Britain's Sir Peter Hall is considered by many the most important director in his generation. As the artistic director of the Royal Shakespeare Company, the National Theatre and the Old Vic, he has directed the greatest actors of our time in numerous seminal interpretations of Shakespeare and the Classics.
In his latest work, Sir Peter Hall ranges over the extraordinary history of world drama to find the common experiences that are able to create the theatrical form. This series of 4 lectures were delivered at Trinity College in Cambridge as part of the famed Clark lectures which began in...

Pharmacokinetic variability of contraceptive steroids is a relatively under-explored area of contraceptive research, and hardly a common point of discussion among those who plan and deliver family planning services. Nevertheless, numerous independent studies over the last 15 years have indicated that women in different regions of the world vary in their pharmacokinetic response to contraceptive steroids. The causes of such variability are not known, but it has important consequences for contraceptive effectiveness. It may also offer insight to the basis of contraceptive side-effects. The...