65 out of the 100 most cited papers are paywalled

« The web was built specifically to share research papers amongst scientists. Despite this being the first goal of the modern web, most research is still published behind a paywall. We have recently highlighted famous math papers that reside behind a paywall as well as ten papers that have achieved a near rockstar status in research and the public. Here we systematically look at the top one hundred cited papers of all time and find that 65% of these papers are not open. (…) »