Dinosaurs, for example, have an array of distinctive boney features—sockets, skull sutures, and more—that can help scientists tell their fossils apart from nonliving objects. "When you have a ...

We wandered slowly, without hurry, in Calanques National Park, where Jacques Cousteau and Louis Malle came in the 1950s to make The Silent World, a film that introduced a generation to undersea life.