Nature Publishing Group (NPG) is a division of Macmillan Publishers Ltd, dedicated to serving the academic and professional scientific and medical communities. The flagship title, Nature, is the world's most highly-cited weekly multidisciplinary journal and was first published in 1869.NPG publishes journals and online databases across the life, physical and applied sciences and, most recently, clinical medicine. Content encompasses daily news from award-winning journalists, expert opinion and practical methodology, and more high impact research and reviews than any science publisher. Over 30 journals are published in association with prestigious academic societies.