Fish farming is booming to keep up with increased demand for seafood—but better aquaculture practices are needed to design healthier and more humane fisheries, says Victoria Braithwaite, professor of fisheries and biology. A decade's worth of research by Braithwaite and her colleagues suggesting that fish feel pain has had a ripple effect among fish farmers, anglers, and animal ethics groups.

At 3:00, seven hours behind schedule, Atlantis's horn sounded and the ship pulled away from the docks, starting her day-and-a-half journey south to the East Pacific Rise. The hillsides of Manzanillo, Mexico, tightly packed with houses painted bright shades of green and yellow, slowly disappeared into the distance—our last look at land for 23 days.