Stone Age engraving traditions appear on ostrich eggshells | Science News

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Stone Age engraving traditions appear on ostrich eggshells

Standardized designs identified on 60,000-year-old water containers

By
3:04pm, March 1, 2010

Long before human communication evolved into incessant tapping on computer keys, people scratched on eggshells.

Don’t laugh—researchers say a cache of ostrich eggshells engraved with geometric designs demonstrates the existence of a symbolic communication system around 60,000 years ago among African hunter-gatherers.

The unusually large sample of 270 engraved eggshell fragments, mostly excavated over the past several years at Diepkloof Rock Shelter in South Africa, displays

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