This is the best summary I could come up with:

The University of Liverpool scientist leads the Deep Roots of Humanity research project, which excavated and analysed the ancient timber.

Team member Perrice Nkombwe, from the Livingstone Museum, in Zambia, said: "I was amazed to know that woodworking was such a deep-rooted tradition.

Until now, evidence for the human use of wood has been limited to making fire and crafting tools such as digging sticks and spears.

Grains of rock absorb natural radioactivity from the environment over time - essentially charging up like tiny batteries, as Prof Duller put it.

“With this discovery, we hope to enrich our collection and use the finds to inform the interpretation of the woodworking tradition in Zambia,” Ms Nkombwe said.

Continuing the work at the Kalambo Falls site, she added, “has the potential to deepen our knowledge of ancient woodworking techniques, craftsmanship, and human interactions with the environment”.

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