40,000-Year-Old Symbols Found in Caves Worldwide May Be the Earliest Written Language
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40,000-Year-Old Symbols Found in Caves Worldwide May Be the Earliest Written Language https://www.openculture.com/2025/09/40000-year-old-symbols-found-in-caves-worldwide-may-be-the-earliest-written-language.html -
Daisugi, the 600-Year-Old Japanese Technique of Growing Trees Out of Other Trees, Creating Perfectly Straight Lumberhttps://www.openculture.com/2020/10/daisugi.html#google_vignetteDaisugi, the 600-Year-Old Japanese Technique of Growing Trees Out of Other Trees, Creating Perfectly Straight Lumber
https://www.openculture.com/2020/10/daisugi.html#google_vignette