A recent New York Times opinion piece titled "You Can Vote, But You Can't Choose What is True," highlighted the difference between opinion and empirical fact. This is a valuable reminder in the era of "fake news," when people choose what they want to believe and sometimes seem to pay more attention to the source of the news than its content. But Professor Harari's column makes a mistake in arguing that we should leave chemistry to the chemists, physics to the physicists, etc. In fact, we should be careful about over-idealizing science. When I wrote a blog post last year about the role of intuitive thinking in legal decision-making , several people wrote back to say in effect "that's all very well for lawyers, but fortunately scientific decisions are more rational." Unfortunately, this isn't true. Scientists' beliefs about the world are not necessarily any more valid than anyone else's, and scientists are just as prone to logic...