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Cover Figure

COVER This week's Focus Issue highlights the nucleus (see the Editorial Guide [;2007/415/eg11]). Articles and resources at STKE focus on signaling within the nucleus, as well as transport between the nucleus and the cytoplasm. The image depicts an artist's rendition of a cell nucleus. [Image: Christopher Bickel , AAAS]

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Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882