The NAI scientists who put an innovative "tree of life" online last year now have made that same resource available -- for free -- for iPhone users. The new "TimeTree" application lets anyone with an Apple iPhone harness a vast Internet storehouse of data about the diversity of life, from bacteria to humans. The intuitive interface is designed to answer a simple question, quickly and authoritatively: how long ago did species A and species B share a common ancestor? For more information: http://live.psu.edu/story/48526#nw63 [Source: NAI]
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