<http://schema.org/alternativeHeadline>
"Two new studies show that 5-year-olds exposed in the womb to above-average levels of pollution score lower on IQ tests."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/family/family-activities/blogs/baby-brains-damaged-by-in-utero-pollution-exposure>