Latitudinal variation in light levels drives human visual system size (Northern Humans Had Bigger Brains)

Latitudinal variation in light levels drives human visual system size Eiluned Pearce* and Robin Dunbar Institute of Cognitive and Evolutionary Anthropology, University of Oxford, 64 Banbury Road, Oxford OX2 6PN, UK Ambient light levels influence visual system size in birds and primates. Here, we argue that the same is true for humans. Light levels, in … Continue reading

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