Workers at the Max Planck Institute in Leipzig intend creating tiny brain organoids, with and without, Neanderthal DNA in an attempt to determine what really distinguishes Homo sapiens from its nearest evolutionary relative (https://www.theguardian.com/science/2018/may/11/scientists-to-grow-mini-brains-using-neanderthal-dna). Whilst the study might cast light on subtle neurological processes, there are a plethora of somatic, cultural and geographical factors that might well account for the eventual success of our species.
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