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Silencer Select siRNAs

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About the Cover

Cover Figure


COVER Massive thumb (33 centimeters along outer arc) and smaller third claw from the hand of an ~11-meter-long dinosaur that was recently discovered in the remote Ténéré Desert of the Niger Republic. This sail-backed predator apparently used its long, narrow snout to capture fish along the banks of broad rivers around 100 million years ago. See page 1298. [Photo: Paul Sereno, Michael Roberts, Hans Larsson]


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