An excellent article about a fascinating subject. It is well-sourced, with a helpful link to the study itself. (Note to readers: The Abstract of the study is available via the link, however, accessing the full study requires a login). Nonetheless, the Abstract is in and of itself a worthwhile read. Very good expository quotes and commentary. Additionally, the Author does a splendid job of making the scientific nomenclature accessible to the lay reader. A decidedly worthwhile read which will leave the prospective reader well-informed about the subject matter. Four stars!