<http://schema.org/alternativeHeadline>
"From sugar subsitutes to Soylent, 12 key moments in the human quest to create things we can eat that are not quite food"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bonappetit.com/entertaining-style/pop-culture/slideshow/history-of-food-substitutes?slide=13>