The Naked Face [via kottke]: lengthy, readable, article on facial expressions being tied to emotions. Two main surprises for me were that expressions are universal and very finely grained, and that exercising the muscles involved in certain faces can cause the emotions they represent (I wonder what the evolutionary pressures behind these two points are). Also: the face-reading abilities of Tomkins and the subject of microexpressions.
The Naked Face [via kottke]: lengthy, readable, article on facial expressions being tied to emotions. Two main surprises for me were that expressions are universal and very finely grained, and that exercising the muscles involved in certain faces can cause the emotions they represent (I wonder what the evolutionary pressures behind these two points are). Also: the face-reading abilities of Tomkins and the subject of microexpressions.