HIRONO, Iwate Prefecture--Sea urchin are a culinary delicacy, but because their shells are often seen as too difficult or costly to recycle, they end up getting tossed out in bulk. But a local ...

Starting when he was a Ph.D. student in the 1990s, he has monitored the evolution of two common species of sea snails living ... In brief: they've grown thicker shells. The paper documents two ...