General Skills
Working with auditory stimuli and sound files
Career
Career and grant advice
Drugmonkey's blog is a wealth of fantastic advice. One of my favorites.
Writing
People sometimes give Strunk & White's Elements of Style a hard time, but it has a lot of good advice and is a great place to start.
For people at Wash U, the Writing Center is a free resource (located on the Danforth campus) providing both classes and one-on-one tutoring.
The Clinical Chemistry Guide to Scientific Writing has good general advice.
Science and the English Language applies some advice from George Orwell's essay Politics and the English Language (also well worth reading) to scientific writing.