<http://schema.org/alternativeHeadline>
"Flies have tiny muscles that allow them to make adjustments in mid-flight, and until recently, scientists were unable to get a good look at just how the muscles work."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/flys-rapid-wing-flutters-could-inspire-mini-drones>