DOI: 10.1126/science.1106983 , 1014 (2005); 308 Science et al. Feng Tian, A Hydrogen-Rich Early Earth Atmosphere www.sciencemag.org (this information is current as of March 13, 2009 ): The following resources related to this article are available online at http://www.sciencemag.org/cgi/content/full/308/5724/1014 version of this article at: including high-resolution figures, can be found in the online Updated information and services, http://www.sciencemag.org/cgi/content/full/1106983/DC1 can be found at: Supporting Online Material found at: can be related to this article A list of selected additional articles on the Science Web sites http://www.sciencemag.org/cgi/content/full/308/5724/1014#related-content http://www.sciencemag.org/cgi/content/full/308/5724/1014#otherarticles , 7 of which can be accessed for free: cites 19 articles This article 83 article(s) on the ISI Web of Science. cited by This article has been http://www.sciencemag.org/cgi/content/full/308/5724/1014#otherarticles 20 articles hosted by HighWire Press; see: cited by This article has been http://www.sciencemag.org/cgi/collection/atmos Atmospheric Science : subject collections This article appears in the following http://www.sciencemag.org/about/permissions.dtl in whole or in part can be found at: this article permission to reproduce of this article or about obtaining reprints Information about obtaining registered trademark of AAAS. is a Science 2005 by the American Association for the Advancement of Science; all rights reserved. The title Copyright American Association for the Advancement of Science, 1200 New York Avenue NW, Washington, DC 20005. (print ISSN 0036-8075; online ISSN 1095-9203) is published weekly, except the last week in December, by the Science on March 13, 2009 www.sciencemag.org Downloaded from