identifying these blue rings allows us to spot cold summers in the past. By looking at pine trees and juniper shrubs from northern Norway, scientists identified two extremely cold summers in 1902 ...

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’ ...

Juniper shrubs are getting a second look ... durable groundcover brings lovely texture and a refreshing blue-green tone to a landscape with moss-like foliage that is soft to the touch.

identifying these blue rings allows us to spot cold summers in the past. By looking at pine trees and juniper shrubs from northern Norway, scientists identified two extremely cold summers in 1902 ...

researchers found that blue rings were common between 1902 and 1877. Around 96 per cent of pine trees and 70 per cent of juniper shrubs revealed blue rings from 1902 and 84 per cent of trees and ...