These chili pepper links were incredibly helpful in learning more about the origins and uses of chili peppers around the world. Visit them for a wealth of well-sourced and reliable information.
Research
Chili Pepper Institute – New Mexico State University – The premier Chili Pepper research institution in the United States, great resource on chili species, genome, and its diverse uses.
Tewksbury Lab – University of Washington – A research center focusing on the connection between natural history and global ecology, has funded several chili pepper studies.
History
Kew Gardens – A quick overview of chili pepper history
Cooking
Chili Pepper Madness– Great site with recipes, a blog, and information about chili peppers and cooking.