By Carl Zimmer, New York Times/Science, May 16/17, 2013
An article that summarizes the recent work of Ya-Ping Zhang, a geneticist at the Chinese Academy of Sciences, who has led an international network of scientists who have compared pieces of DNA from different canines which is pointing to the theory that dogs domesticated themselves.
But the article's message is not just what it first appears to be. When you get to the concluding paragraphs there are some real though provokers:
[....] SLC6A4 may have played a crucial part in this change, because serotonin influences aggression.
To test these ideas,...