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  • 12 Mar 2001

    Cells survive gentle delivery of working proteins

  • 27 Sep 2000

    "Chain-mail" protein links safeguard a bacteriophage's innards

  • 24 Apr 2000

    Babies may seem to have little to say to linguists. But new findings in the 21 April Science suggest that the characteristics of language may originate in babbling sounds that all babies make.

  • 10 Mar 2000

    Tumors go mostly unmolested by the body's natural defenses, partly because cancer cells are descendents of normal body cells. Now researchers have achieved success in human patients with a ruse that turns the immune system against these growths.

  • 20 May 1999

    By tinkering with an enzyme in the brain cells of mice, medical researchers may have opened the door to a treatment for Huntington's disease, an as-yet-untreatable progressive brain disorder.

  • 12 May 1999

    Scientists think they may have solved a mystery as old as the first polar sea expeditions: Why do cold-water animals grow so much larger than their warm-water cousins?

  • 28 Apr 1999

    Scientists have found that only great apes and humans share a particular type of brain cell. We have more of the cells than do our primate cousins; their relative abundance may shed light on the evolution of speech, self-awareness, and emotional control.

  • 2 Apr 1999

    Rising carbon dioxide levels in the atmosphere will slow the growth of coral reefs and possibly weaken their limestone skeletons during the next century, scientists predict.