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Articles on Coffee

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Repeated exposure to high levels of acid can cause tooth erosion. Joshua Hunter/Flickr

Health check: what’s eating your teeth?

Most of us know sugar is bad for teeth because it feeds bacteria that cause tooth decay. But fewer of us are aware that equally damaging is repeated exposure to acids in food and drinks.
We know different coloured plates can affect how food ‘tastes’ … and now we know that the same applies to coffee. Esti Alvarez/Flickr

Bitter coffee today? Try changing the colour of your cup

In Australia, around a billion cups of coffee a year are consumed in cafés, restaurants and other outlets. Even Britain, a nation famous for its fondness for tea, has in recent years seen a dramatic rise…
Beans have travelled a long way to make your cup of coffee. Jack Fussell/Flickr

Where’s that bean been? Coffee’s journey from crop to cafe

Welcome to the third instalment in our series Chemistry of Coffee, where we unravel the delicious secrets of one of the most widely consumed drinks in the world. As you listen to the whirring grinders…
Grind, temperature, time and coffee-to-water ratio – nail these for the best coffee. Andy Ciordia/Flickr

The perfect cup of coffee boils down to four factors

Welcome to the second instalment in our series Chemistry of Coffee, where we unravel the delicious secrets of one of the most widely consumed drinks in the world. Here we look at how tweaking variables…
A quick shot, but then what? While some used coffee pods like these are recycled, many more end up in the bin. Thomas Guignard/Flickr

What our love affair with coffee pods reveals about our values

Mornings just aren’t the same. Late sleepers, once troubled only by the quiet gurgle of the boiling kettle, are now shaken from their slumber by the guttural sounds of steaming water being forced through…
Yields are on the decline. Neil Palmer (CIAT)

Climate change is causing havoc for global coffee yields

The global food system contributes to climate change through industrial farming practices, the increasing use of fertiliser to fight dropping yields and the transport of food around the world. But the…
Burdened by production costs and lack of support. Adam Baker

Fair for who? The crisis of Fairtrade for coffee farmers

Two weeks of campaigning to raise awareness of Fairtrade products have come to a close. But coffee farmers around the world face an ongoing crisis that the Fairtrade Foundation has done little to mitigate…

Birds and the bees make money for coffee growers

Coffee growers on Mount Kilimanjaro can greatly increase their crop yield by growing more trees. Researchers found that healthy…
Wheat fields in central New South Wales. Sam Ilić/Flickr

Australian trade beats aid in boosting global food security

Should Australia aim to become Asia’s “food bowl”? How can we help farmers earn more for what they produce? And how can Australia best contribute to global food security? Those are some of the crucial…
You might not need to pee either. Cairns Dining

Moderate amount of coffee doesn’t dehydrate you

There is no evidence for a link between moderate coffee consumption and dehydration, according to a study in PLOS ONE. The global population consumes 1.6 billion cups of coffee a day and it’s a common…

Bird biodiversity protects coffee yields

Coffee growers in Costa Rica have increased their coffee yields by leaving patches of surrounding rainforest untouched. Researchers…
It’s just an illusion: drinking more coffee every day to keep alert. PA/Geoff Caddick

Caffeine withdrawal drives need for more but are we addicts?

Caffeine is humankind’s favourite drug. It’s estimated to be consumed by 80% of people worldwide, and most of us consume several doses a day. This popularity would appear to be explained in large part…
Most adults seem to feel a need to have caffeine daily, and we hear people saying that they can’t function until they’ve had their ‘fix’. Shutterstock

What’s the buzz on caffeine?

The most popular addictive drug available in Australia right now is 1, 3, 7-trimethylxanthine, or C₈H₁₀N₄O₂. Let’s call it 137TX until we can come up with something catchier. Most adults seem to feel a…

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