Overall, only 2.1% of the pine trees' rings and 1.3% of the juniper shrubs' rings were blue; the cells which hadn't lignified properly were mainly found at the end of growth rings, in latewood ...
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 ...
A blue ring formed in 1902 in a tree in northern Norway. Image by Pawel Matulewski and Liliana Siekacz. Image owned and provided by the authors and must be credited to Pawel Matulewski and Liliana ...
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’ ...
Blue Origin has just released a video recap (above) of last week’s successful maiden launch of its heavy-lift rocket, the New Glenn. The footage shows some dramatic close-ups of the 98-meter ...