Bloomberg Opinion via MSN: “One big change brought on by Covid-19 is that virtually all the scientific research being produced about it is free to read. Anyone can access the many preliminary findings that scholars are posting on “preprint servers.” Data are shared openly via a multitude of different channels. Scientific journals that normally keep their articles behind formidable paywalls have been making an exception for new research about the virus, as well as much (if not all) older work relevant to it…”