I think we all have a need to know what we do not need to know.
A good article that I found recently is about memory, an important key for learning, working, many parts in our lives. The article by Ashish Ranpura tries to answer serveral burning questions – what are the different type of memories, how memory are made of, and can memory be improved. How we remember stuff – Why we forget stuff? It is a quick read but a good overview piece: