Uncategorized

  1. Promiscuity in guppies has its virtues

    Mating with multiple partners benefits the female Trinidadian guppy and her offspring by reducing gestation time and producing youngsters more adept at forming protective schools and at evading capture.

    By Ruth Bennett

  2. Nausea drug may aid alcoholism treatment

    A drug that lowers the activity of serotonin and other chemical messengers in the brain may boost the effectiveness of psychological treatments for a severe form of alcoholism.

    By Bruce Bower
  3. Earth

    Cars’ ammonia may sabotage tailpipe gains

    Though cars' catalytic converters clean up some of the acidic contributors to urban haze and particulates pollution, a subset of these pollution-control devices seems to foster the production of ammonia, another pivotal ingredient in haze and particulates.