By ALYSSA VAN DOORN The Outside Story The longer, warmer days of spring spark phenological changes in trees, from root to tip ...

But there's much more information to be gleaned from growth rings than simply a tree's age. This information comes to us through the science of dendrochronology. Tree rings can reveal more than ...

That model can be applied to the rings that formed before climate records began to reconstruct past conditions. The challenge ...

Tree ring widths, which reflect the dry or wet conditions affecting tree growth annually, provide valuable proxy climate data from before historical recordkeeping began. Rui Guo and colleagues ...

trees need an adequate period of warmth during their growing seasons; otherwise, the cell walls of new growth won't develop ...

Mercury concentrations in fig trees could provide useful information about mining activity in the rainforest over time ...

In the depths of a Chilean rainforest stands the 'Gran Abuelo,' an approximately 5,400-year-old tree fighting for survival. A ...

Tree rings can reveal more than just a tree's age. The basis of dendrochronology lies in a tree's unique pattern of growth rings. The rings form a kind of fingerprint—actually, with its ...