Half-Million-Year-Old Structure: Rethinking Cavemen, Origins

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Lawrence Barham et al.: 'Annotated images of the BLB5 upper log (object 1033) showing areas of intentional modification From left to right, the location of the central notch in profile, shaping marks in and on the margins of the notch (a–k), the notch in profile from the opposite side. The image on the right shows the upper surface of the log, and the three parts of the log (1–3) separated by cracks. White arrows indicate locations of shaping facets on the sides and upper surface of the log.' (2023)

Wood generally doesn't last long if left out in the open. That's why finding interlocking logs near the Kalambo River is such a big deal. Well, part of the reason.

They've been submerged, it that's the right word, in wet sediment. For something like a half-million years. Which makes them part of the oldest known wooden structure.

More at A Catholic Citizen in America.

(The Kalambo River structure: interlocking logs that are a half-million years old. New data leads to rethinking old assumptions about "humans".)

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