A snail with a shell spiraling to the right can’t mate readily with a lefty. So, changes in the single gene that controls shell direction have created new snail species, say researchers. Among the 20 ...

A snail from the Canary island of La Gomera produces its impressive camouflage layer by itself in the process of an unexpectedly complex behavioural pattern. The snail grazes lichen material from the ...

Berkeley -- Biologists have tracked down genes that control the handedness of snail shells, and they turn out to be similar to the genes used by humans to set up the left and right sides of the body.