Size matters to the small-but-mighty mantis shrimp, which show a marked preference for burrows in coral rubble with volumes that closely match their own body size or are just a bit larger—in other ...

DURHAM, N.C. -- To a mantis shrimp, walking away from a fight doesn't mean being a wimp. It means recognizing who they're up against and knowing when to bail rather than drag out a doomed battle, Duke ...