Hence, we have objections to the blue clay, like this assertion from Novak Djokovic, delivered during the Monte Carlo tournament, weeks before he even set eyes upon the new color: "Sometimes ...

(Here are the signs your gut bacteria are unhealthy.) A word about pale or clay-colored stool That being said, if you notice ...

After further refinement, the clay appeared rather white ... The mixture of arsenic and cobalt seemed to intensify that blue color after high firing. The Chinese call such a rich, dense, deep ...

The blue clay is a fait accomplit ... green-and-maroon (with white lines) was once the only color combination used for hard courts, and what indoor tennis existed back in the day used wood ...