Think twice ago eating those dropped crumbs off your computer keyboard -- you may as well be eating off a toilet seat, according to a new absorbing on the amount of germs on keyboards.

• 一项有关电脑键盘上细菌数量的最新研究称，以后捡起落在键盘上的吃的东西碎屑往嘴里塞之前可得想好了，这跟从马桶座上捡物品吃差不多。