Some random collected tips on writing and presenting

Ten simple rules for getting published, speaking well, giving a good poster, etc.

Halmos on mathematical writing

Writing Tips for Non-Writers Who Don't Want to Work at Writing

Some basic stuff

Some nice papers by and collected by Tufte

Steele's tips for grad students

Some info on writing grants; this is a good list to keep in mind.

Some thoughts on doing good science by Hamming

Liam Paninski's home