<http://schema.org/description>
"A research team led by Chao Zhang of Peking University in Beijing, China has come up with a color-coded smart tag that uses nanotechnology to tell when the food or drugs in a package are in danger of spoiling.\r\n"^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/gel-tag/31266/>