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
跳過 YouTube 帖子允許Google YouTube内容此文包含Google YouTube提供的内容。由於這些内容會使用曲奇或小甜餅等科技,我們在加載任何内容前會尋求您的認可。 您可能在給予許可前希望閲讀Google YouTube曲奇政策和隱私政策。希望閲讀上述内容,請點擊“接受並繼續”。
,更多细节参见91视频
(一)违反国家规定,未经注册登记,以社会团体、基金会、社会服务机构等社会组织名义进行活动,被取缔后,仍进行活动的;
Continue reading...
,推荐阅读51吃瓜获取更多信息
Continue reading...,更多细节参见爱思助手下载最新版本
在这个维系品牌基本盘的牌桌上,谁敢稍微松一脚油门,立刻就会被无情踢出第一梯队。