If a tree smiles in a woodlot and there is no one there to see it, is it really smiling? Maybe, if it has heard about two companies working in areas that may some day relieve the burden on over-harvested forests.
Last August, Kevin Warwick had a silicon chip transponder implanted in his arm, linking him directly to a computer network that allowed computer signals to travel in and out of his body. Doctors implanted the transponder during a 15-minute operation that required only a local anesthetic.