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Ants are friendly to some trees, but not others
Tree-dwelling ants generally live in harmony with their arboreal hosts. But new research suggests that when they run out of space in their trees of choice, the ants can get destructive to neighboring trees.
6-Nov-2009
American Naturalist
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AIBS publishes Darwin articles open access
Two articles about Charles Darwin and his development of the theory of evolution by natural selection have been published in the AIBS journal BioScience and have been made open to the public in honor of the 150th anniversary of the publication of "On the Origin of Species." The articles are by Kevin Padian and James T. Costa. Together the articles dispel some common myths about Darwin the man and detail his efforts over many years to develop a theory to explain nature's diversity.
6-Nov-2009
BioScience
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Prevention experts urge modification to 2009 H1N1 guidance for health care workers
Three leading scientific organizations specializing in infectious diseases prevention issued a letter to President Obama today expressing their significant concern with current federal guidance concerning the use of personal protective equipment by health care workers in treating suspected or confirmed cases of 2009 H1N1 influenza.
6-Nov-2009
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PET imaging response a prognostic factor after thoracic radiation therapy for lung cancer
A rapid decline in metabolic activity on a PET scan after radiation therapy for non-small cell lung cancer is correlated with good local tumor control, according to a study presented by researchers at Thomas Jefferson University Hospital at the 51st ASTRO Annual Meeting.
6-Nov-2009
51st ASTRO Annual Meeting
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New finding suggests prostate biopsy is not always necessary
Researchers at Wake Forest University School of Medicine and the University of Wisconsin-Madison have discovered that some elevated prostate-specific antigen (PSA) levels in men may be caused by a hormone normally occurring in the body, and are not necessarily a predictor of the need for a prostate biopsy.
6-Nov-2009
Cancer Epidemiology, Biomarkers & Prevention
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Researchers find new way to attack inflammation in Graves' eye disease
A small group of patients with severe Graves' eye disease experienced rapid improvement of their symptoms -- and improved vision -- following treatment with the drug rituximab. Inflammation around their eyes and damage to the optic nerve were significantly reduced. The same patients had not previously responded to steroids, a common treatment for Graves' eye disease.
6-Nov-2009
Ophthalmology
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Less than 1 in 3 Toronto bystanders who witness a cardiac arrest try to help: Study
Researchers at St. Michael's Hospital working in conjunction with EMS services, paramedics and fire services across Ontario found that a bystander who attempts CPR can quadruple the survival rate to over 50 percent. But Dr. Laurie Morrison and the research team at Rescu have found only 30 percent of bystanders in Toronto are willing to help, one of the lowest rates of bystanders helping others in the developed world.
6-Nov-2009
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Possible help in fight against muscle-wasting disease
A compound already used to treat pneumonia could become a new therapy for an inherited muscular wasting disease. A five-member team of researchers from University of Oregon and the University of Rochester School of Medicine and Dentistry report that pentamidine might be adapted to counter genetic splicing defects in RNA that lead to type 1 myotonic dystrophy.
6-Nov-2009
Proceedings of the National Academy of Sciences
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NHLBI stops enrollment in study on resuscitation methods for cardiac arrest
Enrollment has ended early in a large, multi-center clinical trial comparing two distinct resuscitation strategies delivered by emergency medical service (EMS) providers to increase blood flow during cardiac arrest. The study's independent monitoring board and the National Heart, Lung, and Blood Institute, the lead sponsor of the study, stopped enrollment based on preliminary data suggesting that neither strategy significantly improved survival
6-Nov-2009
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Nitrogen loss threatens desert plant life, study shows
As the climate gets warmer, arid soils lose nitrogen as gas, reports a new Cornell study. That could lead to deserts with even less plant life than they sustain today, say the researchers.
6-Nov-2009
Science
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