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Cities incite thunderstorms, researchers find
08-09-2007 · EurekAlert!Summer thunderstorms become much more fierce when they collide with a city than they would otherwise be in the open countryside, according to research led by Princeton engineers. While thunderstorms are thought of as being purely forces of nature, the Princeton research suggests that man's built environment can radically alter a storm's life cycle.
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- Ecologists must join humanity's rush to the cities
02-07-2008 · EurekAlert!
Cities are responsible for so many of the sustainability challenges faced by our urbanizing world, but urban ecologists can help unlock the benefits of city living, say researchers in today's issue of Science.
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- Cities change the songs of birds
12-04-2006 · EurekAlert!
By studying the songs of a bird species that has succeeded in adapting to urban life, researchers have gained insight into the kinds of environmental pressures that influence where particular songbirds thrive, and the specific attributes of city birds that allow them to adjust to noisy urban environments. The findings, reported by Hans Slabbekoorn and Ardie den Boer-Visser of Leiden University, appear in the December 5 issue of Current Biology.
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- Death rates will rise because of global warming
07-02-2007 · EurekAlert!
Global warming will cause more deaths in summer because of higher temperatures but these will not be offset by fewer deaths in milder winters finds an analysis published online ahead of print in Occupational and Environment Medicine. The Harvard researchers analysed city-specific weather data related to the deaths of more than 6.5 million people in 50 US cities between 1989 and 2000.
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- Bird song study gives clues to human stuttering
06-11-2007 · EurekAlert!
Researchers at the Methodist Neurological Institute in Houston and Weill Cornell Medical College in New York City used functional MRI to determine that songbirds have a pronounced right-brain response to the sound of songs, establishing a foundational study for future research on songbird models of speech disorders such as stuttering, as reported today in Proceedings of the National Academy of Sciences.
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- Researcher finds negative effects of colonization on slash-and-burn farming method in western Borneo
04-24-2007 · EurekAlert!
A researcher at the University of Missouri-Columbia has examined the slash-and-burn farming method traditionally used by the Iban, a widespread indigenous population that lives in northwestern Borneo in Southeast Asia. Researchers have long argued about the environmental effects of this type of agriculture.
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- OHSU Cancer Institute researcher identifies protein marker for prostate cancer survival
06-01-2007 · EurekAlert!
Oregon Health & Science University Cancer Institute researchers have identified a protein that is a strong indicator of survival for men with advanced prostate cancer. The C-reactive protein, also known as CRP, is a special type of protein produced by the liver that is elevated in the presence of inflammation.
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- UI researcher challenges explanations of children's 'word spurt'
08-02-2007 · EurekAlert!
Researchers have long known that at about 18 months children experience a vocabulary explosion, suddenly learning words at a much faster rate. They have theorized that complex mechanisms are behind the phenomenon. But new research by a University of Iowa professor suggests far simpler mechanisms may be at play: word repetition, variations in the difficulty of words, and the fact that children are learning multiple words at once.
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- Enzyme synergy shown to perpetuate sleeping sickness
10-18-2007 · EurekAlert!
The pathogenesis of the parasite African trypanosome (T. brucei) has been linked to a key protein switch, detailed in a new study by researchers at the University of Iowa and the Veterans Affairs Medical Center of Iowa City, led by Dr. John Donelson. The study, published in PLoS Pathogens, explains how two enzymes enable the cell's surface to remodel itself in order to thwart the immune system of carrier tsetse flies.
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- OHSU Cancer Institute, VA researchers find way to identify which men need a second biopsy
06-02-2007 · EurekAlert!
A researcher in the Oregon Health & Science University Cancer Institute and Portland Veterans Affairs Medical Center has found a way to identify which men need a second prostate biopsy because they may be harboring life-threatening prostate cancer even though they were given a clean bill of health after their first biopsy.
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- Identified mechanism in the malaria parasite to help it adapt to infected individuals
08-02-2007 · EurekAlert!
Plasmodium falciparum is responsible for the most severe forms of human malaria. Invasion of red blood cells is an essential step of the complex life cycle of this parasite. Alfred Cortйs, IRB Barcelona researcher, together with researchers from NIMR, have discovered that the parasite has the ability to switch on and off the expression of some of the proteins it uses to enter its victim's red blood cells.
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