<http://schema.org/about>
"After your cup of coffee has perked you up, you can use the leftover grounds to fertilize your garden. A new study has found another possible use for them: elim"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/healthy-spaces/stories/retrofitted-coffee-grounds-can-absorb-toxic-gases>