Uncategorized

  1. Math

    Math Trails in Ottawa

    Housed in a spectacular building redolent of crystals and light, the National Gallery of Canada in Ottawa was recently the setting for a highly unusual school event–a mathematics field trip! National Gallery of Canada For several years, math teacher Ron Lancaster of Hamilton, Ontario, has been creating “math trails” for both students and teachers as […]

    By Ivars Peterson
  2. Tech

    Nanotech Switch: Strategy controls minuscule motor

    Researchers have modified a rotating protein fragment so that it starts and stops spinning with the addition and removal of zinc.

    By Jessica Gorman
  3. Earth

    Wildfire Below: Smoldering peat disgorges huge volumes of carbon

    Set alight by wildfires, thick beds of decaying tropical plant matter can pump massive amounts of carbon into the atmosphere, rivaling those produced globally each year from the combustion of fossil fuels.