The Regeneron Science Talent Search honored Isani Singh,  a senior at Cherry Creek High School in Greenwood Village, for her work on a rare genetic disorder, and Kyle Fridberg, a senior at Fairview High School in Boulder, for creating a new compound that could make lithium batteries safer. The teens won a combined $230,000. They tell Colorado Matters details about their projects, as well as their motivations, and what comes next.