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 ...

It actually experiences a growth spurt—with new cells growing between the previous year's tree ring and the tree's bark. The cells that grow during this initial period are large. As the season ...

The Columbia observatory and research institution welcomed more than 2,000 visitors for its special 75th anniversary ...

Then, they stained these samples and photographed them under a microscope so that the growth ... The post These Bizarre Blue ...