The social learning and development of intra- and inter-ethnic sharing norms in the Congo Basin - Sheina Lew-Levy; Luke Maurits; Adam H. Boyette; Kate Ellis-Davies; Daniel Haun; Wilson Vieira; Ardain Dzabatou; Bienvenue Mbongo; Francy Kiabiya Ntamboudila; Roger Ndenguele; Harriet Over; Bailey R. House; et al. (PLoS ONE, 2026)