Cairo Geniza
corpus of manuscript fragments from the Jewish community in Egypt
Episodes
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#5262: How the Talmud Outlived Every Book BurningFrom the 1242 Paris burning to Sefaria's AI agents, the chain of transmission was never in the books — it was in the network.Main topic -
#5824: Herod's Four Walls: Why Only One Became the KotelHerod built four retaining walls around the Temple Mount. Three survive today — but only one became Judaism's holiest prayer site. Here's why. -
#5729: Why There Are 1,500 Kosher CertificationsOne product, three seals, and no way to tell which is "the" kosher one. How a single biblical sentence became a 1,500-agency industry.