Dietary Evolution Neanderthals Cultural Evolution Comparative Anatomy Hominids Language Cultural Accumulation Communication Evolution Comparative Behavior Hominin Lineage Mortuary Practices Ancestry Developmental Biology Hominin Evolution Hominin Behavior Coexistence Early Humans Species Coexistence Neanderthal Legacy Vestigial Structures Language Evolution Common Ancestors Cognitive Evolution Pleistocene Epoch Artistic Evolution Primate Evolution Genomic Studies Genetic Change Cumulative Culture Language Origins Social Learning Middle Pleistocene Epoch Cultural Adaptations Cultural Insights
Organoid experiments pinpoint prenatal sex steroids as drivers of human brain expansion.