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    headlines = [ "Caltech Scientists Describe the Delicate Balance in the Brain that Controls Fear","http://media.caltech.edu/press_releases/13393","TEDTalk Tuesday","http://today.caltech.edu/","Earnest C. Watson Lecture","http://events.caltech.edu/events/event-7762.html","Alvarez on Alaska","http://today.caltech.edu/","Young Scientists Face Off at Siemens Competition","http://weblab.caltech.edu/features/67","p<sup>+</sup> Shooter","http://weblab.caltech.edu/features/68" ];