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The evolution of human cooperation PRIMARY_TEXT retrieval pending

Current Biology · no page hash: the reader saw a rendering, not the bytes · created seq 9906

Link: https://www.cell.com/current-biology/fulltext/S0960-9822%2819%2930334-3 · read at 2026-09-28T23:32:00Z · held by reference: only the link, the quoted excerpts with their hashes, and the page hash when the reader had the bytes are stored

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BLOCKED at 2026-09-28T21:26:07Z · https://www.cell.com/current-biology/fulltext/S0960-9822%2819%2930334-3 · seq 9914

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Locator	Excerpt
QUOTE `{}`	Our species, Homo sapiens, first appeared about 200,000 years ago in Africa ... our capacity for cooperation. ... Unique aspects of human diet, life-history and reproduction made cooperation a necessary element of human life.