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Lessons from a Science Education Portal

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Science  23 Dec 2011:
Vol. 334, Issue 6063, pp. 1657-1658
DOI: 10.1126/science.1197074

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When Cold Spring Harbor Laboratory's DNA Learning Center (DNALC) launched its Web site in 1996,, we did not foresee that it would grow into a portal for 18 content sites reaching more than seven million visitors per year. The evolution of our multimedia efforts and the challenges along the way provide lessons for building learning resources or to attract larger audiences.