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Bird songs change with the landscape

DURHAM, N.C. -- When the going gets rough, the tough apparently sing slower.

As vegetation reclaimed formerly cleared land in California, Oregon and Washington over the last 35 years, male white-crowned sparrows have lowered their pitch and slowed down their singing so that their love songs would carry better through heavier foliage.

Unusually large family of green fluorescent proteins discovered in marine creature

Researchers at Scripps Institution of Oceanography at UC San Diego and the Salk Institute for Biological Studies have discovered a family of green fluorescent proteins (GFPs) in a primitive sea animal, along with new clues about the role of the proteins that has nothing to do with their famous glow.

Why do people with Down syndrome have less cancer?

Most cancers are rare in people with Down syndrome, whose overall cancer mortality is below 10 percent of that in the general population. Since they have an extra copy of chromosome 21, it's been proposed that people with Down syndrome may be getting an extra dose of one or more cancer-protective genes.

Scientists create custom 3-dimensional structures with 'DNA origami'

BOSTON--By combining the art of origami with nanotechnology, Dana-Farber Cancer Institute researchers have folded sheets of DNA into multilayered objects with dimensions thousands of times smaller than the thickness of a human hair.

MS patients more compliant with medications when managed by specialty pharmacy

ORLANDO, Fla.?May 19, 2009?Multiple sclerosis patients managed by a specialty pharmacy program were more compliant with medication, and had a lower risk of being hospitalized for their disease than those who were not managed by a specialty pharmacy program, according to a study completed by HealthCore, Inc.

ISU researcher identifies genetic pathway responsible for much of plant growth

AMES, Iowa -- Researchers at Iowa State University have discovered a previously unknown pathway in plant cells that regulates plant growth.

Yanhai Yin, an assistant professor in genetics, development and cell biology, examined signaling mechanisms of a plant hormone called brassinosteroids. The hormone controls the growth of cells.

Lifestyle program for patients with COPD is health and cost effective

ATS 2009, SAN DIEGO?Patients with moderate COPD were randomized to receive "usual care" or to undergo an interdisciplinary, community-based program (INTERCOM) that offered an intensive lifestyle moderation phase of four months, during which patients were instructed in detail to perform two 15-minute intervals of pleasurable walking or cycling, and offered instruction in other lifestyle changes

U of Minnesota researcher develops brain-scanning process that holds promise for epilepsy treatments

University of Minnesota McKnight professor and Director of Center for Neuroengineering Bin He has developed a new technique that has led to preliminary successes in noninvasive imaging of seizure foci. He's technique promises to play an important role in the treatment of epileptic seizures.

'Super-recognizers,' with extraordinary face recognition ability, never forget a face

CAMBRIDGE, Mass., May 19, 2009 ? Some people say they never forget a face, a claim now bolstered by psychologists at Harvard University who've discovered a group they call "super-recognizers": those who can easily recognize someone they met in passing, even many years later.

Dying at home: A trend that could make hospitals more efficient

Hospitals across Canada are seeking ways to free up beds. University of Alberta researcher Donna Wilson has a suggestion: people should be encouraged to die at home rather than in hospital.

She looked at statistics dating back to 1950 and has found that there's been a dramatic change in the location of death of Canadians.

Sick of the same old thing? U of Minnesota researcher finds satiation solution

Have you ever gotten sick of pizza, playing the same computer game, or had a song stuck in your head for so long you never wanted to hear it again? If you have, you may suffer from variety amnesia. In new research, Joseph Redden, professor of marketing at the University of Minnesota's Carlson School of Management, may have found a cure for your satiation blues.

Study finds higher prevalence of early menarche among survivors of childhood sexual abuse

(Boston) - African-American women who were younger at menarche, or the onset of their menstrual periods, were more likely to report a history of childhood sexual abuse, according to a new study led by a researcher at Boston University's Slone Epidemiology Center.

Self-treatment results in lower overall health care costs for COPD sufferers

Individuals suffering from chronic obstructive pulmonary disorder (COPD) can experience significant savings in healthcare costs by employing a self-treatment program with the judicious use of medications, according to the results of a new study. The self-treatment program achieves these savings by reducing the duration of flare-ups.

Identification of a key molecular pathway required for brain neural circuit formation

Montréal, May 15, 2009 - The research group of Dr. Frédéric Charron, a researcher at the Institut de recherches cliniques de Montréal (IRCM), has made a discovery which could help treat spinal cord injuries and neurodegenerative diseases. This new finding has been published in the current issue of the prestigious scientific journal Neuron. Patricia T. Yam, Sébastien D.

Study makes first connection between heart disorder and Alzheimer's disease

Researchers at Intermountain Medical Center in Salt Lake City believe that they have made a breakthrough connection between atrial fibrillation, a fairly common heart rhythm disorder, and Alzheimer's disease, the leading form of dementia among Americans.



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