He has written for the New York Times Magazine on computer training games that increase fluid intelligence, and the use of transcranial direct-current stimulation to improve intellectual abilities. In January he published his new book, Smarter: The New Science of Building Brainpower, as well as an article in theatlantic.com about sex and IQ. Mr. Hurley will speak to the Empiricist League about how to separate out the self-help baloney from the reliable science in this fast-evolving field.