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Perhaps it’s the biggest question science has left to answer, how did life begin? Now, molecular biologists in Cambridge university have discovered tiny molecules of RNA which they say might provide some clues. Science journalist and author Philip Ball explains what we know and whether we’ll ever find the origins of life on earth.，更多细节参见51吃瓜
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药材好，药才好。岭南拥有丰富的药用植物资源，品种达4500种以上，约占全国的36%。近年来，广东省中药产业位居全国前列，年总产值突破600亿元，中药消费市场规模居全国首位。全省布局建设69个广东省中药材产业化基地、18个南药现代农业产业园、3个生物医药省级特色产业园，遴选出化橘红、广陈皮等第一批“粤八味”和肉桂、五指毛桃等第二批“粤八味”岭南中药材保护品种。
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