The Science of Coffee

James Harper

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About

The Science of Coffee is a journey into coffee’s hidden microscopic secrets to help you make even better coffee at home. Documentary maker and coffee professional James Harper travels the world and speaks with leading coffee scientists to help you appreciate coffee more deeply. You are going to get taken into the science of water, coffee extraction, plant genetics, espresso technology, latte foam, sonic seasoning, our sense of taste and smell, organic farming, roasting, grinding and freshness, and how to think like a scientist. Press the Subscribe button so you don’t miss future episodes! The Science of Coffee is a...

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Recent episodes

  • Coffee Quality, Part 3: When the “quality” myth hits the farmDec 8, 2025 · 30 min
  • Coffee Quality, Part 2: How “quality” became a mythDec 8, 2025 · 26 min
  • Coffee Quality, Part 1: The birth of specialty coffee flavoursDec 8, 2025 · 24 min
  • How specialty coffee woke up to water’s role in flavourJul 28, 2025 · 26 min
  • The two ingredients in water that ruin your coffee, and the ancient story behind themJul 28, 2025 · 39 min
  • Getting great water for coffee, step-by-step. Part 2: How to measure and treat your waterJul 14, 2025 · 43 min
  • Getting great water for coffee, step-by-step. Part 1: Alkalinity, hardness and why it mattersJul 14, 2025 · 26 min
  • Farm to port: why specialty costs moreJun 23, 2025 · 54 min
  • Why one Colombian farmer chose specialty, and the other walked awayJun 9, 2025 · 47 min
  • The hard business of selling beautiful coffee, part 2May 19, 2025 · 39 min

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