By Terrence M. Tumpey, Christopher F. Basler, Patricia V. Aguilar, Hui Zeng, Alicia Solórzano, David E. Swayne, Nancy J. Cox, Jacqueline M. Katz, Jeffery K. Taubenberger, Peter Palese, Adolfo García-Sastre
By Jason W. Barnes, Robert H. Brown, Elizabeth P. Turtle, Alfred S. McEwen, Ralph D. Lorenz, Michael Janssen, Emily L. Schaller, Michael E. Brown, Bonnie J. Buratti, Christophe Sotin, Caitlin Griffith, Roger Clark, Jason Perry, Stephanie Fussner, John Barbara, Richard West, Charles Elachi, Antonin H. Bouchez, Henry G. Roe, Kevin H. Baines, Giancarlo Bellucci, Jean-Pierre Bibring, Fabrizio Capaccioni, Priscilla Cerroni, Michel Combes, Angioletta Coradini, Dale P. Cruikshank, Pierre Drossart, Vittorio Formisano, Ralf Jaumann, Yves Langevin, Dennis L. Matson, Thomas B. McCord, Phillip D. Nicholson, Bruno Sicardy
By A. Terracciano, A. M. Abdel-Khalek, N. Ádám, L. Adamovová, C.-k. Ahn, H.-n. Ahn, B. M. Alansari, L. Alcalay, J. Allik, A. Angleitner, M. D. Avia, L. E. Ayearst, C. Barbaranelli, A. Beer, M. A. Borg-Cunen, D. Bratko, M. Brunner-Sciarra, L. Budzinski, N. Camart, D. Dahourou, F. De Fruyt, M. P. de Lima, G. E. H. del Pilar, E. Diener, R. Falzon, K. Fernando, E. Ficková, R. Fischer, C. Flores-Mendoza, M. A. Ghayur, S. Gülgöz, B. Hagberg, J. Halberstadt, M. S. Halim, M. Hřebíčková, J. Humrichouse, H. H. Jensen, D. D. Jocic, F. H. Jónsson, B. Khoury, W. Klinkosz, G. Knežević, M. A. Lauri, N. Leibovich, T. A. Martin, I. Marušić, K. A. Mastor, D. Matsumoto, M. McRorie, B. Meshcheriakov, E. L. Mortensen, M. Munyae, J. Nagy, K. Nakazato, F. Nansubuga, S. Oishi, A. O. Ojedokun, F. Ostendorf, D. L. Paulhus, S. Pelevin, J.-M. Petot, N. Podobnik, J. L. Porrata, V. S. Pramila, G. Prentice, A. Realo, N. Reátegui, J.-P. Rolland, J. Rossier, W. Ruch, V. S. Rus, M. L. Sánchez-Bernardos, V. Schmidt, S. Sciculna-Calleja, A. Sekowski, J. Shakespeare-Finch, Y. Shimonaka, F. Simonetti, T. Sineshaw, J. Siuta, P. B. Smith, P. D. Trapnell, K. K. Trobst, L. Wang, M. Yik, A. Zupančič, R. R. McCrae
By Kevin C. Weng, Pedro C. Castilho, Jeffery M. Morrissette, Ana M. Landeira-Fernandez, David B. Holts, Robert J. Schallert, Kenneth J. Goldman, Barbara A. Block
By Vuk Koprivica, Kin-Sang Cho, Jong Bae Park, Glenn Yiu, Jasvinder Atwal, Bryan Gore, Jieun A. Kim, Estelle Lin, Marc Tessier-Lavigne, Dong Feng Chen, Zhigang He
By Olivier Pascual, Kristen B. Casper, Cathryn Kubera, Jing Zhang, Raquel Revilla-Sanchez, Jai-Yoon Sul, Hajime Takano, Stephen J. Moss, Ken McCarthy, Philip G. Haydon
By Jisheng Li, Haibing Yang, Wendy Ann Peer, Gregory Richter, Joshua Blakeslee, Anindita Bandyopadhyay, Boosaree Titapiwantakun, Soledad Undurraga, Mariya Khodakovskaya, Elizabeth L. Richards, Beth Krizek, Angus S. Murphy, Simon Gilroy, Roberto Gaxiola
COVER A set of Viewpoints in this issue of Science highlights the signaling pathways that control the cellular life cycle, from undifferentiated stem cells to cell death by apoptosis. These signaling pathways are represented by canonical pathways, as well as pathways specific to rice, Arabidopsis, and humans, in the Connections Maps database at Science's STKE. [Illustration: Chris Bickel]
