My father in his last years was tentatively diagnosed as having Alzheimer’s. I never believed it. Now, new research on the human genome and, among other things, how canaries learn new songs brings us a little closer to understanding how memory works, and why it doesn’t.

Nothing changes on New Year’s but the date, and that only because of arbitrary accommodation of astronomy to Roman festivals, politics and bureaucratic convenience. But no matter; arbitrary or not, it’s a good occasion for us to make some changes. A time for self-centering.