By evolvingthoughts on September 27, 2007. I keep forgetting to check the "unpublished" list. If you put a link in, or use certain terms, the spam filters will hold it for approval. I am forgetful, and haven't checked for a while, so apologies to those whoe comments were held for over a day. Tags Administrative More like this ClockTutorial #2a: Forty-Five Years of Pittendrigh's Empirical Generalizations ClockTutorial #2a: Forty-Five Years of Pittendrigh's Empirical Generalizations ClockTutorial #2a: Forty-Five Years of Pittendrigh's Empirical Generalizations ClockTutorial #2a: Forty-Five Years of Pittendrigh's Empirical Generalizations