America's science legacy

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Science  20 Nov 2015:
Vol. 350, Issue 6263, pp. 891
DOI: 10.1126/science.aad8408

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In 1863, U.S. President Abraham Lincoln delivered his now famous Gettysburg Address on the open field of that bloody Civil War battle. Not many speeches by political leaders get remembered beyond the moment. Even fewer ever get cut into stone. In this case, of course, both are true. We know the words. We recite passages from it. And, in its entirety, the speech graces a wall of the Lincoln Memorial in Washington, DC.