Snail shells are often colorful and strikingly patterned. This is due to pigments that are produced in special cells of the snail and stored in the shell in varying concentrations. Fossil shells, on ...

They're neither white and gold or black and blue. But in an optical puzzle akin to The Dress, colourful snails are causing scientists turn to technology to definitively decide whether some snails' ...

Scientists compare the colour over time - there is a clear indication that the proportions of the different shell types are changing. But these citizen scientists face the same problem in classifying ...

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 ...

Snail shells are often colourful and strikingly patterned. This is due to pigments that are produced in special cells of the snail and stored in the shell in varying concentrations. Fossil shells, on ...