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Cover Figure

COVER This week features a Connections Map Overview on signaling from the angiotensin II receptor and the two paths by which mitogen-activated protein kinase can be activated. [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