Physorg: A new model, capable of assessing the rate at which the oceans are acidifying, suggests that changes in the carbonate chemistry of the deep ocean may exceed anything seen in the past 65 million years. The model also predicts much higher rates of environmental change at the ocean’s surface in the future than have occurred in the past, potentially exceeding the rate at which plankton can adapt. The research, from the University of Bristol, is reported in this week’s issue of …