E 2007,Ann Morning hiiridi e modiɓɓe bayoloji Amerka ko ɓuri 40 nden moodiɓɓe Anturopoloji teɓe heɓi bayannuuji ɗi narridata dow yanayi kala laral boo wla bolle gooto hoo’uɗum ko nandi e ɗun gooto.