Guides

Storage, origins, terminology and how the plant became a drink.

Reference

Antioxidants in Coffee

Coffee is full of compounds that act as antioxidants in the lab, and because so many people drink so much of i

Updated 2026-10-22

Coffee Brew Ratio Calculator

Set the coffee and the water follows, or set the water and the coffee follows. Eighteen methods, each with the

Updated 2026-10-21

Caffeine by Drink and Method

Typical amounts by drink, given as ranges because that is what the evidence supports. A single espresso has le

Updated 2026-10-21

Coffee Glossary

Roasters, baristas and bags of beans use a vocabulary of their own. Here is what 73 of the most common terms m

Updated 2026-10-21

Coffee History

Coffee began as a wild shrub in the forests of Ethiopia, became a drink in Yemen, spread through the Ottoman w

Updated 2026-10-22

Why Your Coffee Tastes Wrong

Find what your coffee tastes like in the table, make the one change listed, brew it again. Most problems are o

Updated 2026-10-21

Coffee Grind Size Chart

Seven grind sizes, what each one feels like between your fingers, and which brewer wants it. Grind is the dial

Updated 2026-10-21

How to Steam Milk

Two seconds of air while the milk is still cold, then spin it smooth and stop at 60°C. Everything else about s

Updated 2026-10-21

How to Store Coffee

Buy whole beans, keep them in an airtight container somewhere cool and dark, and grind only what you need just

Updated 2026-10-22

Interesting Coffee Facts

Thirty things about coffee that are true, which is more than can be said for most lists of coffee facts. Where

Updated 2026-10-22

What Is Colombian Coffee?

Colombian coffee is washed arabica grown on the slopes of the Andes, mostly by smallholders, under rules set b

Updated 2026-10-22

What Is Organic Coffee?

Organic coffee is grown without synthetic pesticides and fertilisers on land certified free of them for at lea

Updated 2026-10-22

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