News

  1. Health & Medicine

    Aging protein saps muscle strength

    Proteins crucial for muscle strength begin to function poorly as rats get older.

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  2. Health & Medicine

    HIV outwits immune system, again

    The AIDS virus uses immune system proteins to hitch rides on the antibody factories known as B cells, possibly helping it find potential host cells.

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  3. Same interviewer, better memories

    Children may remember details of a witnessed crime more accurately if the same person conducts successive interviews with them.

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  4. Intimate violence gets female twist

    An analysis of data on relationship violence in the general population finds that, excluding murder and sexual assaults, women prove slightly more likely than men to commit one or more aggressive acts against a partner—though men are more likely than women to inflict injuries that require medical help.