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Science News for May 12, 2012


Sundown syndrome-like symptoms in fruit flies may be due to high dopamine levels

Researchers at the University of Pennsylvania discovered a mechanism involving dopamine that switches fruit fly behavior from diurnal to nocturnal, parallelled by human sundown syndrome. The team found that increased night-time activity is associated with elevated dopamine signaling in flies.

SourceUniversity of Pennsylvania School of Medicine·JournalGenes & Development·DateMay 12, 2012

Steelhead trout lose out when water is low in wine country

A new study reveals that juvenile steelhead trout are more likely to die when water levels are low in California's wine country. The researchers found that the amount of vineyard acreage upstream is linked to higher death rates, with only 30% survival rate in dry summer seasons.

SourceUniversity of California - Berkeley·JournalTransactions of the American Fisheries Society·DateMay 12, 2012