Science Express http://www.sciencemag.org Online publication of Science papers, in advance of print publication American Association for the Advancement of Science Stewart Wills (mailto:swills@aaas.org) Copyright 2009 American Association for the Advancement of Science 2009-11-19T13:51:22-05:00 en Science http://www.sciencemag.org/icons/banner/title.gif http://www.sciencemag.org [Report] Overexpression of Alpha2A-Adrenergic Receptors Contributes to Type 2 Diabetes http://www.sciencemag.org/cgi/content/abstract/science.1176827?rss=1 Sequence variations in an adrenergic receptor gene cause reduced insulin secretion and contribute to type 2 diabetes.<br><br>Authors: Anders H. Rosengren , Ramunas Jokubka , Damon Tojjar , Charlotte Granhall , Ola Hansson , Dai-Qing Li , Vini Nagaraj , Thomas M. Reinbothe , Jonatan Tuncel , Lena Eliasson , Leif Groop , Patrik Rorsman , Albert Salehi , Valeriya Lyssenko , Holger Luthman , Erik Renström Anders H. Rosengren [Report] Direct Imaging of Bridged Twin Protoplanetary Disks in a Young Multiple Star http://www.sciencemag.org/cgi/content/abstract/science.1179679?rss=1 An infrared image taken with the Subaru Telescope reveals young binary stars and their circumstellar environments.<br><br>Authors: Satoshi Mayama , Motohide Tamura , Tomoyuki Hanawa , Tomoaki Matsumoto , Miki Ishii , Tae-Soo Pyo , Hiroshi Suto , Takahiro Naoi , Tomoyuki Kudo , Jun Hashimoto , Shogo Nishiyama , Masayuki Kuzuhara , Masahiko Hayashi Satoshi Mayama [Research Article] Phosphorylation of H2A by Bub1 Prevents Chromosomal Instability Through Localizing Shugoshin http://www.sciencemag.org/cgi/content/abstract/science.1180189?rss=1 Phosphorylation of the chromatin protein histone H2A plays a critical role in chromosome segregation during cell division.<br><br>Authors: Shigehiro A. Kawashima , Yuya Yamagishi , Takashi Honda , Kei-ichiro Ishiguro , Yoshinori Watanabe Shigehiro A. Kawashima [Report] Gigahertz Dynamics of a Strongly Driven Single Quantum Spin http://www.sciencemag.org/cgi/content/abstract/science.1181193?rss=1 Fast spin-flips are observed in the nitrogen vacancy centers in diamond.<br><br>Authors: G. D. Fuchs , V. V. Dobrovitski , D. M. Toyli , F. J. Heremans , D. D. Awschalom G. D. Fuchs [Report] Universality in Three- and Four-Body Bound States of Ultracold Atoms http://www.sciencemag.org/cgi/content/abstract/science.1182840?rss=1 The interactions involved in the formation of few-body bound states can be probed in a cloud of ultracold atoms.<br><br>Authors: Scott E. Pollack , Daniel Dries , Randall G. Hulet Scott E. Pollack