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This photo provided by researchers shows Kalambo Falls in Zambia in 2019. A pair of crossed logs found on a riverbed nearby may be the oldest evidence of early humans building with wood, nearly half a million years old, according to a study published Wednesday, Sept. 19, 2023 in the journal Nature. (Geoff Duller/Aberystwyth University via AP)

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This simple log structure may be the oldest example of early humans building with wood
September 20, 2023 11:25 a.m.

This simple log structure may be the oldest example of early humans building with wood

It's nearly half a million years old and provides a rare look at how ancient human relatives were working with wood and changing their environments