A few things on this planet are old enough to make history books look recent, and that includes some living trees that have ...

To determine a tree's age, scientists collect a core sample from the plant's base and then count its rings. This dating of tree rings is called dendrochronology and it can be a valuable tool for ...

Counting the rings on the sample can tell us the trees' age, but it can also tell us what weather patterns were like each year. NOAA explains, “trees will have narrow rings during cold periods ...

We have a natural fascination with time—how landscapes have been carved over millennia, how our bodies grow and sag with age, how the stars traverse the sky each night. Scientists probe the layers ...

We took this sample in July 2021, after the tree should already have been growing for months. No sign of cells indicating new growth could be seen. As a dendrochronologist , I examine tree rings ...

Tree-ring sample with avalanche event scar labeled. (USGS) Across North America, tree cookies build out a long history of fire, climate, and human activity.

The tree ring samples were gathered from 13 sites around the intersection of the Chic-Choc and McGerrigle ranges, in areas that have never been clearcut by the forestry industry.

Subsequent coring and analysis of Methuselah by Tom Harlan at the Laboratory of Tree-Ring Research dated the innermost tree ring to 2491 BCE. Thus, in 2023 Methuselah’s age would be 4,514 years old.

RI HISTORY How tree rings help make a case that a 19th century shipwreck in Argentina could be a ship built in Warren, R.I. “I was really excited,” said researcher Ignacio Mundo.

And the tree ring building is round, to architecturally represent a tree. It felt like a perfect merging of architecture, shape, sound, data, wood material and science.

Half a century later, scientists at Lamont-Doherty used some of Giddings’ samples. With tree-ring records from Giddings and others in Alaska and the real weather-station data gathered at the ...

Tree ring data from the Pacific Northwest reveal that the region’s average summer temperature in 2021 was the highest since at least the year 950. Skip to content Subscribe or renew today ...