Below are links to various issues of Aperture Magazine. Browse the different articles in each for some ideas on what you may want to look into in your research.
You can browse the covers and highlights of these issues on Aperture's website. Use the links below to get full access to each article (PDF format) through the library's subscription. If you'd like to explore issues you see on the website but are not listed here, use THIS LINK to browse their catalog.
Vox Darkroom has a series of videos that may give you inspiration for your own project ideas.