expand reading blocks

[ajdamico]

add journalism, academic, or general example finding, just to be explicit about how statistics from the dataset translates to a precise and usable sentence. add one bullet with a sentence/finding that the dataset allows users to conclude, better than any other? [Author name(s)] determined [finding](link) with chapter_tag, year

if publications not promoted by data-provider nor wikipedia, search pnas, nber, nejm, etc.