Yellow Pine, a name sometimes given to the ponderosa pine, found in the western United States, and also to such southern pine trees as the longleaf, slash, shortleaf, and loblolly.
Thinking allows us to solve problems, plan ahead and defend ourselves from outside threats. It's what separates us from "lower" life-forms like plants, right? Well, maybe not.
Though they may be stuck in one place, plants have proven to possess a surprising array of capabilities. But the ability to feel pain? Scientists are learning that the possibility isn't as crazy as it sounds.