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Science News for August 26, 2002


Drinking through your pelvic region?

A new study investigates blood flow in toads' pelvic skin while absorbing water, finding a significant increase in red cell velocity prior to water exposure and a seven-fold increase within one minute. The results support the initial hypothesis that increased blood flow is associated with water absorption behavior.

Of mice and men: Deaf mouse leads scientists to new human hearing loss gene

Researchers have identified a new human hearing loss gene, TMIE, in deaf mice, which may lead to the development of a screening test and therapy for families affected by inherited hearing loss. The discovery brings scientists closer to understanding the intricate choreography of genes and proteins involved in human hearing development.

SourceMichigan Medicine - University of Michigan·JournalAmerican Journal of Human Genetics·DateAug 26, 2002

Mother (nature) knows best

Researchers found that linoleic acid significantly improved vasodilatory responses and decreased systolic blood pressures in spontaneously hypertensive rats. The study also showed that linoleic acid administration improved spatial reference memory in older SHRs, suggesting a positive link between D1 receptor density and cognitive funct...

Scientists prove how geckos stick, unlock secrets to making artificial gecko glue

A team of biologists and engineers has discovered that the gecko's adhesive power depends on weak van der Waals forces and geometry, not surface chemistry. They fabricated prototype synthetic foot-hair tips that stick like real geckos' feet, opening doors to manufacturing biologically inspired adhesives with widespread applications.

SourceLewis & Clark College·JournalProceedings of the National Academy of Sciences·DateAug 26, 2002