In Praise of Hard Questions

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Science  01 Jul 2005:
Vol. 309, Issue 5731, pp. 76-77
DOI: 10.1126/science.309.5731.76

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On Science's 125th anniversary, we celebrate the great, hard questions that point to critical gaps in our scientific knowledge. The process of figuring out what we don't know makes science forever self-renewing--and demolishes the notion that science's job will ever be done.