Watch Modern Marvels online: Episode 64 Cola Wars

Coke vs Pepsi for world supremacy. Each year, Americans consume more soft drinks than tap water. Available in nearly 200 countries, Coca-Cola alone sells one-billion bottles, cans, and glasses of pop daily, with archenemy Pepsi-Cola a close second. We look at the legendary rivalry between these giants in a $100-billion industry built on little more than sugar and water as they battle not just to quench consumer thirst, but for their hearts and minds as well

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