Facts on File offers the database Science Online (not to be confused with Science, the premier journal from AAAS), which includes far more than simply a handy compilation of facts. The Science in the News feature is well worth a daily visit, bringing together news articles from around the world in easy-to-browse subject categories. A recent post in the "natural science" category, dated July 30, 2010, is of regional interest: New Research Examines Midwest Earthquakes. Melting ice sheets, rapid erosion from the Mississippi River, and stored stress from ancient mountain building in the Appalachians and Rocky Mountains once combined to produce mighty earthquakes in the middle of the country, where fault stress is longer a major concern.
Explore more at Science Online. [off-campus users: authenticate using VPN Client before following the links]