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  1. Health & Medicine

    Balance benefits from noisy insoles

    Sending subliminal vibrations to nerves on the bottoms of feet helps people, especially the elderly, keep their balance.

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  2. Earth

    Flame retardants take a vacation

    The lifetime in blood of flame- retarding diphenyl ethers, now-ubiquitous pollutants, ranges from 2 weeks to 2 years, Swedish researchers find.

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  3. Health & Medicine

    Cocoa puffs up insulin in blood

    Eating foods flavored with cocoa powder as opposed to other flavorings stimulates surplus production of the sugar-processing hormone insulin, but the metabolic implications of the finding aren’t yet known.

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  4. Earth

    New PCBs?

    New studies have begun linking toxic risks with a ubiquitous family of flame retardants.