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Science News for October 11, 2002


Heavy menstrual periods associated with economic loss

Women with heavy menstrual periods experience significant economic loss due to missed work and lower health ratings. The study estimates that women who miss work because of heavy periods lose approximately $1692 a year.

SourceUniversity of Alberta·JournalObstetrics and Gynecology·DateOct 11, 2002

Southern 'stroke belt' study initiates nationwide study

The REGARDS study aims to identify known and unknown risk factors for stroke among African Americans, who face a higher mortality rate compared to whites. UVM's laboratory will analyze blood samples from 30,000 participants, providing a biological specimen bank for future research.

SourceUniversity of Vermont·DateOct 11, 2002

Software tool will help engineers design jet engines

The new software tool analyzes engine models and extracts information on mechanically sound designs, enabling faster prediction of jet engine performance. By using an optimization algorithm, the tool calculates worst-case vibration levels, allowing engineers to determine the reliability of their designs quickly.

SourcePurdue University·DateOct 11, 2002
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Researchers: Protein family key to helping plants adapt

Researchers at Purdue University have discovered a crucial protein family in plants that helps them adapt to stressful conditions. The AtCPL family, which controls gene activation, plays a vital role in regulating plant responses to environmental stresses such as salinity, cold, and drought.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateOct 11, 2002

Young children may cope better if they remember medical procedure details

A study found that young children who discussed medical procedures with their parents recalled the experience more accurately six months later. Talking about the procedure was linked to better emotional and physical well-being. In contrast, distraction techniques were still useful during stressful or painful stages of the procedure.

SourceCenter for Advancing Health·JournalJournal of Developmental & Behavioral Pediatrics·DateOct 11, 2002

Parents’ stress may affect behavior in children with heart defect

Researchers found that parents of children with congenital heart defects can cope with their child's illness and may even experience lower levels of stress and fewer behavioral problems. The study suggests that social support may be a key factor in alleviating stress and reducing behavior issues.

SourceCenter for Advancing Health·JournalJournal of Developmental & Behavioral Pediatrics·DateOct 11, 2002

Cocaine-exposed children subject to stereotyping

Recent research suggests that prenatal cocaine exposure does not necessarily lead to developmental delay or behavioral problems in children. In a study of 163 children, assessors incorrectly labeled many as cocaine-exposed, perpetuating stereotypes and stigma, which can undermine cognitive and behavioral development.

SourceCenter for Advancing Health·JournalJournal of Developmental & Behavioral Pediatrics·DateOct 11, 2002
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.