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.
Мелания Трамп поблагодарила Россию02:10
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Марина Совина (ночной редактор)
纯粹的AI写作，我不是很认可，最起码我写的一些游记类、个人感悟类的文章无法让它代替我的情感表达。所以这次我还是选择「手工匠人赛道」。手搓一篇关于我闺女从家离开上幼儿园这段时间里的的经验总结。