Did you know . . . - Dance flies of the family Empididae have been courting their mates for eons by presenting them with silk-wrapped prey as nuptial gifts. - There are at least twenty-three different categories of silk, each the result of natural selection and an independent evolutionary pathway. - Some moth-caterpillars will walk only on a path of silk, leaving human monarchy a tad inferior surely. - Silk is an excellent material for select surgical procedures. ...