<http://schema.org/alternativeHeadline>
"Paleo-Eskimos likely survived in near-total isolation for thousands of years and did not pass on genes to Neo-Eskimos or Native Americans."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/no-descendants-are-left-from-the-first-arctic-eskimos>