The Brew Blog

Specialty coffee tastes fruity because of real flavor compounds — not added flavoring. Here's the science of where fruit notes come from and which coffees produce them.

Does terroir exist in coffee? Yes — here's how altitude, soil, climate, and genetics shape cup character, and what it means for the coffees you drink.

Body and mouthfeel are the tactile dimensions of coffee — from light and tea-like to heavy and syrupy. Here's what produces them and how to evaluate them.

Sweetness is the quality that separates great specialty coffee from everything else. Here's what produces natural sweetness in coffee and why it's so hard to achieve.

Bitterness and astringency are not the same thing — and fixing the wrong one makes it worse. Here's what each one is, what causes it, and how to fix it.

Most of what you experience as coffee flavor is actually aroma. Here's the chemistry behind coffee fragrance and how to access it deliberately.