Cairo Geniza
Medieval Jewish document archive in Old Cairo
Episodes
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#5891: Four Ways Humanity Kept Records for 1,200 YearsThe Shōsōin never burned. The Vatican lost a third of its archive. The Geniza kept 400,000 fragments by accident. Four preservation strategies. -
#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. -
#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. -
#3782: Ezra the Scribe vs. Hardware FailureWhat ancient text preservation teaches us about modern backup strategies that hardware redundancy can’t fix. -
#3235: From 5% to 46%: The Jewish Diaspora's Great InversionHow world Jewry went from 5% in Israel in 1900 to 46% today — and why the global population still hasn't recovered from 1939. -
#2581: Did Ancient Jews Have Leisure?Did ancient Jews ever relax, or was every moment supposed to be Torah study? The surprising history of leisure in Jewish tradition. -
#1301: Beyond Yiddish: The Secret History of Jewish LanguagesDiscover the "linguistic blueprint" that allowed Jewish communities to thrive from Baghdad to Brooklyn through unique fusion languages.