{
  "name": "Spider dragline silk, high-tensile steel, Kevlar and nylon: strength, stretch, toughness and density",
  "desc": "Strength, stretch at break, toughness and relative density of spider dragline silk, high-tensile steel, Kevlar 49 and nylon, one row per material per source as printed in the cited tables and papers, with stretch values as listed; nothing averaged across sources.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Ants, Cells & Atoms",
  "url": "https://antscellsandatoms.com/insects/spider-silk/",
  "from": [
    "Brough et al. 2024 Table 1, Fraternali et al. 2020 Table 1 (including the Nephila clavipes row), Agnarsson et al. 2010 (text and Figure 4 legend), Greco & Pugno 2020 Table 1, as published"
  ],
  "how": "Compiled by Ants, Cells & Atoms from the data listed",
  "data_by": [
    "Brough HA, Cheneler D, Hardy JG 2024, Biomacromolecules 25(11):6987-7014, Table 1 (citing Agnarsson et al. 2010 and Gosline et al. 1999), CC BY 4.0, https://doi.org/10.1021/acs.biomac.4c01122, retrieved 2026-10-25",
    "Fraternali F et al. 2020, Nanomaterials 10(8):1510, Table 1 (citing Omenetto and Kaplan 2010, and Elices et al. 2005 for the Nephila clavipes row), CC BY 4.0, https://doi.org/10.3390/nano10081510, retrieved 2026-10-25",
    "Agnarsson I, Kuntner M, Blackledge TA 2010, PLoS ONE 5(9):e11234, CC BY 4.0, https://doi.org/10.1371/journal.pone.0011234, retrieved 2026-10-25",
    "Greco G, Pugno NM 2020, Molecules 25(12):2938, Table 1, CC BY 4.0, https://doi.org/10.3390/molecules25122938, retrieved 2026-10-25"
  ]
}