Should Mainers be concerned by shark sightings?

By JULIA TILTON, Maine Monitor John Chisholm has been interested in sharks as long as he can remember. Growing up in Plymouth, Mass. in the 1970s, he spent a lot of time searching for great whites on his dad’s commercial fishing boat.  An adjunct scientist at the New England Aquarium’s Anderson Cabot Center for Ocean … Continue reading Should Mainers be concerned by shark sightings?