<http://schema.org/description>
"London, Aug 23 (ANI): Scientists have designed an artificial surface that allows stem cells to stay alive and continue reproducing themselves for at least three months."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.oneindia.com/2010/08/23/artificialway-to-grow-stem-cells-discovered.html>