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Tag: "social" at biology news

Getting an evolutionary handle on life after reproduction

...s, rear dependent young and operate within complex social groups, studies have found no evidence of a granny effect, and females mostly live just long enough to care for their last born. For nonsocial animals that spawn independent young, extended lifespan is associated with good nutrition and the absence o...

The first laugh: New study posits evolutionary origins of two distinct types of laughter

...strategic. "Laughter that occurs during everyday social interaction in response to banal comments and humo...llion years ago, laughter arising from non-serious social incongruity promoted community play during fleeting periods of safety. Such non-serious social inco...

Once-dreaded leprosy 'replaced' by tuberculosis, say researchers

...deprivation that the lepers were forced to live as social outcasts. Ultimately, the scientists theorize, so many of the lepers died of tuberculosis until there were too few of them to further spread leprosy. TB, meanwhile, was increasingly on the rise as people in the Middle Ages migrated to urban centers,...

Sudden change in social status triggers genetic response in male fish, study finds

...dinate male perceives an opportunity to advance in social status and responds both behaviorally and by turni...g offers the first direct evidence that changes in social status also trigger cellular and molecular changes in the brain, he adds, which could have significa...

Getting close to nature is good for you

...nd the individual. Such projects can help overcome social isolation, develop skills, and improve employment prospects, as well as provide the known benefits associated with exercise. Although initial research has been promising, the UK needs robust health impact assessments of wildlife projects to determin...

Chernobyl: The true scale of the accident

...kraine and Russia might address major economic and social problems stemming from the accident. Members of th...ffected areas. * Ambitious rehabilitation and social benefit programs started by the former Soviet Union, and continued by Belarus, Russia and Ukraine, n...

UQ scientists break new ground in fight against infection & chronic disease

...inflammatory disorders are a substantial burden in social and economic terms for the Australian community. Arthritis alone afflicts 3.4 million Australians and the financial costs were more than $19.25 billion in 2004. "This discovery provides new and exciting avenues for drug development," Professor St...

Prenatal exposure to famine increases risk of schizophrenia

...ions, and delusions, as well a as deterioration of social functioning and social withdrawal, according to background information in the article. It is distributed worldwide with a l...

Complex gene interactions account for autism risk

...chiatry, autism is characterized by impairments in social interaction and communication and restricted and repetitive patterns of interest or behavior. While many previous studies have identified possible genes with links to autism, there remains no single gene with a consistent connection to the disease, ...

Asian immigrants in NYC not receiving HIV education at religious institutions

..., this role is especially important because of the social stigma surrounding HIV and the potentially dire health consequences of not understanding how to prevent transmission of the virus." ...

Preventing a pandemic: Study suggests strategies for containing a flu outbreak

...n the Thai 2000 census and a previous study of the social networks in the Nang Rong District in rural Thailand. With this information, they simulated a population of 500,000 in which individuals mixed in a variety of settings, including households, household clusters, preschool groups, schools, workplaces,...

Scientists and engineers apply nature's design to human problems

...lutions to fundamental environmental, economic and social challenges. Its long-term goal is to engage leader...derstand the root causes of the region's economic, social and environmental problems, according to its Website ( http://www.inspiringfutures.org/bioneers/work...

Discovery that bacterium is phosphate gourmet key clue to what makes it most social of bacteria

New research into one of the world's most social bacteria - Myxococcus xanthus, has discovered that...ial" of bacteria. Myxococcus xanthus is amazingly social and co-operative for a bacterium. It "hunts" as a pack, it makes a collective decision with other M....

Women feel more pain than men, research shows

...ifferences, it is becoming increasingly clear that social and psychological factors are also important," said Dr Keogh. One example of this is the different strategies men and women use to cope with pain. Whilst women tend to focus on the emotional aspects of pain they experience, men tend to focus on the ...

New partnership to clear landmines for African Elephants

...in the Luiana reserve, thereby contributing toward social and environmental well-being in the region. ...

Environment, not genes, key in family relationships

...and success, depressive symptoms, sociability, and social responsibility. The family relationship variables ... positivity or negativity in family relationships, social responsibility, antisocial behavior, and depressive symptoms. Independence and peer relationships. ...

Scientists create digital bacteria to forge advances in biomedical research

...h researchers developed to simulate stock markets, social behavior and warfare. Argonne's Macal and North contributed their agent-based software expertise to the project. Macal and North operate Argonne's Center for Adaptive Systems Simulation. Cluzel's laboratory began its collaboration with Macal and Nor...

Computers close in on protein structure prediction

...de the protein. The computer also accounts for the social habits of the 20 amino acids; some want to be close to each other and others like their distance. In stage two, Rosetta replaces the fuzzy picture of the side chains with detailed, physically realistic models with all the atoms represented. From the...

Scientists uncover new clues about brain function in human behavior

...tically controlled brain mechanism responsible for social behavior in humans--one of the most important but ...ome, a rare disorder that causes unique changes in social behavior. This comparison enabled the researchers to both define a brain circuit for social function...

Research suggests fitness of Florida panthers improved by limited breeding with Texas animals

...ange for Florida panthers could raise several such social issues. While female hybrids seem to be surviving considerably better than their purebred counterparts, "hybrid males have shorter lives than purebreds," the paper also reports. The authors suspect many of the males are killed by older purebred male...

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