And it's a color that's associated with power, culturally speaking." Blue is also the color of the slave trade: Dyed indigo cloths in West Africa were traded for human life in the 16th century. But it ...

People have been wearing blue jeans for centuries. Originally, the blue color came from a natural indigo dye. The dye was chosen for the way it interacted with cotton. When heated, most dyes ...

The docile, nonvenomous eastern indigo snake is known for its lustrous, blue-black body; the reddish-orange hue on its chin, throat and cheeks; and its large size, as long as 7 feet from nose to tail, ...