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  1. Tech

    Little Big Wire

    High-temperature superconductivity makes a bid for the power grid.

    By Peter Weiss
  2. Chemistry

    Chemistry Catches Cocaine at Source

    Scientists have devised a method for identifying cocaine's geographical origin by determining the chemical signatures of five distinct coca-growing regions in the Andes.

    By Jessica Gorman
  3. Humans

    Letters from the July 3, 2004, issue of Science News

    Whale, of an annoyance In “Din among the Orcas: Are whale watchers making too much noise?” (SN: 5/1/04, p. 275: Din among the Orcas: Are whale watchers making too much noise?), Rus Hoelzel states, “One thing I want to make clear is that I think whale watching is a good thing.”