Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

Ned, a pale-bodied snail crawls across a leaf in a small town in the Waiararapa, New Zealand, on Aug. 22, 2025. (Giselle Clarkson via AP) I knew that there were right-eyed and left-eyed flounder, but ...

The Lewis' moon snail doesn’t mess around.

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. In hydrothermal vent fields, a small snail evolved an iron-reinforced shell. Here’s how it ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American A snail’s shell is both mobile home and ...