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Science News for August 7, 2001


Study offers relief for first-time blood donors

A study by Ohio University health psychologists found that first-time blood donors who used an audiovisual program were less likely to experience symptoms of feeling faint. The program, which included 3D visuals and upbeat music, was more effective in distracting blunters from their stressors than monitors who received no distraction.

SourceOhio University·JournalPsychosomatic Medicine·DateAug 7, 2001

Survival of quaking aspen groves a complex problem

A study by Penn State researchers found that quaking aspen groves have declined by 30% in the last 50 years due to environmental changes such as fire suppression, livestock grazing, and increased herbivore populations. The unique history of the Lake Tahoe Basin also plays a role in this decline.

Teamwork characterizes surgical teams that are faster learners of new procedures, suggests O.R. study

A recent study suggests that surgical teams with better teamwork learn new procedures significantly faster than those without. The research found that hospitals with more cumulative experience and better team communication had faster learning curves, while those with less experienced teams took longer to master new procedures.