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About the Cover

Cover Figure


COVER A scanning tunneling microscopy image of a high-temperature superconductor (bottom) shows the regular atomic periodicity of the crystal. Simultaneously measured ratios of electron injection to extraction (top, yellow) reveal strong variations in electronic structure. See page 1380. Image: Yuhki Kohsaka

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Science. ISSN 0036-8075 (print), 1095-9203 (online)