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.
2026-02-26 21:00:00
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Gerd Baumgarten
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在昨天三星 Galaxy S26 系列的发布会上，Google 展示了 AppFunctions 的实际落地：用户只需向 Gemini 说出「给我看三星图库里猫的照片」，系统即可自动调用图库的函数并直接返回结果，无需手动打开应用翻找。