Coffee Knowledge
Latest articles, industry insights and brewing guides
How to Judge Specialty Coffee Beans by Standards
Learn the official criteria for specialty coffee beans, including aroma, acidity, and origin standards set by SCA and producing countries.
How Coffee Latte Art Was First Created
Coffee latte art was born in 1988 in Seattle when an American barista noticed a heart shape forming by chance while pouring milk.
How Caffeine May Lower Alzheimer’s Risk, According to Research
A French study found moderate daily caffeine intake reduced memory decline and protein-related brain pathology in mice, suggesting possible protective effects against Alzheimer’s.
10 Coffee Drinking Mistakes to Avoid Including Smoking With Coffee
Avoid these 10 common mistakes when drinking coffee, from pairing it with smoking to overusing sugar and drinking at the wrong time.
What Coffee Matches Your Day? A Time-Based Guide
Find the best coffee match for your mood and time of day—from early-morning espresso to evening mocha—with this structured coffee timetable.
How to Find the Sweet Spot for Espresso Extraction
Al Critzer’s 30cc/30sec espresso standard and formula help home baristas dial in balance by adjusting brew time and yield.
What Affects the Taste of Your Espresso Shot?
Learn the six key factors—environment, ingredients, equipment, technique—that shape your espresso’s flavor. Master the details that matter.
Is Coffee Good for Your Health? The Science Behind the Buzz
Learn how 2–3 cups of coffee daily can boost heart health, metabolism, and athletic recovery — and what really happens if you overdo it.
Specialty Coffee Terms Every Barista Should Know
A clear glossary of essential coffee terms—from bean types and processing methods to brewing and roasting terminology for professionals.
How Water Quality Changes Your Coffee’s Flavor
Test results show different waters—softened, mineral, or pure—drastically shift coffee’s brightness, body, and sweetness. Find your best brew match.
Does Coffee Harm Your Health? The Truth About Calcium and Caffeine
Adding milk to coffee offsets calcium loss, and moderate consumption offers brain-boosting benefits without harming your health.
Is Acidity Good in Specialty Coffee?
Acidity adds brightness and complexity to coffee. In specialty brewing, it's essential—but only when balanced with other flavors.
The Five Tastes of Coffee Beans Explained
Learn how coffee beans are grouped into five distinct flavor profiles—from bright and acidic to deep and mellow—based on taste.
Washed, Natural, and Honey Processed Coffee Beans Explained
Learn how washed, natural, and honey coffee processing methods shape flavor. See how drying style affects acidity, sweetness, and body.
What’s the Difference Between Types of Coffee Drinks?
Explore the key differences between espresso, latte, cappuccino, macchiato, mocha, and more, with ratios, temps, and brewing methods.
Why Coffee Lovers Prefer Espresso and Black Coffee
Learn why true coffee enthusiasts often choose espresso or black coffee, and how bitterness reveals coffee’s true character.
How Caffeine, Tannins & Fats in Coffee Affect Your Body
Caffeine boosts energy but can be toxic in excess. Tannins degrade with over-brewing, while fats influence flavor. Here’s what each does.
6 Groups Who Should Limit Coffee Intake
Find out who should avoid or limit coffee, including pregnant women, those with anxiety, liver issues, and more.
What Is the Cup of Excellence Coffee Competition?
Learn how the Cup of Excellence (COE) competition finds and rewards the world’s best specialty coffees, changing farmers’ lives since 1999.
How Much Coffee Is Healthy to Drink Daily?
Learn how many cups of black coffee are safe per day, when to avoid it, and how caffeine affects your health during menstruation.