Good to see some are open access.
For the rest that aren't, we should remind folks that finding the latest sci-hub URL, copy and pasting the title or DOI into it and downloading the pdf makes you a very bad person, such a bad person that many ISPs have now blocked it, and using a proxy to get around such a block makes you an even naughtier bad person.
Folks may think they are very clever when they say things like "taxpayer funded science should be available to read by those same taxpayers" or "science should be accessible to everyone for the benefit of mankind", but in reality refusing to pay ?30 per paper makes you EVIL, LAWLESS and IMMORAL