Search Results for: Dogs

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4,025 results

4,025 results for: Dogs

  1. Animals

    Second bird genus shares dart-frog toxins

    Researchers have found a second bird genus, also in New Guinea, that carries the same toxins as poison-dart frogs in Central and South America.

    By Susan Milius
  2. Paleontology

    A Makeover for an Old Friend

    Time and technology revamp a dinosaur classic.

    By Sid Perkins
  3. Humans

    Of Rats, Mice, and Birds

    Fireworks erupt over an extension of rules to protect lab animals.

    By Janet Raloff

  4. Crippled fungus acts as vaccine

    A genetically crippled strain of yeast can vaccinate mice against deadly normal strains.

    By John Travis
  5. Humans

    Rodent Run

    Four little DNA-modified rats go to market.

    By Bruce Bower