多久会有科学研制成功的爱情药剂问世（顺便说一下，已经在研制了）？

And how soon before we create a scientifically valid love potion? (Already under study, by the way.)

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一群研究者研制了一种合成疫苗，也许能够预防任何目前存在的流感——或者任何将出现的流感。

One group of researchers has developed a synthetic vaccine that might be able to protect against just about any type of flu in existence--or that might come into existence.

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为了改善结果，MIT世孚-伯纳姆医药研究所与圣地亚哥加州大学的学者研制了会合作的纳米粒子。

To improve this outcome, researchers from MIT, the Sanford-Burnham Medical research Institute and the University of California-San Diego designed nanoparticles that can work in teams.

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Why is it difficult in some cases to produce a vaccine when we've been successful in so many others?

为什么某些疾病的疫苗很难研制,即使我们已经成功生产了很多种疫苗

耶鲁公开课 - 生物医学工程探索课程节选

And then the American government said, "No, here is a company that invested research and created this drug.

然后美国政府又说了，不行，这些都是美国公司花巨资研制出的药品。

耶鲁公开课 - 公正课程节选