Sci-Hub’s cache of pirated papers is so big, subscription journals are doomed, data analyst suggests

(27 July 2017) There is no doubt that Sci-Hub, the infamous – and, according to a U.S. court, illegal – online repository of pirated research papers, is enormously popular. But just how enormous is its repository? That is the question biodata scientist Daniel Himmelstein at the University of Pennsylvania set out to answer.

Their findings, published in a preprint on the PeerJ journal site on 20 July, indicate that Sci-Hub can instantly provide access to more than two-thirds of all scholarly articles, an amount that Himmelstein says is “even higher” than he anticipated.

Science has the full article by Lindsay McKenzie.