Nature Publishing Group is a division of the international scientific publishing company Springer Nature that publishes academic journals, magazines, online databases, and services in science and medicine. Nature Publishing Group's flagship publication is Nature, a weekly multidisciplinary journal first published in 1869. It also publishes Nature research journals, Nature Reviews journals (since 2000), and society-owned academic journals. Springer Nature also publishes Scientific American in 16 languages, a magazine intended for the general public. In 2013, Nature Publishing Group bought a controlling stake in Frontiers.