Science

Tea bags can be made from plastic or paper, or use a combination of the two. Pic:getty/alexthq

Plastic tea bags release microplastics into brew, says study

By Rachel Arthur

Plastic tea bags can release billions of microplastic and nanoplastic particles into a cup of tea, according to Canadian researchers. But while the scientists say some brands have shifted to plastic tea bags instead of paper ones, the industry counters...

Could blockchain technology improve food tracing capabilities?

What's next for blockchain in the food industry?

By Natasha Spencer

Blockchain can trace and record transactions to strengthen food management, safety and quality in the food industry. We explore what 2019 developments have done for embracing blockchain in food, and where we can expect it to head next.

©GettyImages/marilyna

Vegans ‘may have higher risk of stroke than meat eaters’: study

By Oliver Morrison

Vegetarian and pescetarian diets are linked to a lower risk of coronary heart disease (CHD), but vegetarians and vegans may have higher risk of stroke than meat eaters, suggests a study published in the BMJ, which claims this may reflect low blood levels...

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