<http://schema.org/mainEntityofPage>
<http://www.aol.com/article/2015/11/04/the-air-you-breathe-in-the-office-makes-you-dumber/21258737/>
<http://www.aol.com/article/2015/11/04/the-air-you-breathe-in-the-office-makes-you-dumber/21258737/>