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  • 1 Sep 1998

    The old adage that too much of a good thing can be bad for you may hold for Internet users, according to a new study.

  • 19 Aug 1998

    Copying billions of base pairs every time a cell divides demands high fidelity. Now it appears that all DNA is not recreated equal--one strand of the helix is copied more reliably than the other, according to a report in the current Proceedings of the National Academy of Sciences.

  • 13 Aug 1998

    Bacteria that live in rocks a kilometer or more underground have to eat creatively, since organic molecules are thought to be scarce. Now researchers have found that a possible deep dietary staple may not exist in abundance after all.

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