Since John Locke declared the child's mind a blank slate, philosophers have long debated the degree to which language-learning is innate. Are there are universal grammatical features that all languages share? Daniel Everett, who has spent many years among the Piraha, an Amazonian people who have a highly unusual language, believes that some of Noam Chomsky's claims about language acquisition are mistaken. Listen to him discussing the nature of language with Nigel Warburton in this episode of the Philosophy Bites podcast. Philosophy Bites is made in association with The Institute of Philosophy