I just received this week's issue of the journal, Science (June 6, 2008). The cover story is titled (Unmasking The Indus), and is a 10 page update on all the earlier limited reports on this very early civilization. It expands their geographical and chronological boundaries, as well as what is known of their technology. It is an oft-quoted journal, so most articles in it are too technical for those such as me. But this article is easily read....and I plan to get back to it right now.