Some technical, some less so.

Links may break; please forgive my not fixing them.

11/8/04 Looking for the spark of a pandemic A phase transition in the random transposition random walk Several ways of looking at election returns: a purple map, a purple cartogram, a 3-D map, by numerical margins, turnout change, etc.. 10/22/04 What happened to Grothendieck The Cube Recurrence Not even 25,00 genes? 10/15/04 Sweepstaking Dimers and Dominoes Could lattice theory actually save lives? (more) Sampling regular graphs and a peer-to-peer network 10/08/04 Recent common ancestors (more) Birth control for giants Addicted to coffee? 10/01/04 Prove or Disprove. 100 Conjectures from the OEIS (track status) Cartograms via diffusion (more) New Bounds on the Number of Representations of t as a Binomial Coefficient (paper A8) A Sadistic Angel 9/24/04 How do cicadas count to 17, and why? Where Grothendieck came from Reactivating 1918 flu viruses—or their genes, at least 9/17/04 Is the Voynich manuscript a hoax? (more) (more) Physical cryptanalysis (this too) Winning quick and dirty: the greedy random walk Who's afraid of the Riemann hypothesis? (more) Random Cayley Graphs are Expanders: a Simple Proof of the Alon-Roichman Theorem The Rule of 12 Bonks 9/10/04 Nobel prize winner or TV critic? Probabilistic bounds on the coefficients of polynomials with only real zeros Is your iPod random, or just out to get you?