Pendant #Howtomake #Tutorial #LanAnhHandmade #Copperwire You can turn on subtitles by clicking the CC icon at the bottom of a YouTube video * The parameters I give are for reference only. Size and ...

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 ...

Scientists in Norway have found blue rings in trees that hint at how volcanic eruptions disrupted growth throughout history. When scientists test tree samples to study the ages through their rings, ...