Press Democrat: The danger from increasing levels of acid in the ocean, which could devastate California’s shellfish industry, is under investigation by Bodega Bay scientists. It is painstaking work that requires the team to wade through knee-deep mud at Tomales Bay to collect native Olympic oysters and then raise their young in salt-water tanks under conditions that mimic climate change. "Very little is known about how ocean acidification is unfolding, other than it is," said Susan Williams, …