A new NASA image may look like a typical black-and-white image of a dramatic landscape, but it tells a story of temperature. The dark waters of the Salton Sea pop in the middle of the Southern California desert. Crops create a checkerboard pattern stretching south to the Mexican border.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/YTwRKTtk6H4" height="1" width="1"/>
