EPISODE · Mar 21, 2026 · 3 MIN
The Engines of Our Ingenuity 1541: History and Horseshoe Nails
from Engines of Our Ingenuity · host Dr. John Lienhard
Episode: 1541 Do 'Horseshoe Nails' really alter human history? Today, we ask if horseshoe nails are real.
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The Engines of Our Ingenuity 1541: History and Horseshoe Nails
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