Blue growth rings in woody plant stems indicate years when cells failed to lignify properly due to summers that were too cold ...

The scientists collected core samples from 25 Scots pine trees and stem discs from 54 juniper shrubs, creating paper-thin ...

Selecting Mount Iškoras in Norway for a search for blue rings, a team of researchers took samples from 25 pine trees and 54 juniper shrubs, representing the species Pinus sylvestris and Juniperus ...

In order to grow properly, trees need an adequate period of warmth during their growing seasons; otherwise, the cell walls [… ...

Blue corn is an important food to the Navajo people. It’s the title of a new book of poems by Amber McCrary, "Blue Corn ...

Strange blue rings found in Scandinavian trees leave scientists perplexed - Rings hint at unusually cold summers in Norway ...

My blue star fern sits on an old schoolhouse desk beside my couch. I guess I have had it for three or four years now. It is ...

In March of 2021, a shooter walked into my neighborhood King Soopers and used a semi-automatic pistol paired with multiple high-capacity magazines to enable him to murder 10 of our beloved ...

A rare breed of star recently discovered by the Hubble Space Telescope spins faster by feeding on its stellar siblings.

Since trees and shrubs can live for hundreds of years, identifying these blue rings allows us to spot cold summers in the past. By looking at pine trees and juniper shrubs from northern Norway, ...