<http://schema.org/alternativeHeadline>
"Researcher says he has created living cells made of metal instead of carbon \u2014 and they may be evolving."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/scientist-creates-lifelike-cells-out-of-metal?page=10>