By Colleen Burge, Assistant Professor, Institute of Marine and Environmental Technology, University of Maryland, Baltimore County. Colleen Burge counts oysters on an oyster aquaculture lease in California. Collin Closek, CC BY-ND Oysters, a delicacy eaten on most coastlines of the world, are a multi-billion-dollar industry. They also are intriguing to study from a health perspective. Oysters…