tedster - 11:39 pm on Aug 20, 2010 (gmt 0)
@the_nerd - you didn't miss anything. Instead it looks like you were one of the very first to spot a change that Google was rolling out.
Here's what seems to be going on. Google formally announced a big change today. For some query terms, more than two results can be shown from the same website. It depends on whether the query term lines up with user intention, as Google's data show it.
Today we've launched a change to our ranking algorithm that will make it much easier for users to find a large number of results from a single site. For queries that indicate a strong user interest in a particular domain, like [exhibitions at amnh], we'll now show more results from the relevant site
Showing more results from a domain [googlewebmastercentral.blogspot.com]
For some interesting examples try these two searches: