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  1. Materials Science

    Adhesive loses its stick with heat

    A new type of epoxy adhesive loses its stickiness when heated, allowing easy separation of materials that were once tightly bonded.

    By Jessica Gorman
  2. Materials Science

    Tiny detector finds hydrogen better

    Researchers have made a miniature device that can quickly detect hydrogen leaks.

    By Jessica Gorman
  3. Health & Medicine

    Vitamin relative may aid stroke repair

    Dehydroascorbic acid, a precursor of vitamin C, may help stroke patients retain use of parts of their brain at risk from the blood shut-off caused by strokes.

    By Nathan Seppa
  4. Health & Medicine

    Detecting cancer risk with a chip

    Researchers can use microcantilevers studded with antibodies that react to prostate specific antigen, or PSA, to analyze blood samples for signs of prostate cancer.