A seaside snail crawling along the gooey streak left by another snail is saving a lot of energy, say researchers, because it doesn’t have to ooze so much slime itself. “It’s much, much more expensive ...

Periwinkles, struggling to survive the seashore battleground, have developed a genetic 'toolkit' to help them adapt to different environments, a new study shows. This toolkit has enabled the snail to ...

A checkered periwinkle marine snail, similar to these sitka periwinkles, was found growing inside an abscess on an 11-year-old Southern California boy’s arm. Emily Grason University of Washington When ...