Sensory Lab

Coffee is roughly two percent of the cup. The rest is water. What’s dissolved in it, why it changes extraction, and how to adjust it at home.

The Maillard reaction is why coffee tastes like coffee. What happens to the bean during roasting, and what a very dark roast is really doing.

Oxygen, heat, light and moisture decide how long coffee stays fresh after you open the bag. What the research found and what to do at home.

A roast date tells you when a coffee was roasted; a Best By date doesn’t. What each date means, what happens after roasting, and three things to check on a bag.

Coffee Science Are You Really Drinking Specialty Coffee? The bag in your kitchen probably says something encouraging. “Premium.” “Artisanal.” “Small batch.” Maybe it even says

Coffee Science The Hidden Cost of Inconsistent Coffee: Why Supermarket Beans Taste Burnt In this article 01 The Science of the Roast 02 The Dark

Specialty coffee is not a marketing term. It is a measurable quality grade scored by certified Q Graders on a 100-point scale. Learn what the SCA score means, why it matters, and how to start drinking better coffee.

Most stomach discomfort from coffee comes from low-quality beans, not acidity itself. Learn what actually causes harsh coffee, what makes a naturally low-acid cup, and why specialty grade beans are gentler than treated alternatives.

The SCA score is coffee’s equivalent of a wine rating — a standardized 100-point evaluation by certified Q Graders. Learn how the cupping protocol works, what the numbers mean, and why most brands don’t show their score.