These days were brought to you by the letters P, T, S, and D

I meant to write about this before, but, well, there have been limitations keeping me from blogging lately.  One is Pubmed and its treasure trove of fascinations.  The other is the fact that although I can get to the New Post screen from my outdated-and-stubbornly-update-refused Safari browser, I can’t actually type in the text box … More These days were brought to you by the letters P, T, S, and D