Since trees and shrubs live long lives, some as many as thousands of years, scientists can pinpoint the past’s chilliest summers by searching for these blue rings. Selecting Mount Iškoras in Norway ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad 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 ...

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 ...

The researchers, who published the study in the journal Frontiers in Plant Science, found that the blue rings pointed to extreme cooling during the summers of 1902 and 1877, directly coinciding with ...

He is a native English speaker. The fossilized remains of Whitebark pine trees found beneath a melting ice patch in the Yellowstone region were once part of an ancient forest that thrived for ...

California’s eco-bureaucrats halted a wildfire prevention project near the Pacific Palisades to protect an endangered shrub. It’s just the latest clash between fire safety and conservation in ...

A row of pine trees dating to the ‘70s has been cut down at the Benton County Fairgrounds, sacrificed along with grass and shrubs to accommodate about 370 new parking spots at the main entrance.