Montana Benning and Melissa Britsch are spending their summer learning how to dive — for science.  Benning, of Waterloo, Wisconsin, is a second-year marine sciences major with a concentration in marine biology, and minors in zoology and ecology and environmental sciences.  Melissa Britsch Britsch, of Klamath Falls, Oregon, is a marine read more Montana Benning and Melissa Britsch: Scientific diving takes marine studies to new depths