April Wilkerson shows how to make art prints using tree ring slices, turning a simple material into stunning artwork. Poll Reveals Harris’ Approval Rating in California Scarlett Johansson Says ...

Other studies have also used tree rings to track mercury levels, but not in gold-mining regions of the tropics. “While the technique itself is not new,” Gerson adds in another statement, ...

Ficus insipida tree rings as biomonitors for gaseous elemental mercury in the artisanal gold mining-impacted Peruvian Amazon. Frontiers in Environmental Science , 2025; 13 DOI: 10.3389/fenvs.2025. ...

New research has found that some tropical trees in the Peruvian Amazon can be used to monitor mercury pollution from gold mining, offering an alternative to expensive air monitors.. Roughly 16 ...

Tilt estimation in CTFFIND5 follows a strategy that is similar to the implementation in CTFTILT (Mindell and Grigorieff, 2003).The tilt axis direction ϕ and tilt angle θ are determined by fitting Thon ...

Installation view of Tiffany Shlain and Ken Goldberg, Ancient Wisdom for a Future Ecology: Trees, Time, and Technology at the Skirball Cultural Center, Los Angeles (all photos David S. Rubin ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their ...

If you cut down a tree, you can read in the wood an environmental record. Now climate change is complicating the narrative. In a basement in Tucson, Ariz., slices of tree trunks stand on shelves ...

Spread the loveIntroduction: Counting tree rings, also known as dendrochronology, is a popular way to determine the age of a tree. The method has been used since ancient times, with scholars and ...

Tree size (stem diameter at root collar) was also included as a predictor because growth-ring widths are known to change with tree size. We included all 2-way interactions between fixed effects, ...