The Usability of Passwords looks at ways to make passwords more secure. Worth reading.
YUI 3.x Preview Release 2. If you find the Yahoo! User Interface helpful, the new release includes Widget and Plugin infrastructures.
A W3C course in Mobile Web Best Practices is available. It takes about 2 hours a week through June and July, costs 99euros. Here’s the full course description. IMO, it would be wonderful if a large number of university instructors who are training future web professionals were able to take this course.