<http://schema.org/about>
"That image of a caveman gnawing on a hunk of bison meat may need a makeover. A new chemical analysis of modern diets suggests Stone Age humans ate less meat tha"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/stone-age-diet-secret-cavemen-ate-less-meat-than-we-thought>