http://www.seedmagazine.com/news/2008/06/cultural_evolution.php?page=all&p=y
Despite the great difficulties of building a comprehensive theory of cultural change deserving of the label of "evolution," progress in that direction has begun. We are finally starting to understand the patterns of culture change and the role of natural selection in shaping them. And since everything from weapons of mass destruction to global heating are the results of changes in human culture over time, acquiring a fundamental understanding of cultural evolution just might be the key to saving civilization from itself.

