The history of design, he says, can be seen as the search for a visual expression of sincerity, a claim he supports by taking the reader from the simplicity demanded by Protestantism (in rebellion against Baroque Catholicism) to the rise of abstraction in art.

WSJ: Book Review: Sincerity

The women also showed altered behavior in their visual search task when they were exposed to the chemosignals, but had no awareness of any change in their expression or behavior.

FORBES: Yes, You Really Can Smell Emotions