Searching for the Right Search Engine

Researchers now have it all on the World Wide Web: facts on virtually any topic, available from the far corners of the globe, unfiltered by reporters, editors, or publishers, and usually free. But sometimes we feel that we have too much information -- often way too much -- and that it may not be correct.

Despite the latest flurry of prime-time ads by search-engine vendors boasting that they can find anything you want online, search engines can't distinguish

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