<http://schema.org/alternativeHeadline>
"Satellite-enabled Instant Wild cameras send high-resolution images of Antarctic penguins to researchers so they can observe how melting sea ice affects the birds' populations."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/new-technology-enables-researchers-to-study-penguins-in-real-time>