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  1. Humans

    Weighing In on City Planning

    Accumulating evidence suggests that urban sprawl discourages physical activity and may thereby contribute to obesity and related health problems.

    By Ben Harder
  2. Humans

    Letters from the January 20, 2007, issue of Science News

    Sea tales In “Dashing Rogues” (SN: 11/18/06, p. 328) on rogue waves, you make no mention of the use of satellite data, which is ideal for this sort of study. Two projects, in particular, are of great relevance: the European Union’s MaxWave study and the subsequent WaveAtlas project. The former, with just 3 weeks’ data, […]

    By Science News
  3. Math

    Art of the Tetrahedron, Revisited

    A New Orleans sculptor and his tetrahedron-based artworks survived Hurricane Katrina.