Sometimes science doesn't take place in a sterile lab, with beakers and pipettes and clipboards and test tubes, but out in nature, with lots of electrical tape and one very angry crocodile.

有些时候，科学实验并不是在无菌实验室，通过烧杯、吸液管、写字夹板和试管进行的，而是在野外，利用无数绝缘胶带和一只愤怒的鳄鱼展开的。

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While mice kept on low-calorie diets live longer than their fatter friends, the skinny mice are less fertile and are sometimes sterile.

ECONOMIST: The latest from the wacky world of anti-senescence therapy