When blue does show up in nature, however, it always does so in a striking and beautiful way. Many snakes around the world ...

Throughout history, a variety of famous people have lent their names to shades of brilliant blue, shocking purple, grassy green, muddy brown, and other hues. While many of these figures are ...

In a nutshell Ancient Egyptian artisans developed precise, repeatable recipes to create four distinct shades of Egyptian blue ...