CC0 Usage Conditions ApplyClick for more information. Archaeologists believe the sudden destruction of a pre-Columbian civilization found in southern Illinois occurred around 1150 AD. But to find the ...
Most people are familiar with the notion that "tree rings" — the concentric bands visible on a cross-section of a tree's trunk — serve as an indicator of a tree's age. Researchers at the University of ...
A new study leveraging 20,000 tree-ring records and nearly 150 scientists' contributions from across the globe shows that, while droughts appear to have had a modest impact on tropical tree growth in ...
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