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Trust rather than lust is at the heart of the attention to detail and finely made form of handaxes from around 1.7 million years ago, according to a University of York researcher.

Dr Penny Spikins, from the Department of Archaeology, suggests a desire to prove their trustworthiness, rather than a need to demonstrate their physical fitness as a mate, was the driving force behind the fine crafting of handaxes by Homo erectus/ergaster in the Lower Palaeolithic period.