Trees need a certain number of warm days in their growing seasons to grow properly; otherwise, the cell walls of new growth ...

Scientists studying tree rings in northern Norway have linked ‘blue’ rings, caused by cold summers, to volcanic eruptions ...

Blue corn is an important food to the Navajo people. It’s the title of a new book of poems by Amber McCrary, "Blue Corn ...

How extreme weather leaves a lasting mark on trees and shrubs POZNAŃ, Poland — In the Arctic’s harsh borderlands, where trees ...

Blue growth rings in woody plant stems indicate years when cells failed to lignify properly due to summers that were too cold ...

Learn more about these signs of summertime cold, perhaps tied to volcanic activity in 1877 and 1902.

In order to grow properly, trees need an adequate period of warmth during their growing seasons; otherwise, the cell walls [… ...

California does have fairly good fire-prevention measures and requirements in its building codes. One of the most important ...

Researchers suspect volcanic eruptions in Central and South America may have led to cold summers in Norway between 1877 and ...

In Norway, scientists have found blue rings in trees that hint at how volcanic eruptions disrupted growth throughout history.

These rings are not just a visual anomaly but serve as natural archives of past cold summers. Researchers studying samples ...