Fangs a lot

FOR the first time since the early 1970s, a highly venomous sea snake has turned up on a southern California beach—the latest in a string of unusual wildlife sightings, including hammerhead sharks and red-footed boobies. Though a bite from this yellow-bellied snake can theoretically be lethal, shutting down all nerve signals to the respiratory system, “Jaws” this is not: the snake attacks only whe