Why do we create and maintain social networks? Most people can immediately think of a few natural reasons -- we get something from the interaction, or the person is nearby and is close to us in proximity, age or gender.
But researching such theories on a large scale has never before been possible -- until digital social networks came along.
Research, funded by multiple agencies and conducted by the University of Miami's Rosenstiel School of Marine and Atmospheric Science and Leonard M. Miller School of Medicine, found that swimmers using public ocean beaches increase their risk for exposure to staph organisms, and may increase their risk for potential staph infections once they enter the water.
Berkeley — If you think you know what science is and how science works, think again.
A new University of California, Berkeley, Web site called "Understanding Science" (http://undsci.berkeley.edu/) paints an entirely new picture of what science is and how science is done, showing it to be a dynamic and creative process rather than the linear – and frequently boring – process depicted in most textbooks.
As part of a symposium on "Defining species for threatened and endangered protection" Barbara Taylor, Ph.D., NOAA Fisheries Service, will discuss the need to explicitly consider uncertainty in taxonomy in conservation decisions. Species concepts continue to be a contentious, but largely philosophical debate among academic biologists. How differences between groups of organisms are identified, however, can have real, on-the-ground policy implications for which species receive legal protection under the federal Endangered Species Act.
Ecology and conservation biologist at the University of Leicester, Dr David Harper, who has conducted research for over 25 years at Lake Naivasha in Kenya, today warned that cut-price Valentine roses exported for sale in the UK were 'bleeding that country dry'.
Dr Harper, of the University's Department of Biology where he is a senior lecturer, claimed that cheap roses grown by companies that had no concern for the environment were having a devastating effect on the ecology of Lake Naivasha- the centre of Kenya's horticultural industry.
Industry-sponsored studies on influenza vaccines are published in journals with higher rankings (impact factors) and are cited more than studies with other sponsors, but this is not because they are bigger or better, finds a study published on bmj.com today.
Tom Jefferson and colleagues at the Cochrane Vaccine Field in Italy identified and assessed 274 studies on influenza vaccines and analysed their methodological quality, prestige of the host journals (impact factor) and citation rates in the scientific literature.
CAMBRIDGE, Mass.--A team of MIT undergraduate students has invented a shock absorber that harnesses energy from small bumps in the road, generating electricity while it smoothes the ride more effectively than conventional shocks. The students hope to initially find customers among companies that operate large fleets of heavy vehicles. They have already drawn interest from the U.S. military and several truck manufacturers.
Dazzling new scientific techniques are allowing archaeologists to track the movements and menus of extinct hominids through the seasons and years as they ate their way across the African landscape, helping to illuminate the evolution of human diets.
Tringides' work succeeds in terms of uniformity and speed. The lead islands self-organize on silicon in only two to three minutes. Also, better understanding of how the lead islands grow will help researchers see if other systems show the same liquid-like behavior at low temperatures.
MINNEAPOLIS / ST. PAUL (Feb. 12, 2009) — Binge drinking is common among active-duty military personnel and is strongly associated with many health and social problems, including problems with job performance and alcohol-impaired driving, according to a new study released by the University of Minnesota and the Centers for Disease Control and Prevention (CDC).
A new report, "Communities in Crisis," issued by the University of Minnesota Institute on Race and Poverty shows that the Twin Cities has some of the nation's worst racial disparities in mortgage lending. In the Twin Cities, those hardest hit by the subprime lending and foreclosure crisis have been communities of color.
CHAMPAIGN, Ill. — As fans of talk-show host Jay Leno's man-on-the-street interviews know, Americans suffer from a national epidemic of historical and civic ignorance. But just because most Americans know more about "American Idol" than they do about American government doesn't necessarily mean it's entirely their fault.
Americans' historical apathy is also an indictment of the way history is taught in grades K-12, according to a University of Illinois professor who studies and teaches historical instruction.
The Institute of Race Relations has published a new report on the devastating impact on family life of Britain's anti-terrorist control order and detention policy. The report, entitled 'Besieged in Britain', has been written by journalist and author Victoria Brittain, co-author with Moazzam Begg of Enemy Combatant: a British Muslim's journey to Guantánamo and back.
"We have identified that the extensive pollution haze emanating from Asia may be re-shaping rainfall patterns in northern Australia but we wonder what impact natural and human-generated aerosols are having across the rest of the country," Dr Rotstayn said.
As the microfinance sector passes the 150 million customer mark, an intense debate continues over the movement toward greater commercialization of an arena once led by nonprofits. "Microfinance Meets the Market," just published in the Journal of Economic Perspectives, advances the debate, presenting new research from Jonathan Morduch of the Financial Access Initiative, housed at New York University's Wagner Graduate School of Public Service, and Robert Cull and Asli Demirgüç-Kunt of the World Bank.