We address Gerontology in its perception as the science of aging. Based on Bachelard and Canguilhem, we discuss the perspectives of Gerontology as science in terms of Aging Philosophy, Aging Genetics or Bio-Gerontology, and as a set of techniques for cure such as pain relief, action on life of the being that ages through Geriatrics, Psycho-geriatrics, Geriatric Nursing and Social Service. Based...