BIDDEFORD, Maine, May 13 -- The University of New England issued the following news: * * * In campus vernal pools, student researchers search for life in winter's remains Students carry on the annual practice of monitoring the temporary habitats to evaluate ecosystem health By Alan Bennett The smell of fresh rain hung low, like the fog that had recently cleared. The snow had finally retreated -- late, as it often does in Maine in April -- but, among the tangle of weeds and conifers, a small  more