The consequences of this problem make themselves felt in bookshops. When you go to a large bookshop and look at the self-help sections, as I sometimes do -- if you analyze self-help book sproduced in the world today, there are basically two kinds. The first kind tells you, "You can do it! You can make it! Anything's possible!" The other kind tells you how to cope with what we politely call "low self-esteem," or impolitely call, "feeling very bad about yourself."

理解RNA干扰的机制是一段由好奇心驱动的研究之旅，它以其复杂性和优雅性继续让我们感到惊讶。

中国的崛起对自由民主秩序构成了重大挑战。

I don't believe in anything, and that's the only thing I believe in.

预测未来的最好方法就是创造未来。

Every seed planted today is an investment in tomorrow's food supply.

答案，我的朋友，在风中飘荡。