A Natural Language Search is a way of expressing a query in simple language without having to use Boolean operators.
If you are looking for articles about life on
other planets, you can conduct a Natural Language Search by typing Is there life on other planets. 
Choose to return articles by Relevance or Date and select Search.
Your query searches the database for articles that contain most of the words that you entered and returns an article list.
The following predefined set of stop words are eliminated when a Natural Language Search is performed:
a, about, after, all, also, an, any, and, are, as, at, be, because, been, but, by, can, co, crop, could, for, from, had, has, have, he, her, his, if, in, inc, into, is, it, its, last, more, most, mr, mrs, mz, no, not, only, of, one, on, or, other, out, over, so, says, she, some, such, s, than, that, the, their, there, they, this, to, was, where, we, when, which, who, will, with, would, up
The search engine automatically deletes all stop words and searches only for the remaining search terms. In the example above -- Is there life on other planets -- the search engine automatically disregards the words is, there and other, and searches only for the words life, on and planets.
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