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WCR Arabica Trial: F1 Hybrids Lead on Yield and Rust
WCR and CIAT tested 32 arabica varieties in 17 countries: F1 hybrids H1 and EC16 lead on yield and leaf rust, but local climate decides the best choice.

Prussia's Coffee Sniffers: Frederick II's Roasting Monopoly
From 1781 to 1787, Frederick II made coffee roasting a state monopoly in Prussia and hired 400 war veterans to sniff out illegal roasting in people's homes.

De'Longhi PrimaDonna Aromatic Review: Hot and Cold Coffee at Home
Full review of the De'Longhi PrimaDonna Aromatic ECAM630.75.TSM: flat burr grinder, Bean Adapt technology, LatteCrema system and mobile app put to the test.

Meeting Sage (Breville) at Paris Coffee Show
Invited by Sage Appliances (Breville) to the Paris Coffee Show: four espresso machines and the brand's philosophy on coffee.

Timemore S5 Pro Review: Espresso and Pour-Over Grinder
Full review of the Timemore S5 Pro manual grinder: design, 15 μm adjustment precision, TriB-048-I burr, espresso and pour-over tests, maintenance, and verdict.

Coffee Grind Size: How to Choose the Right Setting for Every Method
See exactly how grind size changes your espresso and pour-over in the cup, with side-by-side photos of under-extraction, balanced extraction, and over-extraction.
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