Curious, George: Old blog of superhero battle back-&-forth. I recall a wonderful blog in which two cartoon artists went back-and-forth conquering the previous day's superhero. For example maybe one day "Spike Hand Man" would beat the previous day's "Waterbed Man," and then the next day "Marshmellow Body Man" would beat "Spike Hand Man," and so forth. My Google-fu has failed me!

There's new courseware up at Open Yale Courses There's lots of open courseware out there, but Yale's is the most complete. Just today (or maybe yesterday), nine new courses were posted. more inside