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By cgfi on December 08th, 2008
FICKLE SUN BROUGHT DOWN ANCIENT EMPERORS, BY: DENNIS T. AVERY
CHURCHVILLE, VA—A North China cave stalagmite just produced an amazingly precise record of China’s rainfall over the past 1800 years, proving that variations in the sun’s activity—through weaker monsoons and poor rice crops—helped bring down three historic Chinese dynasties (the Tang, Yuan, and Ming dynasties).
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In contrast, the sun sent abundant rainfall for the Song [...]
