I believe that the short story is as different a form from the novel as poetry is, and the best stories seem to me to be perhaps closer in spirit to poetry than to novels.
I teach one semester a year, and this year I'm just teaching one course during that semester, a writing workshop for older students in their late 20s and early 30s, people in our graduate program who are already working on a manuscript and trying to bring it to completion.
Memory is funny. Once you hit a vein the problem is not how to remember but how to control the flow.