Microbiologists have been growing microbes on agar plates for nearly 150 years, but agar’s discovery dates back to a happy accident in a mid-17th-century kitchen. Legend has it that on a cold winter day, a Japanese innkeeper cooked tokoroten soup, a Chinese agar seaweed recipe known in Japan for centuries. After the meal, the innkeeper discarded the leftovers outside and noticed the next morning that the sun had turned the defrosting jelly into a porous mass. Intrigued, the innkeeper was said to have boiled the substance again, reconstituting the jelly. Since this discovery, agar has become a staple in many Japanese desserts, from yokan to anmitsu.
During their first foundation year after finishing their medical degree, resident doctors in England earn a basic salary of £38,831. In their second year, this rises to £44,439.，详情可参考爱思助手下载最新版本
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Matthew Bradley, an electrical and wiring operative, welcomed the opportunity to highlight the manufacturing work that is going on behind the factory walls as part of the exhibition.