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  1. Life

    Killer bee colonization

    A NASA project will combine satellite observations of plant growth in the continental United States and projections of how climate might change in coming years to estimate where “killer bees” could ultimately survive in the wild.

    By Sid Perkins
  2. Space

    Phoenix gets ready for work

    After a day’s delay, scientists successfully sent up commands to unstow the robotic arm of NASA’s Phoenix Mars Lander.

    By Ron Cowen
  3. Humans

    Kavli prizes announced

    Perhaps Alfred Nobel has met his match. Or at least his coveted prize may have. Today, the NorwegianAcademy of Science and Letters announced its inaugural Kavli Prize laureates, named in honor of Fred Kavli.