Approximately 80% of the collection are articles from scientific journals, most of them dedicated to the subject of medicine. Sci hub and library genesis have made 48 million scholarly publications freely available to anybody with an internet connection since its inception in october 2011. It is a site that provides users of the united states of america (usa) and others free access to articles, research papers, journals, and books that otherwise might not be accessible to them.
Be it legal, technical or otherwise. Sci hub is the internet's largest archive of stolen academic articles You can post a request and it will be solved by other members.