A. “I felt really alone and isolated at school. This “outsider” feeling drove me to take risks and prove doubters wrong, and later influenced my choices as a scientist.” --- Nobel laureate Jennifer Doudna Figure 1 Jennifer Doudna B. Thinking is not unlike running. For both, periods of rest are necessary. For both, training and practice are necessary. For both, there are good days and bad. For both, there are desires, limitations, hard work, and huge satisfaction. C. Great teachers need great students as much as great students need great teachers.