The fundamental philosophy of the existentialist movement is revealed in Heidegger's discussion of human existence, nonhuman presence, personal consciousness, and angst

The Fontana History of Chemistry, which draws extensively on both the author’s own original research and that of other scholars world wide, is conceived as a work of synthesis. Nothing like it has been attempted in decades. Beginning with the first tentative chemical explorations where primitive technology and techniques were deployed, Dr Brock proceeds via the alchemists’ futile, but frequently profitable, efforts to turn lead into gold to recount the emergence of the modern discipline o...