Early isotopic evidence for maize as a staple grain in the Americas.

Sci Adv · 2020 · PMC7269666 · PMID 32537504

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

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highly significantno p-value reported

MHCP and ST are highly significant because they are the only archeological sites in the Americas with a relatively continuous diachronic sample of human skeletal material spanning the past 10,000 years.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.