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Homo erectus' tools include geodes and fossils, possibly as a way to connect with the cosmos
Homo erectus may have deliberately selected rocks embedded with fossils and crystals to craft their hand axes.
Someone made very sophisticated wooden tools in China 300,000 years ago, and it might have been Denisovans or even Homo erectus. The digging sticks, curved root-slicers, and a handful of somewhat ...
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