Google Scholar is a popular research database that allows users to search for scholarly literature, including articles, theses, books, and conference papers. It provides a wide range of disciplines and sources, making it a valuable tool for researchers. Google Scholar indexes content from academic publishers, professional societies, online repositories, universities, and other websites. It also provides citation metrics, allowing users to see how many times a particular article has been cited by other researchers. Overall, Google Scholar is a useful resource for finding scholarly information and conducting research.