Black and white thinking is the tendency to see things in extremes. Things are either all bad or all good. This type of thinking can affect your relationships, career, and even your health.

Hughes argued in favor of color-blind thinking; this offended some staff at TED, resulting in delays, unusual scrutiny, and alleged failure to promote Mr. Hughes’ video.

And that's the kind of relationship that thinking "black-white color line" completely obscures. So we need to be able to see how, across the color line as well as within the color line, ...

Imani Perry traces the history and symbolism of the color blue, from the indigo of the slave trade, to Coretta Scott King's wedding dress, to present day cobalt mining. Her new book is Black in Blues.

A brouhaha broke out recently when it was revealed that TED treated a talk on color blindness by Coleman Hughes (who is black, if that matters), with surprising levels of hostility. Mr. Hughes and ...