Like careful note-takers during the past 1,250 years, Engelmann spruce trees high in the Yellowstone National Park backcountry have left behind a record of how harsh summer temperatures have been. A ...
If a tree's rings are studied in a lab but no one hears them, do they make noise in the climate movement? An associate professor of oboe at the University of Arizona wondered. It led her to team up ...
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A close-up of some oak tree rings. The porous earlywood is formed during the spring and the darker latewood is formed in the summer time. Researchers will soon be able to reconstruct the climate of ...
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