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Understanding the World's Greatest Structures: Science and Innovation from Antiquity to Modernity S1 Ep4: From Wood to Steel - Properties of MaterialsHow materials profoundly influence the form, function and structure of great buildings, bridges and towers; using steel as a benchmark; comparing the structural properties of wood, masonry, concrete and iron; seeing the materials at work.

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Now PlayingUnderstanding the World's Greatest Structures: Science and Innovation from Antiquity to Modernity S1 Ep4: From Wood to Steel - Properties of MaterialsHow materials profoundly influence the form, function and structure of great buildings, bridges and towers; using steel as a benchmark; comparing the structural properties of wood, masonry, concrete and iron; seeing the materials at work.0Food: A Cultural Culinary History S1 Ep1: Hunting, Gathering, and Stone Age CookingFood as a major catalyst in human history; what food choices reveal about one's values and ambitions; studying food culture in prehistoric times; a wide-ranging diet; the ways in which how human ancestors ate directly drove evolution.