The eastern red cedar (Juniperus virginicum) is an evergreen conifer common to our region. It does well in sandy, gravely, ...

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 ...

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

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

The scientists collected core samples from 25 Scots pine trees and stem discs from 54 juniper shrubs, creating paper-thin ...

Strange blue rings found in Scandinavian trees leave scientists perplexed - Rings hint at unusually cold summers in Norway ...

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

Volcanic eruptions and cold summers leave lasting marks in the wood of northern trees, unlocking the secrets of past climate extremes.

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 ...

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

Since trees and shrubs can live for hundreds of years, identifying these blue rings allows us to spot cold summers in the past. By looking at pine trees and juniper shrubs from northern Norway ...