Water passes through sandy soil like a sieve—any plants growing in sandy soil must be drought-tolerant, because water passes ...

Sometimes by this time in February, the hellebores planted many years ago in a flower bed are showing buds, but that hasn’t ...

Towering blue spruce trees shade the campsites and provide some privacy in the already secluded forest. Every site has creek access, making it perfect for those looking for a summertime escape. Be ...

Add a description, image, and links to the columnar-database topic page so that developers can more easily learn about it.

Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.

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 ...

These eruptions likely cast a volcanic winter over the northern hemisphere, impacting the trees at Mount Iškoras in Norway, where the study was conducted. "Blue rings look like unfinished growth ...

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 ...

Blue growth rings found in woody plant stems represent years when cells did not lignify properly because of summers too cold for growth When the going gets cold, even tough trees struggle with ...