{
  "name": "Explanations offered for the giant insects of 300 million years ago",
  "desc": "Seven explanations and findings bearing on whether oxygen set the size of Paleozoic giant insects, one per row with who proposed it, the kind of evidence, whether it supports or challenges the oxygen link, a qualifier and how much of the source was read.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Ants, Cells & Atoms",
  "url": "https://antscellsandatoms.com/insects/how-insects-breathe/",
  "from": [
    "Dudley 1998 (abstract); Harrison et al. 2010 (abstract); Kaiser et al. 2007 (abstract); Clapham & Karr 2012 (abstract); Verberk & Bilton 2011 (full text); Verberk et al. 2021 (full text)"
  ],
  "how": "Compiled by Ants, Cells & Atoms from the data listed",
  "data_by": [
    "Dudley R 1998, Journal of Experimental Biology 201(8):1043-1050, https://doi.org/10.1242/jeb.201.8.1043 (abstract), retrieved 2026-10-24",
    "Harrison JF, Kaiser A, VandenBrooks JM 2010, Proceedings of the Royal Society B 277(1690):1937-1946, https://doi.org/10.1098/rspb.2010.0001 (abstract), retrieved 2026-10-24",
    "Kaiser A et al. 2007, PNAS 104(32):13198-13203, https://doi.org/10.1073/pnas.0611544104 (abstract), retrieved 2026-10-24",
    "Clapham ME, Karr JA 2012, PNAS 109(27):10927-10930, https://doi.org/10.1073/pnas.1204026109 (abstract), retrieved 2026-10-24",
    "Verberk WCEP, Bilton DT 2011, PLoS ONE 6(7):e22610, CC BY 4.0, https://doi.org/10.1371/journal.pone.0022610, retrieved 2026-10-24",
    "Verberk WCEP et al. 2021, Biological Reviews 96(1):247-268, CC BY 4.0, https://doi.org/10.1111/brv.12653, retrieved 2026-10-24"
  ]
}