Editor’s note: Story updated June 3. There are lots of oysters on Josephine Roussell’s plate. A few literally, and many more figuratively. The 2018 University of Maine graduate is a research technician on a team designing a sorter for small-scale oyster growers. Aquaculture already provides more than 50 percent of seafood worldwide, according to the read more Josephine Roussell: Ocean steward helps develop oyster sorter