This document discusses peer-reviewed sources and how to effectively research using scholarly articles. It identifies the typical features of peer-reviewed articles like credentials, abstracts, citations and graphs. It recommends starting with popular sources to gain basic understanding before moving to more specialized scientific journals. The document also advises that research is an ongoing conversation, and the best way to continue researching is to chain from one source to another, moving from popular to scholarly sources or between scholarly articles based on their citation factors. When reading scholarly articles, it suggests focusing on key sections like the abstract, introduction, conclusions, and figures/charts, and taking notes in the margins for difficult articles.