Just because the Food and Drug Administration recalls a supplement because it contains dangerous substances, doesn't mean the product disappears from the market.
The World Health Organization says two vaccine candidates now undergoing small-scale tests of dosage and safety in people might be ready for broader deployment in Africa by early 2015.
Galveston, Texas, officials meant well when they tested a passenger while she was still at sea. But some say airlifting a blood sample in a Coast Guard helicopter was needlessly alarming.
Host Audie Cornish talks with Drew Gronewold, a hydrologist at the National Oceanic and Atmospheric Administration, about why water levels in lakes Superior, Michigan and Huron are rising.
Many scientists believe that a diet of nuts, seeds and other tough, brittle foods shaped our faces, but a June study in Biological Reviews suggests that violence had a heavier hand in its evolution.
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