Cognoscenti is the opinion page of WBUR-FM (a public radio station owned by Boston University). They publish commentaries on a wide range of topics including “politics, culture, sports, law, medicine, innovation, religion, media, parenting and style.” Submissions should be between 750 and 1,000 words. According to an old payment report, they paid $0.07 for a 760-words article. To learn more, refer to their submission guidelines.