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Coffee Science

26 articles

Coffee Roasting Levels Explained: Light, Medium, and Dark

Coffee Roasting Levels Explained: Light, Medium, and Dark

Roast level profoundly affects flavor, acidity, and caffeine content. Here's everything you need to know about what happens inside the roaster.

8 min · 2024-02-26

Water Chemistry for Coffee: Why Your Water Is Sabotaging Your Brew

Water Chemistry for Coffee: Why Your Water Is Sabotaging Your Brew

Water makes up 98% of your coffee. Understanding hardness, mineral content, and pH can dramatically improve your brew quality.

8 min · 2024-03-18

Coffee Processing Methods: Washed, Natural, and Honey Explained

Coffee Processing Methods: Washed, Natural, and Honey Explained

How a coffee cherry is processed after picking fundamentally changes the flavor in your cup. Here's the difference between the three main methods.

9 min · 2024-04-05

Decaf Coffee: How It's Made and Why Most of It Tastes Bad

Decaf Coffee: How It's Made and Why Most of It Tastes Bad

Decaffeination removes 97% of caffeine using different methods — some that preserve flavor and some that destroy it. Here's what to look for.

7 min · 2024-04-12

Arabica vs Robusta vs Liberica: The Three Main Coffee Species

Arabica vs Robusta vs Liberica: The Three Main Coffee Species

Three species account for nearly all commercial coffee production. Understanding each helps you make better buying decisions.

7 min · 2024-03-08

The Gesha Variety: Coffee's Most Celebrated Cultivar

The Gesha Variety: Coffee's Most Celebrated Cultivar

The Gesha variety from Panama changed the specialty coffee world forever. Here's its extraordinary story.

5 min · 2024-01-12

Cold Brew Concentrate: Recipes and Ratios

Cold Brew Concentrate: Recipes and Ratios

Cold brew concentrate at 1:4 is the foundation of dozens of drinks. Here's how to make and use it.

9 min · 2024-11-15

Tanzanian Peaberry: The Curious Single-Seed Coffee

Tanzanian Peaberry: The Curious Single-Seed Coffee

Three species account for nearly all commercial coffee production. Understanding each helps you make better buying decisions.

7 min · 2024-09-18

Salvadoran Coffee: Bourbon Variety Specialists

Salvadoran Coffee: Bourbon Variety Specialists

The Gesha variety from Panama changed the specialty coffee world forever. Here's its extraordinary story.

5 min · 2024-07-22

French Coffee Culture: Café au Lait and the Café Tradition

French Coffee Culture: Café au Lait and the Café Tradition

Cold brew concentrate at 1:4 is the foundation of dozens of drinks. Here's how to make and use it.

9 min · 2024-05-25

The Maillard Reaction in Coffee Roasting: Flavor Through Chemistry

The Maillard Reaction in Coffee Roasting: Flavor Through Chemistry

Three species account for nearly all commercial coffee production. Understanding each helps you make better buying decisions.

7 min · 2024-03-28

Inside Coffee Competitions: How Coffees Are Judged

Inside Coffee Competitions: How Coffees Are Judged

The Gesha variety from Panama changed the specialty coffee world forever. Here's its extraordinary story.

5 min · 2025-01-01

How to Choose the Perfect Tamper

How to Choose the Perfect Tamper

Cold brew concentrate at 1:4 is the foundation of dozens of drinks. Here's how to make and use it.

9 min · 2025-11-05

Kalita Wave Brewing: A Comprehensive Guide

Kalita Wave Brewing: A Comprehensive Guide

Three species account for nearly all commercial coffee production. Understanding each helps you make better buying decisions.

7 min · 2025-09-08

Making Great Coffee in a Hotel Room

Making Great Coffee in a Hotel Room

The Gesha variety from Panama changed the specialty coffee world forever. Here's its extraordinary story.

5 min · 2025-07-12

Coffee Startup Stories: Roasters Who Made It

Coffee Startup Stories: Roasters Who Made It

Cold brew concentrate at 1:4 is the foundation of dozens of drinks. Here's how to make and use it.

9 min · 2025-05-15

What Does a Coffee Exporter Do?

What Does a Coffee Exporter Do?

Three species account for nearly all commercial coffee production. Understanding each helps you make better buying decisions.

7 min · 2025-03-18

Starting a Coffee Import Business

Starting a Coffee Import Business

The Gesha variety from Panama changed the specialty coffee world forever. Here's its extraordinary story.

5 min · 2025-01-22

Coffee and Mood: The Antidepressant Effect

Coffee and Mood: The Antidepressant Effect

Cold brew concentrate at 1:4 is the foundation of dozens of drinks. Here's how to make and use it.

9 min · 2025-11-25

Keto Coffee: Butter, MCT Oil, and Fat Adaptation

Keto Coffee: Butter, MCT Oil, and Fat Adaptation

Three species account for nearly all commercial coffee production. Understanding each helps you make better buying decisions.

7 min · 2025-09-28

Shade-Grown Coffee: Why Biodiversity Matters

Shade-Grown Coffee: Why Biodiversity Matters

The Gesha variety from Panama changed the specialty coffee world forever. Here's its extraordinary story.

5 min · 2025-07-01

Blockchain in Coffee: Transparency from Farm to Cup

Blockchain in Coffee: Transparency from Farm to Cup

Cold brew concentrate at 1:4 is the foundation of dozens of drinks. Here's how to make and use it.

9 min · 2025-05-05

Building an Online Coffee Retail Business

Building an Online Coffee Retail Business

Three species account for nearly all commercial coffee production. Understanding each helps you make better buying decisions.

7 min · 2025-03-08

Cascara as an Energy Drink

Cascara as an Energy Drink

The Gesha variety from Panama changed the specialty coffee world forever. Here's its extraordinary story.

5 min · 2025-01-12

Artisan Roaster Machines for Home Use

Artisan Roaster Machines for Home Use

Cold brew concentrate at 1:4 is the foundation of dozens of drinks. Here's how to make and use it.

9 min · 2025-11-15

Retronasal Aroma: Why Coffee Tastes Different Than It Smells

Retronasal Aroma: Why Coffee Tastes Different Than It Smells

Three species account for nearly all commercial coffee production. Understanding each helps you make better buying decisions.

7 min · 2025-09-18