See also this journal on Christmas night.
"Adam Frank, an astrophysicist who writes for NPR's
13.7 blog, described dark matter by comparing it to
a ghost in a horror movie. You can't see it, he writes —
'but you know it's with you because it messes with
the things you can see. ' " — NPR.org this evening
See as well today's post Old News and the Nov. 4, 2008,
book on Charles Dickens, The Man Who Invented Christmas .