What's the Brooklyn Historical Society doing these days? One way to find out is via the this excellent blog. Here, the generally curious can find everything from topical maps documenting the expansion of this celebrated borough to musings on neighborhood change from Park Slope to Red Hook. The Photo of the Week feature is a great place to start as it contains a weekly selection culled from their voluminous collection of over 100,000 photos. Recent installments have featured ice wagons, kosher restaurants, and more. Each post also includes a range of digital and offline resources that can be utilized to enhance visitors' understanding of various matters.