一些科学家们相信将来会有这样的机器人。

Some scientists believe that there will be such robots in the future.

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最好是完全不用病毒就能创造出新细胞，但是一些科学家们认为这对心肌细胞来说是不可能的。

It would be better to create new cells without involving viruses at all, but some scientists didn't think this would be possible with heart muscle cells.

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这里是一些科学家们的发现：在过去的19年间，美国北部地区的生长季节延长了10到14天。

Here are some of the findings by scientists: the growing season has increased by ten to fourteen days in northern parts of the United States over the last nineteen years.

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You might remember vaguely logarithms from high school math and such but what this suggests for us , the computer scientists, is that this is certainly a smarter, a faster algorithm.

你可能还会依稀记得,高中数学里的对数,这就给了我们这些计算机科学家们，一些启示,即，这种算法更智能，更迅速。

哈佛公开课 - 计算机科学课程节选