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Oil in Gulf of Mexico: Biologists cite need for critical data...

GAINESVILLE, Fla. -- Twenty years after biologists attempted to determine the ecological damages to marine life from the Exxon Valdez oil spill, scientists dealing with the BP disaster find themselves with the same problem: the lack of critical da...

‘Vive la difference!’ Seeing foreigners as foreign encourages local coworkers to...

"Vive la difference!" Seeing foreigners as foreign encourages local coworkers to assist them finds a Rotman study. Toronto - Whether it's a company with local and ex-pat employees, countries in need of aid, or the elderly interacting with the youn...

Electrified nano filter promises to cut costs for clean drinking water

With almost one billion people lacking access to clean, safe drinking water, scientists are reporting development and successful initial tests of an inexpensive new filtering technology that kills up to 98 percent of disease-causing bacteria in wate...

Who hasn’t had dental cavities?

A research study has for the first time revealed data about dental cavities, periodontal disease, oral treatment needs, the use of dental ...

Maslow’s pyramid gets a much needed renovation

TEMPE, Ariz. -- If you have ever felt that your children are your life's work, then you may in fact be recognizing a high-level psychological need. Caring for your children, feeding them, nurturing them, educating them and making sure they get...

Increasing biodiversity is not always best

Biodiversity worldwide may be decreasing, but at smaller scales it is increasing or at least changing in composition, suggesting the need for a dramatic shift in the current focus of ecological research. These changes may undermine the functioning of local ecosystems, according to an article in December's American Naturalist. The authors studied data collected on oceanic island land birds and plants. Records from islands are useful because they present discrete areas where additions and subtractions of species can be accurately determined. The article, "Species Invasions Exceed extinctions on Islands Worldwide: A Comparative Study of Plants and Birds," documents the fact that "land birds have experienced massive extinctions on oceanic islands, with many islands losing more than half of their native species," said Gaines. "On these same islands, however, many exotic bird species have become established, such that the total number of land bird species has remained relatively unchanged."

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