SeacoastOnline: They have blue blood, more than 4 eyes, have been around since the time of the dinosaurs, and could save your life. It’s no wonder University of New Hampshire graduate student Helen Cheng is so passionate about horseshoe...

The Maritime Aquarium at Norwalk, Connecticut, is seeking volunteers to assist with tagging horseshoe crabs as part of an annual census conducted during the crabs’ spring spawning run at Norwalk’s Calf Pasture Beach. The census is being led by...