<http://schema.org/alternativeHeadline>
"To moisten the air in your abode, grab some plants, put out some dishes of water, and get cooking. (Don't worry, you're not going to cook your plants.)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/healthy-spaces/questions/how-can-i-naturally-humidify-my-home>