Catherine McKinley is the author of Indigo: In Search of the Color that Seduced the World. You probably take the blue in your favorite jeans or denim bean bag chair for granted now, but it was once ...

The University’s colors originated from the Dialectic and Philanthropic Societies, the literary and debate societies founded ...

I n a recent study about ancient ancestors, archaeologists elaborated on the earliest evidence of indigo dyeing, showing that ...

Traces of color blue indigo on 34,000-year-old tools from Dzudzuana Cave reveal that early humans processed plants for dye ...

Stephen Head, president of Lone Star College-North Harris, asked me not long ago what the sparrow-size, aqua-blue birds were that had shown up in his yard. He wasn't the only one who wanted to know.