Word: cyclopean
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Dates: during 2000-2009
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...Valleys need climate records that extend over a longer period of time, and now it appears they may finally have them. In November, the University of Illinois' Doran and his colleagues retrieved a series of sediment cores from the bottom of three lakes that march up Taylor Valley like Cyclopean footprints: Fryxell, Hoare and Bonney. These cores are layered like the pages of a history book, and the record of geochemical shifts they contain can be used to reconstruct lake levels and stream flow for past centuries. Doran thinks that the record from Lake Fryxell may extend back...