In 1942, at the height of British industrial war mobilization, an unlikely cohort scavenged the nation’s coastline for a precious substance. Among them were researchers, lighthouse keepers, members of the Royal Air Force and the Junior Red Cross, plant collectors from the County Herb Committee, Scouts and Sea Scouts, schoolteachers and students. They were looking for fronds and tufts of seaweed containing agar, a complex polysaccharide that forms the rigid cell walls of certain red algae.
Фото: U.S. Marine Corps / Lance Cpl. Tyler Forti
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Москвичей предупредили о резком похолодании09:45。业内人士推荐safew官方下载作为进阶阅读
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