Thanks to the American Mathematical Society, Dartmouth is giving away the much-praised textbook, Introduction to Probability by Charles M. Grinstead and J. Laurie Snell, as free etext. The website also includes computer programs to go along with the book.

Introducing the Web's only user-created city guides, designed by both local experts and self-proclaimed know-it-alls.

The plan is under way, and the aim is to make it happen on August 25 and 26 2006. We're aiming for a place near the beach (or with proper pool access for everyone) to take advantage of the sunny mid-summer weather. If you've never been to Portugal, get re

Digital timetable and course/fare search software for japanese railways.