David Reich, professor of genetics at HMS, studies modern and ancient DNA to probe human history and learn about health and disease. In this podcast, he shares his excitement about new genetic technologies and tells the story of his winding path from social studies and physics to becoming one of the world's foremost population geneticists. And in this month's abstract, HMS geneticist Connie Cepko is investigating a new antioxidant gene therapy in mouse models of inherited blindness. Read more about her work: Seeing the Light.