Five things to do in the garden this week: Fruit. An excellent choice for a small ornamental tree with year-round interest is the kumquat or one of its hybrids, which do not eclipse eight feet in ...

Students from West Boulevard Elementary School tapped maple trees to make maple syrup. The fifth graders took part in maple sugaring at Boone County Nature School. "It's a pretty simple process. The ...

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 cause of this climatic event remains unclear, scientists say.

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 ...

Taken from a tree in Norway, this stained tree sample shows a blue ring from 1902. (Credit: Pawel Matulewski and Liliana Siekacz) Human skin isn't the only thing that can change color after facing the ...

Languages: English. In the frigid landscapes of northern Norway, an unusual phenomenon etched into the rings of trees and shrubs has offered a glimpse into the Earth's climatic history.