George Carlin already laid claim to the term "Brain droppings," so I can't call these by that name. These essays are more along the lines of columns.
“There is nothing to writing. All you do is sit down at a typewriter and bleed.”
― Ernest Hemingway
Anybody who writes, also reads. The best way to learn is studying how others did it so well, then use those lessons. Here's a longish essay on the writers I admire most.