This was the article I read: http://www.npr.org/blogs/health/2013/12/30/258313116/mapping-emotions-on-the-body-love-makes-us-warm-all-over http://www.npr.org/bl

This was the article I read: http://www.npr.org/blogs/health/2013/12/30/258313116/mapping-emotions-on-the-body-love-makes-us-warm-all-over http://www.npr.org/blogs/health/2013/12/30/258313116/mapping... However, I lost track of the arxiv URL. The Y(HN) links directly to the paper.