Some things we take for granted. Take for instance eggs. In the grocery store we find eggs with white shells and eggs with brown shells. The Araucana chicken lays blue eggs. But why so many colors? It ...

If you eat chicken eggs, you probably have a shell color preference for reasons you can’t explain. Some people only buy brown eggs because they believe they’re “healthier” or more “natural” than white ...

Cuban snail (Polymita picta) world most beautiful land snails from Cuba , its known as "Painted Snails", rare, endangered and protected. Colorful snails, selective focus, copy space© Mark ...

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 ...