<http://schema.org/url>
<http://www.mnn.com/health/fitness-well-being/stories/are-you-a-righty-or-a-lefty-genes-behind-handedness-found>
<http://www.mnn.com/health/fitness-well-being/stories/are-you-a-righty-or-a-lefty-genes-behind-handedness-found>