Larry Stewart's talk in the Reproductive Science and Medicine Seminar scheduled for last week will in fact be given this week, on Thursday, April 27th from 3:30-4:30 in the Club Room of the Faculty Club . Larry's paper is still entitled "The uses of humans in experiment: some considerations of an early-modern problem", and still reviews the political and ethical difficulties of experimentations on human subjects from the from the 17th century onwards.