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  • 4 Jan 2000

    Researchers have a new theory to explain why a particularly nasty strain of Salmonella has spread through U.S. and European poultry populations in the past 40 years, sickening millions of people who eat the infected birds or their eggs.

  • 23 Dec 1999

    English is a peculiar language. Words such as "cough," "tough," "dough," and "bough" look like they ought to rhyme, but each one is pronounced differently. Italian, by contrast, translates letters into sounds according to a handful of simple pronunciation rules, with few exceptions.

  • 6 Dec 1999

    If you can't run the nation's most prestigious high school science contest, start your own--and make it even more lucrative for the winners. That's the genesis of the Siemens Westinghouse Science & Technology Competition, which announced its first winners this week in Washington, D.C.

  • 22 Nov 1999

    Each fall, monarch butterflies migrate thousands of kilometers and--mysteriously--manage to find the same wintering grounds their ancestors left the previous spring.

  • 28 Oct 1999

    MIAMI--An old drug may perform a new neurological trick. Lithium, used for 50 years to treat manic depression, also protects against a rat version of Huntington's disease, researchers reported here this week at the Society for Neuroscience's annual meeting.

  • 27 Oct 1999

    MIAMI BEACH, FLORIDA--Some athletes and bodybuilders pump themselves with anabolic steroids, compounds that mimic or stimulate the hormone testosterone, to bulk up fast.

  • 27 Oct 1999

    MIAMI BEACH, FLORIDA--Scientists have restored the short-term memory of monkeys whose brains were damaged by amphetamines.

  • 26 Oct 1999

    MIAMI--New findings support the notion that people with dyslexia have problems in a brain region called the cerebellum, psychologists reported here yesterday at the Society for Neuroscience's annual meeting.

  • 25 Oct 1999

    MIAMI--Injecting fetal cells into the brains of patients with Parkinson's disease can slow down the progression of the disease, according to the first double-blind, placebo-controlled clinical study of this procedure.

  • 21 Oct 1999

    Escherichia coli bacteria have fallen into ill repute these days thanks to a particularly nasty strain, O157:H7, that in the last few years has killed several children who ate infected undercooked meat or unpasteurized milk or juice and sickened thousands of more people in the United State

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