A car cannot be reduced to an engine, just as a person cannot be reduced to a brain. Cameron Spencer/Getty Images hide caption toggle caption Cameron Spencer/Getty Images 13.7: Cosmos And Culture Science And The Allure Of 'Nothing But' December 16, 2012 Science offers us Nothing But and we like it. Why? Why do we like to be told that we are nothing but our brains, when, after all, this is patently untrue? Alva Noë presses the question.