Climate change caused empire's fall, tree rings reveal

(Phys.org) —A handful of tree ring samples stored in an old cigar box have shed unexpected light on the ancient world, thanks to research by archaeologist Sturt Manning and collaborators at Cornell, Arizona, Chicago, Oxford ...

Tree-ring science takes on the modern age

Whether it's learning how forests respond to environmental change or answering questions about the history of ancient cultures, trees continue to be a solid source of information for many kinds of researchers.

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