Professor PM Medawar considers the future of human evolution in his final lecture entitled 'The Future of Man'. Show more

Professor PM Medawar analyses how our environment influences our genes in his fourth Reith lecture entitled 'The Genetic System of Man' Show more

Professor Medawar considers the factors influencing the human reproduction rate and their affect on predicting future population. Show more

Professor PM Medawar explains the role of the genetic system in human beings in his third lecture entitled 'The Limits of Improvement'. Show more

Professor PM Medawar considers how our environment affects our genetics in his second Reith lecture entitled 'The Meaning of Fitness'. Show more

Professor PM Medawar explores what it means to be clever in his fifth Reith lecture entitled 'Intelligence and Fertility'. Show more