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Extinction Countdown

Can Google’s page-rank algorithm help save endangered species and ecosystems?

Google HP on Earth Day 2008

When users seek information from Google, the search engine relies on a proprietary algorithm called PageRank™ to determine the order of the sites that show up in search results. Now, two researchers say a similar algorithm can be used to determine which species are critical to the preservation of ecosystems, allowing scientists to focus conservation [...]

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