NatureRapid emergence of a maths gender gap in first gradeP. MartinotB. ColnetT. BredaJ. SultanL. TouitouP. HuguetE. SpelkeG. Dehaene-LambertzP. BressouxS. Dehaene2025-06-11Full textDOI https://doi.org/10.1038/s41586-025-09126-4