Why we kiss, in case you were wondering… Not much to do with economics per se, unless you want to make the link to things some people consider related, such as when to say “I love you” (4th bullet point):-).
A treat for Saturday afternoon: creativity+ superlative art + modern technology=3 minute video overview of 500 years of female portraits in Western Art– with a most appropriate Bach’s ‘Sarabande”, interpreted by Yo-Yo Ma, in the background.