Scientists racing to tackle plastic pollution have created a surprising new contender: a biodegradable packaging film made partly from milk protein. Researchers at Flinders University blended calcium caseinate with starch and natural nanoclay to form a thin, durable material designed to mimic everyday plastic. In soil tests, the film fully broke down in about 13 weeks, pointing to a realistic alternative for single-use food packaging.
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Dr Tim Pestell, a senior curator of archaeology for Norfolk Museums Service, said: "This find is a powerful reminder of Norfolk's Iron Age past which, through the story of Boudica and the Iceni people, still retains its capacity to fascinate the British public.