Approximation relating lg, ln, and log10 by John Cook
Digits in Power of 2 by John Cook
Rise and Fall of Third Normal Form by John Cook
The Crown Game Affair : Fascinating account on how cheating in chess was detected and caught.
Introduction to Conditional Random Field : Eerily similar to HMM, that's perhaps why there was many "cute" ideas published on it in the past.
Stuff Harvard People Like by Ed Checn: Entertaining post. I do know some people from MIT and the study fits to the stereotype I recognize. For Harvard, not as much, some are really mellow fellows. Also, not every one in a school is savvy in computers. So the samples Ed Chen collected may or may not be representative. (To his credit, he named all his assumptions in his post.)