<http://schema.org/alternativeHeadline>
"New study finds that currents sustain these microscopic plants, which absorb one-third of the carbon dioxide humans put into the air each year."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/climate-weather/stories/huge-phytoplankton-blooms-fueled-by-swirling-currents>