Add BrightSurf on Google Email

Science News for February 26, 2008


Polluted prey causes wild birds to change their tune

A new study found that male European starlings exposed to environmental pollutants develop more complex songs, which are preferred by females, and show reduced immune function. The researchers also discovered an enlargement of the brain area controlling song complexity due to estrogen exposure.

SourcePLOS·JournalPLOS ONE·DateFeb 26, 2008

Does artificial intelligence help clinicians to recognize atrophic gastritis with thyroid disease?

A study published in the World Journal of Gastroenterology found that artificial neural networks can accurately predict thyroid disease in patients with atrophic body gastritis. The analysis of 253 ABG patients revealed a high accuracy rate of 76%, correctly identifying 82% of patients with thyroid disease.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateFeb 26, 2008

From detainee facility to health advocacy center: A new role for Guantanamo?

A new article suggests that the United States government should convert Guantanamo Bay into a biomedical research institute dedicated to combating diseases of poverty. The facility could conduct research on developing new drugs and vaccines, promote clinical research, and serve as a training ground for physicians and scientists.

SourcePLOS·JournalPLOS Neglected Tropical Diseases·DateFeb 26, 2008

Facial asymmetry persists despite surgery to correct congenital deformity

A recent study led by Hasbro Children's Hospital surgeon Albert Oh found that adults with unilateral coronal synostosis, a type of craniosynostosis, still exhibit facial asymmetry years after corrective surgery. The research used three-dimensional photo technology to measure the faces of patients and found consistent rotation of the no...

SourceLifespan·JournalPlastic & Reconstructive Surgery·DateFeb 26, 2008

Teens with treatment-resistant depression more likely to improve with combination therapy

A recent study published in JAMA found that teenagers with difficult-to-treat depression who switched to another antidepressant medication and added psychotherapy showed significant improvement. The results suggest that a combination approach may be more effective than traditional treatment strategies for adolescents with treatment-res...

Breast cancer patients suffer considerable wage losses in first year after diagnosis

A study of 829 Canadian women diagnosed with early breast cancer found that they lost an average of 27% of their typical income during the first 12 months after diagnosis. The researchers also discovered that wage losses were more common among less educated women, those with more serious disease, and those with less social support.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateFeb 26, 2008

Brain activity linked to the parental instinct

Research published in PLOS ONE found that the medial orbitofrontal cortex is highly specifically active within a seventh of a second in response to infant faces but not to adult faces. This finding has potentially important clinical application in relation to postnatal depression.

SourcePLOS·JournalPLOS ONE·DateFeb 26, 2008

Centuries-old Maya Blue mystery finally solved

Researchers from Wheaton College and The Field Museum discovered how the ancient Maya created the renowned blue pigment Maya Blue. They found that the pigment was produced through a ritual combination of indigo, palygorskite, and copal incense, which was then used in sacrificial ceremonies.

SourceField Museum·JournalAntiquity·DateFeb 26, 2008

Other highlights in the Feb. 26 JNCI

A large randomized trial of personalized interventions found that two behavioral interventions did not significantly increase regular mammograms in female veterans. The study's findings support the generalizability to the US female population, which has seen a decline in mammography rates. Meanwhile, another study suggests that viral D...

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateFeb 26, 2008

Out-of-whack protein may boost Parkinson's

Researchers discovered a protein imbalance in Parkinson's disease patients and found that adding a phosphate group can reduce toxicity. The study suggests alpha-synuclein protein plays a key role in brain cell communication and may be a potential target for therapy.

SourceUniversity of Florida·JournalProceedings of the National Academy of Sciences·DateFeb 26, 2008

From delicious to death: Understanding taste

A new primer on human taste perception and biology has been published, providing a clear overview of recent advances in understanding this primal sense. The study reveals the importance of taste in both positive experiences, such as enjoying food, and critical life-dependent responses, like spitting out toxic substances.

SourceMonell Chemical Senses Center·JournalCurrent Biology·DateFeb 26, 2008

AGU journal highlights -- Feb. 26, 2008

A study on Mercury's gravity reveals a comet-like tail extending over 2.5 million kilometers away from the planet. Meanwhile, research finds that rising carbon dioxide levels are linked to increased ground-level ozone concentrations, harming lung function and respiratory systems.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateFeb 26, 2008