Swine flu may be inspiring fear worldwide, but for Stephan Zielinski of San Francisco, California, it inspired a song. The virus has the classification H1N1 because it includes two key viral proteins, hemagglutinin (H) and neuraminidase (N). Zielinski took the genetic sequence of a variant of hemagglutinin and created a computer algorithm to turn it into music. Zielinski, 41, is not a biochemist or a professional musician -- he's a writer, photographer, computer programmer, and blogger who creates music in his spare time. But he's fascinated that, even though biologists can map the genome of the virus and predict what...