This photograph depicts Drosophila melanogaster, better known as the fruit fly, in flight while tied with tungsten wires. Capable of flapping its wings 200 times per second, the fruit fly is a wonderful creature. By taking still photographs with exposure times on the order of a hundredth of a second, the mechanics of the wing flapping can be revealed. This image is part of a student project investigating mutations in myosin, a muscle protein that causes familial hypertrophic cardiomyopathy (a disease of the heart muscle). By introducing the mutations into the fly, altered muscle performance can be revealed, including in this case the amplitude of wing strokes during flight.