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Science paper piracy site Sci-Hub shares lots of retracted papers
(arstechnica.com)
General discussions about "science" itself
Be sure to also check out these other Fediverse science communities:
That's why you use a literature management tool like Zotero which has a built in retraction alert based on the wonderful database of retractionwatch.
Does unfortunately not help the non-scientist looking up a random paper from a Facebook post.