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Altruism in Biological News

Researchers explore altruism's unexpected ally -- selfishness

... but groups of altruists can robustly out-compete more selfish groups. altruism can therefore evolve by natural selection as long as its collective advantage outweighs its more local disadvantage. All evolutionary theories of altruism reflect this basic conflict between levels of selection. It might seem ...

Pitt team first to profile genes in acutely ill idiopathic pulmonary fibrosis patients

... on the development of novel therapeutics that will target the molecular pathways identified by our basic science laboratories." If not for the altruism of IPF patients, the research and its promising results would not have been possible, Dr. Kaminski noted. The IPF tissue samples used for the study ...

The neurobiology of musicality related to the intrinsic attachment behavior?

... that music perception and creativity in music are linked to the same phenotypic spectrum of human cognitive social skills, like human bonding and altruism both associated with AVPR1A. We have shown for the first time in the molecular level that music perception has an attachment creating impact, says ...

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

... subordinates' broods and subordinates' alloparental care for dominants' broods. The results of the PLoS ONE study suggest that while reciprocal altruism doesn't occur, the subordinate cichlids did receive reciprocal benefits in exchange for the care they provided for the offspring of dominant pairsa ...

What is the origin of ethics?

... for his research on the relation between economics and evolutionary biology, with special attention to the economics of the family, the evolution of altruism and rivalry between siblings, parent-offspring conflicts, marriage institutions, inheritance, and care for the aged. Link to Prof. Bergstrom's ...

New discovery proves 'selfish gene' exists

... male drones. Because the 'selfish' gene controlling worker sterility has never been isolated by scientists, the understanding of how reproductive altruism can evolve has been entirely theoretical until now. Working with Peter Oxley of the University of Sydney in Australia, Western biology professor ...

Group selection, a theory whose time has come...again

... all levels of the biological hierarchy, from genes to ecosystems. They conclude with a rallying cry that paraphrases Rabbi Hillel: Selfishness beats altruism within groups. Altruistic groups beat selfish groups. Everything else is commentary, Wilson and Wilson free sociobiology to once again pursue all ...

Humans and monkeys share Machiavellian intelligence

... on the lower end of the hierarchy, a Machiavellian strategy that a mid-ranking monkey can use when under attack from a higher-ranking one. altruism is rare and, in most cases, only a form of nepotistic behavior. Mothers help their daughters achieve a status similar to their own and to maintain it ...

Why we give: New study finds evidence of generosity among our early human ancestors

... will be critical for resolving heated debates about the function of altruism among hunter-gatherers. Strict forms of contingency require ... of conditional cooperation in humans. "Without some kind of payback, altruism can be a very costly endeavor in small-scale societies subsisting on wild ...

Plants recognize their siblings, biologists discover

... a cue for kin recognition.” Though they lack cognition and memory, the study shows plants are capable of complex social behaviours such as altruism towards relatives, says Dudley. Like humans, the most interesting behaviours occur beneath the surface. Dudley and her student, Amanda File, ...

Mule deer moms rescue other fawns

... But while the study's findings seem to point to mule deer as superior mothers, the motivation for looking out for other fawns is likely based not on altruism but on simple survival, said Lingle. "Having a rigid and aggressive response to the simple sound of a fawn distress call may ensure effective ...

Nice guys do finish first in lizards' evolutionary race

... so your buddy can get some tail may seem like a rough life, but it not only works for some lizards, it also gives a fascinating peek into hard-wired altruism in evolutionary biology. Side-blotched lizards spend their year on earth looking to reproduce, and their strategies have lessons about evolution. ...

Johns Hopkins flu expert calls for mandatory vaccination of health care workers

... shot is that it benefits patients, not themselves. However, in the editorial, Perl concludes that, "'Shifting the message from self-interest to altruism in protecting patients may improve vaccination rates, but it won't fix the problem. From a hospital policy standpoint, this is a real patient safety ...
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(Date:4/18/2014)... wildlife while feeding a world population predicted to ... holistic approach to conservation that considers human-altered landscapes ... Wildlife and the natural habitat that supports it ... world where at least three-quarters of the land ... rest is vulnerable to human-caused impacts such as ...
(Date:4/18/2014)... sprout as soon as they,re planted may be good news ... careful. In the wild, a plant whose seeds sprouted at ... More than just an insurance policy against late frosts or ... long-term advantages too: Plants whose seeds put off sprouting ... finds in a team of researchers working at the National ...
(Date:4/17/2014)... COLUMBIA, Mo. April 17 In the most densely ... States, forests reflect two centuries of human needs, values ... logging and clearing forests for agriculture and development, have ... today, a U.S. Forest Service study reports. , The ... forest conditions and management needs in the Northern United ...
Breaking Biology News(10 mins):Stanford researchers rethink 'natural' habitat for wildlife 2Stanford researchers rethink 'natural' habitat for wildlife 3Stanford researchers rethink 'natural' habitat for wildlife 4Plants with dormant seeds give rise to more species 2Five anthropogenic factors that will radically alter northern forests in 50 years 2Five anthropogenic factors that will radically alter northern forests in 50 years 3
(Date:4/17/2014)... military personnel who served in Iraq and Afghanistan ... injury (TBI) were compared to military personnel without ... Differences in measures of overall disability, cognitive function, ... are reported in an article in Journal ... Ann Liebert, Inc., publishers. The article is available ...
(Date:4/17/2014)... cause of neuronal death in Parkinson,s disease is still ... be mistaken for foreign invaders and killed by the ... diseases like type I diabetes, celiac disease, and multiple ... April 16, 2014, in Nature Communications . , ... Parkinson,s disease; but if true, it could lead to ...
(Date:4/17/2014)... of Medicine (BUSM) have discovered that the anti-seizure ... model. The findings, reported in the American ... lead to more effective treatments for alcoholism. , ... leading causes of illness and death in the ... limiting the productivity of workers and necessitating huge ...
(Date:4/17/2014)... has the potential to ward off depression among retirees, ... published online in The Journals of Gerontology, ... In the article " Internet Use and Depression Among ... Analysis ," the authors report that Internet use reduced ... among their study sample. , Late-life depression affects ...
(Date:4/17/2014)... ribbon representing a disease. A pink ribbon is well known ... think of with lung cancer?, Although white has been identified ... black may be the only one they think fits., A ... smokers between the ages of 51 to 79 years old, ... these patients, the emotional toll it can have and how ...
Breaking Medicine News(10 mins):Health News:Long-term effects of battle-related 'blast plus impact' concussive TBI in US military 2Health News:Is Parkinson's an autoimmune disease? 2Health News:BUSM researchers find anti-seizure drug may reduce alcohol consumption 2Health News:Internet use may cut retirees' depression 2Health News:Unraveling the 'black ribbon' around lung cancer 2
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