By dispersing, guppies move away from areas of heavy predation, minimize competition with one another and keep the species' genetic variability high, the researchers said.

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Going back to my stated goal of being in a high tax bracket, one of the strangest stories of taxation is the variability of top income tax rates over the years.

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The runoff of Zongo Glacier Bolivia, 16S shows an appreciable seasonal variability, with low discharges in the dry season May to August and high values in the humid season October to March .

UNESCO: Dublin Core