<http://schema.org/description>
"A team from Harvard School of Engineering and Applied Sciences (SEAS) have managed to create an extremely tough gel that is capable of being stretched to 21 times its length. It is hoped that the gel, known as hydrogel, will be able to be used in replacing damaged cartilage in human joints."^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/harvard-team-create-extremely-stretchy-gel-to-replace-damaged-cartilage-in-joints/>