More from Author

  • 27 Sep 1999

    Autumn brings heaps of apples, pumpkins, and other crops. Now another harvest is on the horizon, more akin to the plastic fruit on your grandmother's sideboard: Scientists have engineered plants to grow a biodegradable plastic from nothing but sunshine, water, and CO2.

  • 3 Sep 1999

    Dolly and other cloned sheep may look like exact replicas, but they aren't.

  • 2 Sep 1999

    In vino veritas--plenty of secrets have tumbled from lips loosened by wine. Now, wine grapes themselves are spilling some secrets. Scientists have used DNA fingerprinting to decipher the pedigree of some of the world's most renowned grapevine varieties.

  • 18 Aug 1999

    A virus that made the human genome its permanent residence long ago may be an important cause of breast cancer, if a study presented last week at a virology conference in Sydney, Australia, is correct.

  • 11 Aug 1999

    It's almost like that famous trick where a magician drops pieces of rope into a hat, then pulls out the whole length intact: Scientists can now smuggle up to 17 snippets of DNA into a cell and--presto!--out comes an infectious influenza virus.

  • 28 Jun 1999

    Hoping to home in on genes underlying common diseases such as atherosclerosis or cancer, scientists working on the Human Genome Project have been randomly collecting DNA variations that may serve as guideposts to these genes.

  • 22 Jun 1999

    By wiring into brain neurons, scientists have enabled rats to control a mechanical arm without lifting a paw. The feat, reported in the July Nature Neuroscience, may pave the way for neuroprosthetic devices for paralyzed patients.

  • 18 Jun 1999

    The world has never stopped thinking about Albert Einstein, arguably one of the century's greatest minds.

  • 7 Jun 1999

    When the U.S. Food and Drug Administration approved the anti-inflammatory drugs Celebrex and Vioxx earlier this year, it marked the start of a new era of custom-designed pain killers that target a specific enzyme.

  • 3 Jun 1999

    Making a safe and effective vaccine isn't easy. Usually only a handful of protein snippets, or peptides, from a pathogen are able to spark a protective immune response. Now researchers have developed a computer program that homes in faster on that peptide needle in the protein haystack.