"Air Guitar is the embodiment of the music that you hear, and so when you hear a rock song that really grabs you, just those steel hooks in your rib cage, you start miming it out.

VOA: special.2009.08.14

Another group lived in what the researchers call an enriched environment up to 20 mice per cage,with toys, hiding places,and running wheels.

VOA: standard.2010.07.14