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Science News Archive 2003 - Page 21


Page 21 of 108

Childhood obesity? School food service personnel say NIMBY

A study by Penn State researchers found that school service personnel who participated in a Project PA workshop recognized the importance of nutrition education and healthy eating behaviors in addressing childhood obesity. The participants identified parental attitudes, peer pressure, and media as barriers to students' healthful eating...

Straight from the heart

A Canadian study compared outcomes for patients with elevated cardiac markers who received a home health nurse-delivered disease management program versus those without. The results showed significant reductions in hospitalization days for congestive heart failure and angina. A commentary highlighted the need for a national program to ...

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateOct 27, 2003

Suffer the children

A Canadian study found that 96% of substantiated child abuse cases did not result in serious physical harm, highlighting the need for a reevaluation of investigative procedures and risk assessments. The study's findings also raise concerns about the emphasis on rapid intervention over longer-term service needs.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateOct 27, 2003

Pollutant-eating microbe could speed gasworks cleanup

A newly discovered bacterium, Polaromonas naphthalenivorans strain CJ2, has been found to break down naphthalene and other toxins in coal tar contamination. The discovery was made using a new technique called stable isotopic probing (SIP), which allowed researchers to identify the microbe's DNA signature.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateOct 27, 2003

A tale of mice and men and how brains develop

A new study has identified a crucial connection between genes involved in brain development and human diseases such as epilepsy, mental retardation, and schizophrenia. The findings have significant implications for understanding the causes of these conditions and potentially leading to new treatments.

SourceBaylor College of Medicine·JournalNature Genetics·DateOct 26, 2003

Bad Mileage: 98 tons of plants per gallon

A study by ecologist Jeff Dukes calculates that 98 tons of plants per gallon are needed to produce modern fossil fuels. The research found that the amount of carbon in ancient plant matter required to form coal, oil, and gas is equivalent to all the plant growth on Earth over 13,300 years.

SourceUniversity of Utah·JournalClimatic Change·DateOct 26, 2003

Study identifies risk factors for refractive surgery malpractice lawsuits and claims

A study published by the American Academy of Ophthalmology identified high patient volume as the greatest risk factor for increased chances of incurring malpractice claims or lawsuits. Other risk factors included prior claims or lawsuits, male surgeon gender, advertising, time spent with patients, and co-management with optometrists.

SourceAmerican Academy of Ophthalmology·JournalOphthalmology·DateOct 23, 2003

Poor prognosis linked to BRCA1 mutations

Women with BRCA1 mutations have a poorer prognosis for breast cancer compared to those without the mutation. However, chemotherapy may improve survival rates for these patients. The study suggests that physicians should consider BRCA1 mutation status when making treatment decisions.

SourceBMC (BioMed Central)·JournalBreast Cancer Research·DateOct 23, 2003

Amber waves of grain on a mission to Mars

Researchers at Lawrence Berkeley National Laboratory and NASA have developed a process to convert inedible wheat grass into activated carbon, absorbing nitrogen oxides and producing fertilizer. This technology could support a crew of six astronauts on a three-year Mars mission by recycling waste and conserving materials.

SourceAmerican Chemical Society·JournalEnergy & Fuels·DateOct 23, 2003

Laser therapy offers hope for acne sufferers

A new study published in The Lancet found that pulse-dye laser therapy (PDL) was effective in reducing acne symptoms by half at three months. PDL treatment was also well-tolerated and showed the largest effect within four weeks, suggesting it could be a promising alternative to daily conventional pharmacological treatments.

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 23, 2003

Green mineral indicates red planet is dry

The USGS has discovered a vast area of green mineral olivine on Mars, suggesting that the planet's surface has been dry and free from recent water activity. This finding is significant as it implies that the Martian surface has not experienced significant chemical weathering due to liquid water.

SourceU.S. Geological Survey·JournalScience·DateOct 23, 2003

Experimental hantavirus vaccine elicits strong antibody response in primates

Researchers at the US Army Medical Research Institute of Infectious Diseases have developed a hantavirus vaccine that elicited a potent neutralizing antibody response in rhesus macaques. The vaccine, which uses a naked DNA approach, also provided protection against hamster infection when administered after exposure.

November's Ophthalmology journal

The American Academy of Ophthalmology has published several new studies on various eye conditions, including amblyopia, glaucoma, and corneal surgery. Researchers have explored the effectiveness of patching regimens for treating severe amblyopia in children and found promising results.

SourceAmerican Academy of Ophthalmology·JournalOphthalmology·DateOct 22, 2003