This web-site wants to bring cognitive contributions and instruments for the study of the phenomenological field of the psychoactive drugs; a field of research known as Science of Drugs. This web-site does not deal with the problematic aspects of the drugs, nor is interested on the apologetical aspects related to their modern use, but reports a bulk of scientific data which concern the drugs as phenomenon, in their relationship with the living beings, especially the human beings. The editor of this web-site is an independent researcher specialized on the ethnobotany and the anthropology of drugs, author of specialized books and writings in Italian and in other languages