National Public Radio: Like other animals and many living things, we humans grow when we're young and then stop growing once we mature. But trees, it turns out, are an exception to this general rule. In fact, scientists have discovered that trees grow faster the older they get.
Once trees reach a certain height, they do stop getting taller. So many foresters figured that tree growth - and girth - also slowed with age.
"What we found was the exact opposite," says Nate Stephenson, a forest ecologist with the U.S. Geological...