Making local copies of every study and paper I reference from CDC, NIH, and PubMed. If you use any of this it would be wise to do the same.
@proscience @violetblue The wayback machine is a non profit (just like Wikipedia). If you want to continue its support, I urge you to donate. I don't see it being "taken down" by our govt any time soon. I could be wrong, of course. But it is an invaluable resource....