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  1. Humans

    Letters from the March 3, 2007, issue of Science News

    Up, down, around I haven’t seen any reference to the similarity between the “morphing” wing (“Ahead of the Curve: Novel morphing wing may reduce aircraft’s fuel use,” SN: 12/23&30/06, p. 406) and the “warping” wing that the Wright brothers used on their gliders and powered aircraft. It seems we’ve come full circle in our quest […]

    By Science News
  2. Health & Medicine

    Cocoa compound increases brain blood flow

    Cocoa that retains compounds usually removed to soften the product's flavor can significantly improve blood flow to the brain.

    By Christen Brownlee
  3. Earth

    Subglacial lakes may influence ice flow

    The flow of water into and out of massive, ice-covered lakes in Antarctica may influence the speed at which the overlying glaciers move toward the sea.