01-August-Operations Class-600×500-Fresh-Cup

Scientists investigated how various grind sizes can impact puck permeability (or how water moves through ground and tamped espresso) and extraction.

Researchers use math and physics to decode espresso extraction. Plus, Philz removes pride flags, and Starbucks union negotiations are still tense.

Philz Coffee, the San Francisco-based specialty chain, is removing Pride flags from all its stores.

A new report forecasts that 20% of the land currently used to grow arabica coffee could become unsuitable for farming by 2050 due to climate change.