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  1. Joined at the Senses

    As evidence accumulates for the existence of brain cells that handle many types of sensory information, some scientists challenge the popular notion that perception is grounded in five separate senses.

    By Bruce Bower
  2. Astronomy

    After a failure, a new craft to sail

    Despite the July 20 failure of its mission to test the unfurling of a solar sail in a suborbital trajectory, the Planetary Society announced plans in late August to conduct a second test of a sail-propelled craft.

    By Ron Cowen
  3. Astronomy

    A meteorite’s pristine origins

    A rare, carbon-rich meteorite that fell into a frozen Canadian lake last year ranks as the most pristine of such specimens ever found.