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50. 7 Trends That Will Reshape Higher Education in 2026 - ETS, www.ets.org/insights-an…
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Without agar, countries could not produce vaccines or the “miracle drug” penicillin, especially critical in wartime. In fact, they risked a “breakdown of [the] public health service” that would have had “far-reaching and serious results,” according to Lieutenant-General Ernest Bradfield. Extracted from marine algae and solidified into a jelly-like substrate, agar provides the surface on which scientists grow colonies of microbes for vaccine production and antibiotic testing. “The most important service that agar renders to mankind, in war or in peace, is as a bacteriological culture medium,” wrote oceanographer C.K. Tseng in a 1944 essay titled “A Seaweed Goes to War.”3
下车的时候，车主依旧热情地帮我把行李拿下来，临走的时候还不忘提醒：“姐，辛苦给我个五星好评啊。”想着这一路的拥挤，我虽然心里不愿意，但是大过年的，也不想扫她的兴，就勉强地点了点头。