Nature Publishing Group is a publishing company that provides journals and online databases in the areas of life, physical and applied sciences and clinical medicine. It publishes daily news, expert opinion and practical methodology, and research and review articles. The company offers more than 30 journals. Nature Publishing Group publishes journals related to chemistry, drug discovery, biotechnology, materials, and methods and protocols. It also publishes journals in the areas of cancer, cardiovascular medicine, dentistry, endocrinology, gastroenterology and hepatology, pathology and urology. The company additionally provides publications on earth science, evolution and ecology. Nature Publishing Group is a division of Macmillan Publishers, which is one of the largest publishing groups worldwide.