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  1. Humans

    Letters from the April 2, 2005, issue of Science News

    Zoom in, drop out On reading the interesting research on droplets (“Dial-a-Splash: Thin air quells liquid splatter,” SN: 2/12/05, p. 99), I noticed that the two droplets shown in the photos at the moment of first contact have different shapes. In air at normal pressure, the droplet has the characteristic hamburger-bun shape. In contrast, the […]

    By Science News
  2. Astronomy

    Worlds of Astronomy

    British astronomer and writer David Darling has created an impressive, online encyclopedia devoted to topics in astronomy, astrobiology, spaceflight, space physics, and much more. From the Abell cluster to the Zwicky Catalogue, the site provides clear, straightforward explanations of a variety of concepts, along with brief biographies and much other material, including relevant images.