LiveScience: The waters off the Pacific Northwest are becoming more acidic, making life more difficult for the animals that live there, especially oysters and the approximately 3,200 people employed in the shellfish industry. Researchers from the National Oceanographic and Atmospheric Administration (NOAA) will set sail Monday (July 29) on a monthlong research cruise off the U.S. and Canadian West Coast to see how ocean acidification is affecting the chemistry of the ocean waters and the area's sea life. ...