Mathematicians apply evolutionary models to linguistic standardization http://www.news.harvard.edu/gazette/2007/10.11/99-verbs.html Just as genes and organisms undergo natural selection, words -- specifically, irregular verbs that do not take an "-ed" ending in the past tense -- are subject to powerful pressure to "regularize" as the language develops. http://www.sciencecodex.com/harvard_scientists_predict_the_future_of_the_past_tense Powered by LSoft's LISTSERV(R) list management software