Using tree-ring data from ancient oaks ... imperial control disintegrated as raiders looted freely across the countryside. Rome’s grip slipped. Britain entered what one archaeologist has ...

Throughout the spring and summer, small groups roamed and plundered the countryside ... The study used oak tree-ring records to reconstruct temperature and precipitation levels in southern ...

Well, tree-ring dating, or dendrochronology, can be this precise, and even more so. Dendrochronologists showed that an ancient wooden road uncovered in southwestern England not only was built in ...

The narrowing of the rings that formed from the 1560s through the 1590s indicates that the tree grew little during the 16th century megadrought. Advanced Search Home ...

ITHACA, N.Y. – Wild fig tree rings offer a cheap method for tracking toxic atmospheric mercury, a byproduct of gold mining in the Global South, according to a new Cornell University study.

THE CANADIAN PRESS/Alexandre Pace *MANDATORY CREDIT * Quebec tree rings dating back nearly 200 years indicate snowpack in the Gaspésie mountains has declined considerably in recent decades ...