Seven milk frothers compared from their makers' specs: which aim for pourable microfoam and which for hot foam, how hot each heats milk, how much it holds and how to clean it.
How the Boss Barista podcast, The Coffeewoman's panels, Michelle Johnson's The Chocolate Barista and two 2017 critiques of barista competition pushed specialty coffee to talk about equity.
What US baristas earn, according to the Bureau of Labor Statistics, the jobs a barista can move into and what they pay, the SCA's career credentials, and the 2016 Coffee Jobs Podcast.
Ka'u, on the Big Island's southern slopes, turned from sugar to coffee after 1996 and now wins Hawaii's top cupping prizes. Where it grows, its history and taste, and how it differs from Kona.
Klaus Thomsen won the 2006 World Barista Championship for Denmark and co-founded Coffee Collective in Copenhagen in 2007. How the roaster started, where it is now, and how it brews.
Some oat milks are made to steam and some aren't, even from the same brand. Here's what to look for on the carton, and how to steam a barista oat milk into smooth, glossy milk for a latte.
What caffeine does for alertness, attention and reaction time, what it doesn't do, how a daily habit changes the effect, and how to time coffee for work without losing sleep.
Twelve cities that recur in the story of modern specialty coffee, from Oslo and Melbourne to Tokyo and Seoul: what happened there, and roasters to look up, each checked on its own website.
Why the same coffee lasts longer in some people: what caffeine's half-life means, the liver enzyme behind it, and how smoking, the pill, pregnancy and some medicines change it.
Proffee is coffee mixed with protein powder or a ready-to-drink shake. What the protein and the caffeine each do, what the labels say, and how to mix whey into hot or iced coffee.
Not at everyday amounts. In controlled trials, regular coffee drinkers stayed as hydrated on coffee as on water, though large doses can raise urine output for a few hours. Here's the evidence.
Freeze whole beans sealed, in portions you won't reopen, and take out one portion at a time to thaw sealed or grind frozen. Here's how, from two-week bags to single doses, and how long they keep.
Six espresso grinders compared from their makers' specs: burrs, how finely each adjusts and how it doses, with what our April 2026 video found and where to find each maker's espresso setting.
Very fresh beans release gas that pushes back against the water in an espresso puck and inflates the crema. Here's how long to rest beans for espresso, why, and why filter coffee needs less.
Why Hoffmann and Easto say to buy the grinder first, what Gagné's analysis of 300 grind measurements from 24 espresso grinders found, and how to tell whether your grinder is the bottleneck.