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Foam Structures with a Negative Poisson's Ratio Author(s): Roderic Lakes Source: Science, New Series, Vol. 235, No. 4792 (Feb. 27, 1987), pp. 1038-1040 Published by: American Association for the Advancement of Science Stable URL: http://www.jstor.org/stable/1698767 . Accessed: 12/01/2015 15:12 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 This content downloaded from 129.82.227.84 on Mon, 12 Jan 2015 15:12:57 PM All use subject to JSTOR Terms and Conditions

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  • Foam Structures with a Negative Poisson's RatioAuthor(s): Roderic LakesSource: Science, New Series, Vol. 235, No. 4792 (Feb. 27, 1987), pp. 1038-1040Published by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/1698767 .Accessed: 12/01/2015 15:12

    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 ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact [email protected].

    .

    American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve andextend access to Science.

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  • This content downloaded from 129.82.227.84 on Mon, 12 Jan 2015 15:12:57 PMAll use subject to JSTOR Terms and Conditions

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  • This content downloaded from 129.82.227.84 on Mon, 12 Jan 2015 15:12:57 PMAll use subject to JSTOR Terms and Conditions

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  • This content downloaded from 129.82.227.84 on Mon, 12 Jan 2015 15:12:57 PMAll use subject to JSTOR Terms and Conditions

    http://www.jstor.org/page/info/about/policies/terms.jsp

    Article Contentsp. 1038p. 1039p. 1040

    Issue Table of ContentsScience, New Series, Vol. 235, No. 4792 (Feb. 27, 1987), pp. 945-1116Front Matter [pp. 945-1089]Materials Science [p. 953]LettersTextbook Controversy [p. 955]Homelessness [pp. 955-956]Homelessness: Response [p. 956]

    Erratum: Females Choice of 'Good Genotypes' as Mates is Promoted By an Insect Mating System. [p. 956]Erratum: Reagan Okays the Supercollider. [p. 956]PerspectiveStructure, Function, and Assembly of Membrane Proteins [pp. 959-961]

    News & CommentThe Dark Side of SDI [pp. 962-963]AAAS BriefingExpanding Deserts, Shrinking Resources [p. 963]Nuclear Tests Defended [pp. 963-964]AIDS Stresses Health Care in San Francisco [p. 964]"We're Killing Our World" [p. 964]

    Space Station Cost Estimates Double [p. 965]Pilot Program Cuts Red Tape for Federal Grants [p. 966]BriefingBroader Public Role Sought in Biotechnology [p. 966]

    "Competitiveness" Bill Goes to Congress [p. 967]NSF to Formulate 5-Year Plan, Budget [p. 967]Release of Soviet Dissidents Continues [p. 968]Academy to Drop Issues Quarterly [p. 968]DOD to Reassess Bioweapons' Risks [p. 968]

    Research NewsFour Legs Bad, Two Legs Good [pp. 969-971]Glimpses of Solar Systems in the Making [pp. 971-972]Milankovitch Climate Cycles through the Ages [pp. 973-974]Polyphosphoinositide Research Updated [pp. 974-976]

    Disordered Materials: A Survey of Amorphous Solids [pp. 997-1002]Optical Materials [pp. 1003-1009]The Art and Science of Microstructural Control [pp. 1010-1014]Hierarchical Structure in Polymeric Materials [pp. 1015-1022]Artificially Structured Thin-Film Materials and Interfaces [pp. 1023-1028]Electronic Theory for Materials Science [pp. 1029-1035]ReportsFunctional Box-Counting and Multiple Elliptical Dimensions in Rain [pp. 1036-1038]Foam Structures with a Negative Poisson's Ratio [pp. 1038-1040]Encystation and Expression of Cyst Antigens by Giardia lamblia in vitro [pp. 1040-1043]Bilirubin is an Antioxidant of Possible Physiological Importance [pp. 1043-1046]Construction of a General Human Chromosome Jumping Library, with Application to Cystic Fibrosis [pp. 1046-1049]Solution of a Protein Crystal Structure with a Model Obtained from NMR Interproton Distance Restraints [pp. 1049-1053]Isolation of an Olfactory cDNA: Similarity to Retinol-Binding Protein Suggests a Role in Olfaction [pp. 1053-1056]RNA Complementary to a Herpesvirus $\alpha $ Gene mRNA is Prominent in Latently Infected Neurons [pp. 1056-1059]Construction of Synthetic Immunogen: Use of New T-Helper Epitope on Malaria Circumsporozoite Protein [pp. 1059-1062]Apogeotropic Roots in an Amazon Rain Forest [pp. 1062-1064]Relationship between the c-myb Locus and the 6q--Chromosomal Aberration in Leukemias and Lymphomas [pp. 1064-1067]Absence of Significant Cellular Dilution during ADH-Stimulated Water Reabsorption [pp. 1068-1070]Arginine Vasopressin as a Thyrotropin-Releasing Hormone [pp. 1070-1073]

    Technical CommentsTrans-activator Gene of HTLV-II: Interpretation [p. 1073]

    Book ReviewsReview: Verifying Arms Control Agreements [pp. 1090-1091]Review: Anorogenic Granite Complexes [p. 1091]Review: Particle Detectors [pp. 1091-1092]Review: Women Scientists [p. 1092]

    Software ReviewsReview: Personal Bibliographic Databases [pp. 1093-1096]

    Back Matter [pp. 1092-1116]