{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T11:51:11Z","timestamp":1773057071469,"version":"3.50.1"},"reference-count":11,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"6570","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Science"],"published-print":{"date-parts":[[2021,11,19]]},"abstract":"<jats:p>\n            Cooper\n            <jats:italic>et al<\/jats:italic>\n            . (Research Articles, 19 February 2021, p. 811) propose that a weakening geomagnetic field prior to the Laschamps Excursion explains megafaunal extinctions and human cultural changes that they claim happened 42,000 years ago. However, these authors misrepresent both the data and interpretations of cited work on extinctions and human cultural changes, so the specific claims they make about extinctions and cultural changes are false.\n          <\/jats:p>","DOI":"10.1126\/science.abh1878","type":"journal-article","created":{"date-parts":[[2021,11,18]],"date-time":"2021-11-18T18:53:45Z","timestamp":1637261625000},"source":"Crossref","is-referenced-by-count":4,"title":["Comment on \u201cA global environmental crisis 42,000 years ago\u201d"],"prefix":"10.1126","volume":"374","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3187-3755","authenticated-orcid":true,"given":"John","family":"Hawks","sequence":"first","affiliation":[{"name":"Department of Anthropology, University of Wisconsin, Madison, WI, USA, and Centre for the Exploration of the Deep Human Journey, University of the Witwatersrand, Johannesburg, South Africa."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"221","reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.abb8677"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.1111\/jbi.13101"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/ncomms10511"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-019-13277-0"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.aac4315"},{"key":"e_1_3_1_7_2","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1808647115"},{"key":"e_1_3_1_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jhevol.2013.12.007"},{"key":"e_1_3_1_9_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41559-018-0753-6"},{"key":"e_1_3_1_10_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.aap7778"},{"key":"e_1_3_1_11_2","doi-asserted-by":"publisher","DOI":"10.1126\/sciadv.abd4648"},{"key":"e_1_3_1_12_2","doi-asserted-by":"publisher","DOI":"10.1038\/d41586-018-05330-7"}],"container-title":["Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.science.org\/doi\/pdf\/10.1126\/science.abh1878","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,1,15]],"date-time":"2024-01-15T23:27:48Z","timestamp":1705361268000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.science.org\/doi\/10.1126\/science.abh1878"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,11,19]]},"references-count":11,"journal-issue":{"issue":"6570","published-print":{"date-parts":[[2021,11,19]]}},"alternative-id":["10.1126\/science.abh1878"],"URL":"https:\/\/doi.org\/10.1126\/science.abh1878","relation":{},"ISSN":["0036-8075","1095-9203"],"issn-type":[{"value":"0036-8075","type":"print"},{"value":"1095-9203","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,11,19]]},"article-number":"eabh1878"}}