联邦航空管理局于2月10日实施了飞行限制,此举引起了地方官员的强烈反对。限制最初计划持续10天,但第二天就取消了。
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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Так, на страницах издания PLOS One было опубликовано исследование, которое показало, что стресс в долгосрочной перспективе вызывает дисрегуляцию оси гипоталамус-гипофиз-надпочечники, иммунной и вегетативной нервной системы.