Chip Chick on MSN2mon
These Bizarre Blue Tree Rings Are Unveiling Details About Cold Summers From A Century AgoIn order to grow properly, trees need an adequate period of warmth during their growing seasons; otherwise, the cell walls of ...
Blue rings found in the stems of trees and bushes in Norway point to a historic cold period in the late 1800s, but the exact ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback