News

  1. Chemistry

    Leaden news for city neighborhoods

    Researchers have identified more than 400 urban sites that may be highly contaminated with lead but had remained unknown to authorities for decades.

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  2. Chemistry

    Would you like wheat with that burger?

    Researchers have used wheat to make a biodegradable hamburger carton.

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  3. Gene therapy won’t replace Viagra—yet

    Scientists are making progress toward inserting genes to cure impotence temporarily.

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  4. Looking for osteoporosis in spit

    A dentist has found three compounds in saliva that could be used to gauge bone loss.

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  5. Astronomy

    Searching for a lost craft

    A recent Department of Defense analysis of images of the Red Planet may have located a lost spacecraft on Mars, but NASA says the images could just be electronic noise.