<http://schema.org/description>
"In the world of flight, it&amp;#039;s a fine line between flying high and falling fast. Can you name 10 of the innovations that keep planes and their passengers airborne?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/transport/flight/modern/10-aviation-innovations5.htm>