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Finely ground coffee is dispensed into an espresso filter

Unevenly packed coffee to blame for weak espresso, say mathematicians

9 May 2023

A mathematical model shows that even small inconsistencies in how coffee is packed into an espresso machine can lead to weaker brews and watery flavour

Lab-grown meat could be 25 times worse for the climate than beef

9 May 2023

Analysis finds the carbon footprint of cultivated meat is likely to be higher than beef if current production methods are scaled up because they are still highly energy-intensive

We finally know why bubbles rise in a straight line in champagne

28 April 2023

In carbonated drinks, the wake from rising bubbles can disturb other bubbles. But when the molecules that give fizzy drinks their flavour coat the bubbles, they can form stable columns as they float

Chocolate with a low-fat centre could still feel luxurious to eat

13 January 2023

Fat on the outside of chocolate may be key for its mouthfeel, suggesting that fat content could be reduced in the centre without compromising the sensation

Woman putting bowl with vegetables in microwave oven, closeup; Shutterstock ID 1011440542; purchase_order: -; job: -; client: -; other: -

Nutrient-measuring device could make microwaves that count calories

5 October 2022

Scientists have found a way to use leaked electromagnetic radiation to measure nutrients in microwaved meals

An illustration of the insula in the brain

Woman loses ability to feel hungry after stroke damages her brain

27 August 2021

A young woman who lost the sensation of hunger after a stroke may help to explain one of the most mysterious areas of the brain and lead to new treatments for obesity

Flat pasta that morphs into 3D shapes when cooked saves on packaging

5 May 2021

A flat pasta has been created that swells into 3D shapes when cooked, and that can be packed efficiently in boxes in a way that traditional pasta shapes such as fusilli can't be

New kind of blue found in cabbage could replace synthetic food dye

7 April 2021

Scientists have come up with a natural cabbage-based alternative to artificial blue food colouring and used it to make blue ice cream and other foods

These are the worst ready-made sandwiches for the climate

25 January 2018

Producing ready-made sandwiches can generate twice as much carbon dioxide as simply making them at home, and one particular filling is egregiously bad