ScienceDaily Environment Headlines
for Saturday, December 26, 2009
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The past matters to plants (December 26, 2009) -- It's commonly known that plants interact with each other on an everyday basis: they shade each other out or take up nutrients from the soil before neighboring plants can get them. Now, researchers have learned that plants also respond to the past. ... > full story
Low-cost temperature sensors: Tennis balls to monitor mountain snowpack (December 26, 2009) -- Dime-sized temperature sensors, first built for the refrigerated food industry, have been adapted to sense mountain microclimates. ... > full story
Sun and moon trigger deep tremors on San Andreas Fault (December 25, 2009) -- When the sun and moon are aligned with the San Andreas Fault they tug on it enough to increase the tremor rate deep underground, according to a new study. While these tremors have not yet been linked to earthquakes, the tremors are associated with increased stress on the fault and may increase the risk of future quakes. The ease with which the deep rock slips indicates it is lubricated by high-pressure water. ... > full story
Microscopic flower petal ridges flash to attract pollinating insects; scientists now know how ridges form (December 25, 2009) -- Microscopic ridges contouring the surface of flower petals might play a role in flashing that come-hither look pollinating insects can't resist. Scientists now have figured out how those form. The result could help researchers learn to enhance plants' pollination success and even could lead to high-grip nanomaterials and "green chemical" feedstocks. ... > full story
Ski runs are not created equal (December 25, 2009) -- Building a new ski run by bulldozing a mountainside, rather than only cutting its shrubs and trees, is far more damaging ecologically, yet might offer only a week's earlier start to the downhill season, says a new study. ... > full story
Hatchery-raised salmon too crowded (December 25, 2009) -- Every year, large numbers of hatchery-raised young salmonids are released into Swedish rivers and streams to compensate for losses in natural production. Butthese fish generally survive poorly in the wild. Researchers have discovered why: the young fish are too crowded at the hatchery. ... > full story
Fungal footage yields insight into plant, animal disease (December 25, 2009) -- Mold and mildew may be doomed. Researchers are closer to understanding how these and other fungi grow. That's important because some 70 percent of the major disease-causing organisms are fungi. Understanding how fungi grow can help scientists find ways to stop them. ... > full story
Genetic study reveals the origins of cavity-causing bacteria (December 24, 2009) -- Researchers have uncovered the complete genetic make-up of the cavity-causing bacterium Bifidobacterium dentium Bd1, revealing the genetic adaptations that allow this microorganism to live and cause decay in the human oral cavity. ... > full story
Canopy giants and miniature fungi among 250 new species discovered in Kew's 250th anniversary year (December 24, 2009) -- Kew botanists announce more than 250 new plant and fungi species discovered in 250th anniversary year. ... > full story
New insights into mushroom-derived drug promising for cancer treatment (December 24, 2009) -- A promising cancer drug, first discovered in a mushroom commonly used in Chinese medicine, could be made more effective thanks to researchers who have discovered how the drug works. ... > full story
Fight infection by disturbing how bacteria communicate (December 24, 2009) -- Researchers have clarified the structure of an enzyme that disturbs the communication processes between bacteria. By doing so they have laid the foundations for a new method of tackling bacterial infections such as cystic fibrosis. ... > full story
Soil studies reveal rise in antibiotic resistance (December 24, 2009) -- An unexpected rise in environmental levels of antibiotic resistance poses a potential threat to people's health. ... > full story
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