ScienceDaily Environment Headlines
for Sunday, September 11, 2011
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Groundbreaking DNA tests could trap deer poachers (September 10, 2011) -- Human DNA found on deer remains could help to track down poachers. Identifying deer poachers can be problematic, as the crimes are often committed in remote areas and are not discovered until some time after the event. ... > full story
Snakebites a public health problem in Africa (September 10, 2011) -- One and a half million people per year are poisoned by snake venom in Sub-Saharan Africa. An IRD researcher recently analysed around 100 surveys and medical reports published over the past 40 years. No large-scale study of the situation had hitherto been conducted and public health authorities had underestimated the size of the problem. This means that currently only 10% of victims are treated, owing to a shortage of antivenoms* and lack of awareness among health care practitioners. Yet the clinical complications can be very serious, even fatal. A bite from a cobra or mamba can bring on death by asphyxia --- due to respiratory paralysis --- within 6 hours of the incident. Venom injected by the ocellated carpet viper, common in the African savannah, can cause hemorrhages leading to the victim's death in a few days. This new study provides authorities with more detailed and reliable figures which should enable them to readjust their health-care services in better tune with needs. ... > full story
U.S. experiences second warmest summer on record: Texas has warmest summer on record of any state (September 10, 2011) -- The blistering heat experienced by the United States during August, as well as the June through August months, marks the second warmest summer on record, according to scientists. The persistent heat, combined with below-average precipitation across the southern U.S. during August and the three summer months, continued a record-breaking drought across the region. ... > full story
Invasive forest insects cost homeowners, taxpayers billions (September 10, 2011) -- Homeowners and taxpayers are picking up most of the tab for damages caused by invasive tree-feeding insects that are inadvertently imported along with packing materials, live plants, and other goods. That's the conclusion of a team of biologists and economists, whose research findings are reported in a new article. ... > full story
Hummingbirds all a-flutter during courtship: How fluttering feathers can generate courtship sounds (September 10, 2011) -- Though famous for their mid-air hovering during hunting, tiny hummingbirds have another trait that is literally telltale: males of some hummingbird species generate loud sounds with their tail feathers while courting females. Now, for the first time, the cause of these sounds has been identified. ... > full story
MRSA may increase mortality rate by 50 percent, study finds (September 10, 2011) -- Does the Methicillin-resistant Staphylococcus aureus, MRSA, cause more deaths in hospitals than the bacteria that are sensitive to common antibiotics? Opinions have been varied, but now a worldwide study indicates that the mortality rate can be 50 percent higher for intensive care patients infected with MRSA. ... > full story
2,000-year-old burial box could reveal location of the family of Caiaphas (September 10, 2011) -- A professor in Israel has authenticated an inscription on an ancient ossuary thought to come from a burial site at the legendary location of the battle between David and Goliath. The unusually detailed inscription could reveal the home of the family of the high priest Caiaphas prior to its exodus to Galilee. ... > full story
Using 61 years of tropical storm data, scientists uncover landfall threat probabilities (September 9, 2011) -- Scientists have found an intriguing relationship between hurricane tracks and climate variability using data from the Atlantic gathered between 1950-2010, unlocking some noteworthy results. ... > full story
Captivated by critters: Humans are wired to respond to animals (September 9, 2011) -- Some people feel compelled to pet every animal they see on the street, while others jump at the mere sight of a shark on their television. No matter what your response is to animals, it may be thanks to a specific part of your brain that is hardwired to rapidly detect creatures of the nonhuman kind. In fact, researchers report that neurons throughout the amygdala respond preferentially to images of animals. ... > full story
Deep-sea fish in deep trouble: Scientists find nearly all deep-sea fisheries unsustainable (September 9, 2011) -- A team of leading marine scientists from around the world is recommending an end to most commercial fishing in the deep sea. Instead, they recommend fishing in more productive waters nearer to consumers. ... > full story
How an 'evolutionary playground' brings plant genes together (September 9, 2011) -- Plants produce a vast array of natural products, many of which we find useful for making things such as drugs. Researchers have recently discovered that the genes producing two of these products in the model plant Arabidopsis are clustered together by an 'evolutionary playground' in the plant's genome. Knowing how these clusters assemble and are controlled will be important for improving and exploiting the production of new natural products. ... > full story
Mantis shrimp: Ocean floor critters communicate in synchronized rumbles (September 9, 2011) -- Mantis shrimp make noise with each individual seeming to have its own "voice" with which to communicate. The research team noted the "rumbles" were synchronized. ... > full story
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