<http://schema.org/about>
"We've heard of barcoding trees to prevent deforestation, and tagging animals to track them for scientific purposes is an everyday practice. But what about barcoding the DNA of"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/will-barcoding-dna-save-species-on-the-brink.html>