The snail’s shell diameter averages about 22 to 30 millimeters (.87 to 1.18 inches). Each snail’s shell has a unique combination of stripes and colors, so no two are exactly alike. These snails eat ...
More than 2,000 years after an artist in ancient China picked up a brush and a clam shell, researchers are getting the first glimpse at what they actually painted. Clams were eaten by people of the ...