Prof. Brian MacWhinney from Carnegie Mellon University was invited to give a speech about the limits of age differences on language learning. Brian MacWhinney is a Professor of Psychology and Modern Languages at Carnegie Mellon University, who is specializes in first and second language acquisition, psycholinguistics, and the neurological bases of language. The speech was held on March 22nd under the initiation of Aim for the Top University office. The topic is “Biological(?) Limits on Success in Second Language Learning”, discussing the difference in language of people from different age groups.