Body & Brain

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gas-sensing capsule

CAPPED  This 3.5-by-1.2-centimeter capsule can be swallowed to measure gut gases and send its findings to a smartphone. Researchers in Australia tested the device in pigs fed different amounts of fiber.

soccer players

HEADS UP  The brain needs time to recover between brain injuries, a study in mice suggests. The finding may help doctors understand potential injuries to athletes, including soccer players who repeatedly head the ball.

map of spread of Zika virus

More than 20 countries and territories have active transmission of Zika virus, which has been linked to birth defects and neurological disorders. The recent drastic uptick in the number of people affected by these conditions is cause for international concern, WHO said February 1. 

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