So maybe Noam Chomsky was right after all? This news is about a week old now, but Science Daily reported that a new study indicates there may indeed be some basic grammar rules built into the human brain. The study's methodology is actually just as interesting as the results. I won't give everything away before you read the article, but it has to do with green aliens and made-up languages.
In regard to the results, one of the authors of the study, Jennifer Culbertson, said, "What this study suggests is that the problem of acquisition is made simpler by the fact that learners already know some important things about human languages--in this case, that certain words [sic] orders are likely to occur and others are not."