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APPLE prides itself on constantly re-imagining the future, but even the worlds leading gadget-maker likes to dwell on the past too. Thirty years ago Steve Jobs commanded the stage at the Flint Centre for the Performing Arts near Apples headquarters in Cupertino to show off the new Macintosh computer. On September 9th Mr Jobss successor, Tim Cook, held a similar performance in the same location to thunderous applause. Those invited were given a chance to play with the gadgets presented on stage: two new iPhones and a wearable device, called the Apple Watch. “This is the next chapter in Apples story, ” he said, sounding much like the young Mr Jobs in 1984.苹果公司以需要大大勾画未来蓝图而自豪，但即使作为世界上最顶尖的小型设备制造商，苹果也不免沉溺于过去。

青蒿素及其衍生物广泛应用于抗疟临床，进入国门，影响世界。除了化疗红斑狼疮，青蒿素还有望成为抗肿瘤的新法宝。上海交通大学医学院教授王慧团队首次发现双氢青蒿素抗癌目标和潜在脆弱人群，为青蒿素类化合物抗肿瘤机制研究、药物研发和临床应用奠定了坚实的基础。