Spiral ring with spherical stone - Simple jewelry from copper wire This ring pattern can use any size of stone you have ( ...

Ask any second grader what you can do with the rings on a tree, and they’ll respond, “Learn the age of the tree!” They’re not wrong, but dendrochronology—the dating of trees based on patterns in their ...

Earthquake effects are often thought of in terms of the human impact, be that fatalities or destruction to homes and infrastructure. However, the environmental toll can also be damaging, and new ...

Once you look at trees through the eyes of a dendrochronologist, you never quite see the leafy wonders the same way again. Peel away the hard, rough bark and there is a living document, history ...

The activity below allows you to build a tree-ring chronology. Each horizontal bar represents the tree-ring pattern for one tree. By looking for matches in the patterns, you should be able to build an ...