Body & Brain

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swimming hole in Oregon

SWIMMER, BEWARE  In the summer of 1966, Science News warned readers of the dangerous bacteria behind leptospirosis lurking in recreational water holes. It, and a deadly amoeba, are still risks today. 

bottles of ketamine

BREAKDOWN  The anesthetic drug ketamine can ease depression, small studies have shown. But the benefit may come not from ketamine itself, but from one of its breakdown products, a new study suggests. 

Handguns at a gun show in Las Vegas

LOADED  Handguns on display at the Shooting, Hunting and Outdoor Trade Show in Las Vegas in January.

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