博文
A New Beginning ...
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When does life begin?
I say life begins at 50, but Gisela says life begins at 70, in which case I am still in the negative territory
http://blog.sciencenet.cn/blog-306792-307683.html
上一篇：The Hidden Brain, a book by Shankar Vedantam
下一篇：How to have a great time in Hawaii (1): Oahu (revised)
