READ STONE TOOLS AS FORGETTING

We have built an entire framework of Neanderthal cognition on materials that cannot rot. In a Spanish site, dissolved limestone precipitated around wooden tools and preserved them. Shafts, handles, worked edges that should have vanished 100,000 years ago. The finding is straightforward: Neanderthals made wooden implements with intention and care. The implication is not. We have been reading absence as inability.

This is the third time paleoanthropology has made this correction. At Blombos Cave 100,000 years ago, ochre processing revealed symbolic thinking and chemical knowledge. At Klasies River 80,000 years ago, worked bone showed craft sophistication beyond stone. Each discovery arrived with the same gravitational pull: the stone record alone had lied by omission. We mistook our preservation bias for evidence of their limitation.

The pattern matters more than any single site. When you anchor your entire understanding of a mind to what survives by accident, you build a systematic underestimate. Stone tools persist. Wooden hafts, sinew bindings, pigmented ochre, carved bone — these decay, leach away, vanish into soil chemistry. What remains becomes the archive, and the archive becomes truth. We named it scholarship. It was survival bias dressed in rigor.

What changes now is not just Neanderthal capability but our willingness to sit with what we cannot know. The wooden tools suggest something harder to measure: planning that extended into material we cannot recover, adaptation to environments using substances we will never see, hands that made things we have no record of. We look at stone and infer limitation. We should look at stone and admit: this is only what the rock kept. Everything else we erased through forgetting.

When you work within constraints. A budget, a medium, the tools available — the absence of a thing does not prove it was not imagined. The Neanderthal record teaches us this about ourselves. We assume what we can measure is what matters. Every revision upward from wood and bone suggests we have been wrong about what we can measure at all.