<http://schema.org/alternativeHeadline>
"These caterpillars don't have to worry about nicotine's toxic effects on their health as they are hundreds of times more resistant to nicotine than humans."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/smoking-caterpillar-uses-nicotine-for-survival>