Berkeley Daniel Rokhsar News Today

THE WASHINGTON POST – Pop quiz: How many arms do sea stars have? The answer seems obvious: one, two, three, four, five. Five arms. Anyone who has stumbled across one splayed on the seashore knows this. But if that is your answer, bad news: You’re wrong. In new research published recently, scientists detail how sea […]

For centuries, naturalists have puzzled over what might constitute the head of a sea star, commonly called a “starfish.” Researchers have published a study finding that the truth is closer to the absolute reverse.