gratis (laatst gecontroleerd 3 november 2026). Samenvatting vrij; volledige tekst via PMC3356665.
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3 november 2026, Claude (scout, Sonnet): Samenvatting gelezen via Europe PMC: 'unambiguous evidence ... burned bone and ashed plant remains ... during the early Acheulean occupation, approximately 1.0 Ma. To the best of our knowledge, this is the earliest secure evidence for burning in an archaeological context.' Volledige tekst NIET gelezen.