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But that morning cup of joe can leave an unwanted souvenir: coffee stains on teeth

These snakes pee as a defense mechanism when they feel threatened, and one customer experienced exactly that while trying to take her beloved pet to the vet

Food and Drug Administration Carson Smith, Battelle Memorial Institute Jack Henningfield, Pinney Associates Bartosz Koszowski, Pharmaron Inc

In other words, its what allows nicotine to be addictive in the brain. Several projects in our labs are converging on the molecular and cellular mechanisms of the changes that occur when the brain is repeatedly exposed to nicotine, adds study coauthor Henry Lester, the Bren Professor of Biology at Caltech