All Stories by Brian Vastag
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Gene predicts sleepy performance
Variants in a circadian-rhythm gene predict how well people perform mental tasks when sleep deprived.
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Health & Medicine
Brain Fix: Stem cells supply missing enzyme
Brain stem cells implanted into sick mice restored a missing enzyme and extended life span by 70 percent.
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Health & Medicine
Emerging bug pilfers DNA
A virulent bacterium invading U.S. hospitals and the battlefields of the Middle East pilfers its genes from other bacteria.