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  1. Humans

    From the September 23, 1933, issue

    LEAFY SUCCULENTS SOLVE PROBLEM SET BY DESERT Desert plants have a particularly hard problem to solve, set by that old Sphinx, the desert itself, and if they fail to solve it, the penalty is the same as that exacted in the old Greek myth–they must die. They must spread a sufficient chlorophyll surface to the […]

    By Science News
  2. Planetary Science

    Earthly Field Trip to Mars

    Interested in seeing Martian landscapes and features up close on Earth? This Web site offers kids a “field trip” to formations in the state of Washington that resemble those found on the Red Planet. Take a look at floodplains, volcanoes, basalt columns, lakebeds, canyons, sand dunes, and more.