<http://schema.org/about>
"An archeological dig sheds new light on the rise of &lt;i&gt;Homo sapiens&lt;/i&gt; and the fall of the Neanderthals."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/blogs/cain-and-abel-mystery-solved>