[This is cross-posted from my other blog, Sauropod Vertebra Picture of the Week. I never cross-post: this is, as far as I remember, literally the first time I have done it. But this issue is so important and so urgent that I am making an exception. Please, please: sign the petition, upvote the Reddit and Hacker News submissions, blog about it, tweet about it, tell your friends.]
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Good news! If you want to read research that was funded by the U.S. National Instututes of Health (NIH), you can. Their public access policy means that papers published on their dime become universally accessible in PubMed Central.