Brain tweak lets sleep-deprived flies stay sharp

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Staying awake slows down our brains, scientists have long recognized. Mental performance is at its peak after sleep but inevitably trends downward throughout the day, and sleep deprivation only worsens these effects.


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All News summaries for July 31, 2008

Large population of endangered dolphins found off Bangladesh

Oct 11, 2008 | User rating: not rated yet
The world's largest population of vulnerable Irrawaddy dolphins -- famed as aquarium attractions -- has been found in Bangladesh's waters, according to a five-year wildlife study.

Endangered Miss. frogs get a break in the weather

Oct 11, 2008 | User rating: not rated yet
(AP) -- Pick up a Mississippi gopher frog and it covers its eyes with its forefeet, like someone afraid to see what's coming next. And for at least a decade, it's had a good reason not to look.

Nobel Prize winner Dr. George Palade dies at 95

Oct 11, 2008 | User rating: not rated yet
(AP) -- Dr. George Palade, who won a Nobel Prize in 1974 for his work isolating and identifying cell structure and helped create one of the leading cell biology programs in the nation at the University of ...

Lost manatee headed to Fla. after Mass. rescue

Oct 11, 2008 | User rating: not rated yet
(AP) -- A wayward manatee is headed home to Florida after being pulled from frigid Cape Cod waters in an early morning rescue.

Landmark study unlocks stem cell, DNA secrets to speed therapies

Oct 10, 2008 | User rating: not rated yet
In a groundbreaking study led by an eminent molecular biologist at Florida State University, researchers have discovered that as embryonic stem cells turn into different cell types, there are dramatic corresponding ...
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