Microfossils of the Early Archean Apex Chert: New Evidence of the Antiquity of Life Author(s): J. William Schopf Reviewed work(s): Source: Science, New Series, Vol. 260, No. 5108 (Apr. 30, 1993), pp. 640-646 Published by: American Association for the Advancement of Science Stable URL: http://www.jstor.org/stable/2881249 . Accessed: 07/04/2012 21:09 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact
[email protected]. American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve and extend access to Science. http://www.jstor.org REFERENCESAND NOTES 9. Y. Hiwatari,in Molecular Dynamics Simulations, F. (World Scientific, Singapore, 1988), vol. 1, p. Yonezawa, Ed., vol. 113 of Springer Series in 247. 1. H. Takayama, News Letter No. 1 (Research Group Solid State Sciences (Springer-Verlag, Heidel- 23. F. Yonezawa, S. Sakamoto, M. Hori, J. Non-Ctyst. on a new project, "Computational Physics as a berg, 1992), p. 32. Solids 137, 135 (1991). New Frontier in Condensed Matter Research" 10. S. Fujiwara and F. Yonezawa, in preparation. 24. F. Yonezawa and S. Sakamoto, Optoelectronics- under the support of the Grant-in-Aidfor Scientific 11.