Add BrightSurf on Google Email

Science News for August 20, 1999


Return to play not determined by the numbers

A Penn State neuropsychologist emphasizes the need for individualized assessment when determining an athlete's readiness to return to play after a concussion. Reliable Change scores can provide a general guideline, but their application is limited by factors such as practice effects and difficulty in determining significant differences.

Bullying is not limited to unpopular loners, say researchers; many childrenbully each other especially in middle school

Research suggests that bullying is a continuum of behaviors, with many students engaging in both bullying and victimization. Teachers and parents can play a crucial role in supporting affected students. Effective interventions require changing school climate and tailoring approaches to address physical aggression and bullying.

SourceAmerican Psychological Association·JournalThe Journal of Early Adolescence·DateAug 20, 1999

Scientists dissect bacterial crosstalk

Researchers found a dual-purpose protein, FucR, that allows Bacteroides thetaiotaomicron to control its nutrient intake by silencing or activating genes involved in fucose metabolism. This communication mechanism may be crucial for maintaining intestinal ecosystem stability and preventing the overgrowth of harmful microbes.

SourceWashU Medicine·JournalProceedings of the National Academy of Sciences·DateAug 20, 1999