I am trying to read 5 articles per day to train my speed. However, I can't really find an ideal sources for 1500 words articles. The selected articles from Scientific American posted on DAT Bootcamp are mostly around 500--800 words, and some of them require subscription. New York Times has long articles, but you can only read 20 articles per month for free. In addition, they only have around 20 scientific articles on the website, and I don't know how often they update. I also tried Science...
Sources for long scientific articles?
Sources for long scientific articles?