...


Gene screen reveals 2-way communication between common biological pathways and body's daily clock

Genes controlling insulin can alter timing of biological clock

Biology / Biotechnology

created Sep 17, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- Many of the genes that regulate insulin also alter the timing of the circadian clock, a new study has found.



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