I just love the snarky tone -- and headline -- of this excellent piece by Charles Choi. It looks like oxytocin's action in our brains may be more complex than I, for one, like to think.

Goody-Goody Hormone Now Linked to Envy, Gloating
http://www.scientificamerican.com/article.cfm?id=oxytocin-hormone

The story reports on research by Simone Shamay-Tsoory of the University of Haifa.
Thanks to Michael for sending me the link!