<http://schema.org/about>
"Few stories have the power to captivate us more than those that remain unresolved. Codes, puzzles and cryptic public art tease us with their intrigue. Here's ou"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/photos/10-of-the-worlds-biggest-unsolved-mysteries/the-wow-signal>