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  1. 19366

    I find the language in this article to be judgmental and unscientific. For example, “desert pavement and their biota are wounded by human activity” is neither artistic nor scientific. Such narrow, biased views of ecology have no place in a scientific journal. Boone MoraGarden Valley, Calif.

    By Science News
  2. Earth

    Thin Skin

    Desert pavement, a delicate veneer of stones that covers the surface of up to 50 percent of the world's arid lands, is susceptible to being damaged by everything from multi-ton tanks to careless footsteps, and the resulting scars can take thousands of years to mend on their own.

    By Sid Perkins
  3. Planetary Science

    Next Stop, Interstellar Space

    Data recorded by the venerable Voyager 1 spacecraft suggest the craft has either recently encountered or will soon enter a key region near the edge of the solar system.