Searchers can limit a search to a specific date range as well as sort results by date.
Northern Light's Custom Search Folders are unique in allowing a searcher to quickly see an overview of the themes from a search and to drill down to more precise information quickly. Northern Light Technology, headquartered in Cambridge, MA, was founded in 1996 by a seasoned management team of librarians, software engineers, and Internet professionals who recognize the need to fill a void left by other search engines and private research services. Today, Northern Light's search engine is the world's most powerful, indexing more than 160 million Web pages and 5,900 premium full-text sources previously only available to subscribers of expensive online services.