These eruptions likely cast a volcanic winter over the northern hemisphere, impacting the trees at Mount Iškoras in Norway, where the study was conducted. "Blue rings look like unfinished growth ...

Overall, only 2.1% of the pine trees' rings and 1.3% of the juniper shrubs' rings were blue; the cells which hadn't lignified properly were mainly found at the end of growth rings, in latewood ...

A blue ring formed in 1902 in a tree in northern Norway. Image by Pawel Matulewski and Liliana Siekacz. Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the ...

In Norway, scientists have found blue rings in trees that hint at how volcanic eruptions disrupted growth throughout history. Credits: Credits: Havardtl, CC BY 4.0, via Wikimedia Commons. Scientists ...

MADISON, Wis. — The Wisconsin State Capitol is ready for the holidays following the official holiday tree lighting ceremony Friday afternoon. The 32-foot tree is a balsam fir donated by the ...

A blue ring formed in 1902 in a tree in northern Norway. Credit: Image by Pawel Matulewski and Liliana Siekacz. Blue growth rings in woody plant stems indicate years when cells failed to lignify ...

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Blue growth rings found in woody plant stems represent years when cells did not lignify properly because of summers too cold for growth When the going gets cold, even tough trees struggle with ...

Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at tree rings — which can tell us far more than just the trees’ age. ‘Blue’ ...

(WFRV)- You might think of Christmas trees during the holiday, but they require year-round care. In this segment, our Retired Rambler discusses his trip to Whispering Pines Tree Farm and why they ...