A massive cross-section of an old white oak that grew near the Thames River, or Deshkan Ziibi, at Western University, will now serve as a teaching resource at the school's new Office of Indigenous ...
Annual tree rings record a detailed history of drought (narrow rings) and wetness (wide rings). This sample from a dead Douglas-fir tree in the Santa Catalina Mountains near Tucson, Ariz., has nearly ...
Loading external pages may require significantly more data usage than loading CBC Lite story pages. A massive cross-section of an old white oak that grew near the Thames River, or Deshkan Ziibi, at ...
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