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  1. Humans

    Letters from the January 15, 2005, issue of Science News

    Maybe a smoky card game I’m a veterinarian, and, here in west Texas, we see a high occurrence of parvovirus infection in young dogs. It destroys the intestinal villi, allowing gastrointestinal bacteria and their toxins to enter the bloodstream (“Nicotine’s Good Side: Substance curbs sepsis in mice,” SN: 11/6/04, p. 291). I would be very […]

    By Science News
  2. Health & Medicine

    Antibiotics could save nerves

    Penicillin and its family of related antibiotics may prevent the type of nerve damage that occurs in people with amyotrophic lateral sclerosis (ALS) and other diseases.

    By Christen Brownlee
  3. Animals

    Sparrows learn song from pieces

    Young white-crowned sparrows don't have to hear a song straight through in order to learn it; playing the song in mixed-up paired phrases will do.