Blue chicken eggs are relatively rare compared to other egg colors. However, the popularity of blue egg-laying breeds has ...

Some animals lay beautiful green, brown, and even pink eggs. Considered to be one of the most attractive are the blue eggs laid by birds. Why do birds lay blue eggs? Well, the blue color has ...

Photographs of the raw, hard-boiled (red), soft-boiled (yellow), sous vide (green) and periodic (blue) eggs. Credit: Pellegrino Musto and Ernesto Di Maio “[Sous vide] gives a very peculiar ...