Mo at Neurophilosophy reports on a new study about how humans associate touch with feminine or masculine faces:

The new findings provide further evidence that abstract concepts are grounded in sensory metaphors. Just as holding a heavy object makes us perceive an issue as being more important, and physical warmth makes us perceive an interpersonal relationship as also being warm, so does touching something tough or tender influence our mental representation of social categories such as sex. 

We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.