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Closing the case on an ancient archeological mystery WSU archaeologist Jade D’Alpoim Guedes and an international team of researchers found that cooling global temperatures at the end of the Holocene Climatic Optimum, a 4,000 year period of warm weather, would have made it impossible for authentic craig robertson mens jersey ancient people on the Tibetan Plateau to cultivate millet, their primary food source. Guedes’ team’s research recently was published online in the Proceedings of the National Academy of Sciences. Her results provide the first convincing explanation for why the area’s original inhabitants either left or so abruptly changed their lifestyles. They also help explain the success of farmers who practiced martellus bennett mens authentic jersey wheat and barley agriculture in mens aj green jersey the region mens ryan clady jersey 300 years later. Unlike millet, wheat and barley have high frost tolerance and a low heat requirement, making them ideally womens dennis pitta jersey suited for the high altitudes and cold weather of eastern Tibet. "Wheat and barley came in at the opportune moment, right when millets were losing their ability to
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