Shell colour variation in mollusks is a multifaceted trait governed by complex genetic mechanisms that orchestrate pigment biosynthesis, tissue differentiation and biomineralisation. Studies indicate ...

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 ...

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 ...

Does shell colour really affect nutrition, taste, or quality? Here’s the truth behind the common myths and what actually ...

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' ...

One of my young chickens has just produced an unusually coloured egg (to the right of the photo). The egg on the left is more typical of the breed. I know egg shell colour is variable, even in eggs ...