恶人谷

http://sciencenow.sciencemag.org/cgi/co ... 009/1202/1

All mice lived out their lives in identical sterile environments

如果是老鼠的正常生长生活环境下做这样的实验，结论还成立的话就有点儿意思了。

BTW, apparently now you can shift fat from the place you don't want them to place you do want them!
http://www.nytimes.com/2009/12/03/fashion/03skin.html