ScienceDirect is home to almost one-quarter of the world's peer-reviewed full-text scientific, technical and medical content. Over 15 million researchers, health care professionals, teachers, students and information professionals around the globe rely on ScienceDirect as a trusted source of nearly 2,500 journals and more than 26,000 book titles. ScienceDirect supports research and education with interactive elements in articles such as audio, video, graphs, tables and images, and offers tools so users can keep current with research trends. Content on ScienceDirect also features embedded links to external datasets, including earth and environmental science data from PANGAEA, abstract and indexing data from Scopus and chemical reactions data from Reaxys. With over 12.6 million content pieces available—including pre-publication articles and open access content from Elsevier journals—ScienceDirect is a premier platform for discovering the world of research.