<http://schema.org/about>
"Back in 2009, scientists posed that we should start freezing corals in liquid nitrogen when it became clear that corals are going through extreme difficulties with pollution, the chance in the ocean's pH balance, and"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/smithsonian-freezing-coral-embryos-to-save-great-barrier-reef.html>