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  1. Life

    Mosquito fish count comrades to stay alive

    New experiments indicate that mosquito fish can count small numbers of companions swimming in different groups, an ability that apparently evolved to assist these fish in avoiding predators.

    By Bruce Bower
  2. Health & Medicine

    A role for Merkels

    Mysterious skin cells known as Merkel cells are required to sense light touches.

    By Tina Hesman Saey

  3. Science Future for July 4, 2009

    July 19-23 Get education training at the NEED National Energy Conference for Educators in Nashville. See www.need.org/training July 31 Deadline for submissions to the Imagine Science Film Festival in New York City. Get more info at www.imaginesciencefilms.com October 28-November 1 Society for Hispanic Professional Engineers conference in Washington, D.C.