The only difference between brown and white eggs is the color of the shell, which depends on the breed of hen that lays them.

While beef changing color can indicate that it's beginning to go bad, that's not always the case. When it turns this color, ...

Color signaling has long provided us with visual clues about what to eat and what not to eat. Food dressed in fuzzy black and blue mold? No, thank you. Red meat fading to dull brown? Merely a case of ...