Month: September 2012

Sea urchins can cope with acidic waters

NATURE | NEWS Posted 26 September 2012 — By Virginia Gewin — Genetic variability makes some marine organisms resilient to environmental change. Purple sea urchins can weather changes in ocean pH. VISUAL&WRITTEN SL/ALAMY  MONTEREY, CALIFORNIA Rising acidity in the oceans is expected to have dire consequences for organisms like coral,