<http://schema.org/alternativeHeadline>
"Researchers are investigating how to harness the body's own energy to power medical devices. MIT and Harvard researchers have demonstrated in guinea pigs that they can use the energy produced by the inner ear to power tiny sensors."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/videos/using-the-human-body-to-power-medical-devices>