“Though actually the work of man's hands - or, more properly speaking, the work of his travelling feet, - roads have long since come to seem so much a part of Nature that we have grown to think of them as a feature of the landscape no less natural than rocks and trees.”
“Using adult stem cells drawn from bone marrow and umbilical cord blood system cells, scientists have discovered new treatments for scores of diseases and conditions such as Parkinson's disease, juvenile diabetes, and spinal cord injuries.”