NASA has launched a new satellite to study water, not in oceans or lakes, but in the soil beneath our feet. This often overlooked repository of water can have big effects on weather, climate, drought and agriculture.
FULL STORY: http://science.nasa.gov/science-news/science-at-nasa/2015/06feb_smap/
ScienceCast video: http://youtu.be/ToO-tS-X2U4
