How is decaf coffee made? And is it really caffeine-free?

Coffee is one of the most popular drinks in the world, and its high levels of caffeine are among the main reasons why. It's a natural stimulant that provides an energy buzz, and we just can't get enough.

Will you take ruthenium with your tea or coffee?

A study by Lionel Delaude and François Mazars, researchers from the Laboratory of Catalysis at the University of Liège (Belgium), has shown that caffeine and theophylline can be used to "green" catalysts based on ruthenium. ...

Taiwan tribe despairs as drought shrinks bamboo crop

Hacking at a bamboo plant with a machete, Avayi Vayayana peels back the shoot's stiff bark as he scans southern Taiwan's mountains, anxious for more of the money-making crop his Indigenous tribe increasingly struggles to ...

Extracting the best flavor from coffee

Espresso coffee is brewed by first grinding roasted coffee beans into grains. Hot water then forces its way through a bed of coffee grains at high pressure, and the soluble content of the coffee grains dissolves into the ...

Examining heat transfer in granular materials

Granular materials contain large numbers of small, discrete particles, which collectively behave like uniform media. Their thermal conductivity is crucial to understanding their overall behavior—but so far, researchers ...

Coffee with milk may have an anti-inflammatory effect

Can something as simple as a cup of coffee with milk have an anti-inflammatory effect in humans? Apparently so, according to a new study from the University of Copenhagen. A combination of proteins and antioxidants doubles ...

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