New Scientist: The fringes of communities are hotbeds of creativity “” even for corals. A new study shows that Caribbean corals living on the outskirts of a reef evolve novel traits much faster than those at its heart. The findings suggest that conservation efforts for endangered corals might be missing a trick. The study is one of the few to consider the rate of evolution as a factor for conservation, rather than simply the number of species in an ecosystem. “Evolution is the key to survival for …