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Cover Figure

COVER This week's issue features a Research Article on TRPM1, an ion channel that is found predominantly in cells that produce the pigment melanin. The image shows the hands of individuals with differing amounts of melanin in their skin. [Image: Diamond Sky Images/Getty Images]

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