Oldness: how does learn new productive work-study practices?

I don't know how long the program will survive, but I have enjoyed MN's educational benefit for 62+ . Despite my overall senility I retain the skills of a medical student; I am good at doing school. But I could be better. I don't know what I don't know, but I do know there are post-90s study skills I could learn. Like today. I was thinking how annoying it is to take notes as I do my course reading…