<http://schema.org/alternativeHeadline>
"The first public taste test of a burger grown in-vitro from stem cells revealed a burger with intense flavor that looked very similar to meat."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/food/healthy-eating/blogs/burger-created-from-stem-cells-has-quite-a-bite>