科学美国人60秒 SSS 2014-07-04（在线收听）

 This year the number of mobile phones on ... the population. "More people now on cellphones actually have access to toilets." James Middle of micro... colleges at the university of Organ. Here in the data is the reality that some people work on their phone on toilets. If that grosses you out, consider this: "So it turns out we are just really licky animals, we just, we leave our bacteria everywhere we go" including of course, our phone. Middle and his colleagues took senses of bacteria on thumb and index fingers of 17 volunteers and on their smart phone touch screens. Overall, they i.. more than 7,000 types. Looking at just common bacteria, those that appear more than 0.1 percent at a time, they found that 82 percents similarity between microbi... of fingers and phones, meaning phones are good mirrors of ourselves, micro... at least. The results appear in the journal Pier J. "We have always been covered by bacteria, and we've always been covered by bacteria." So the fact that our phones are also covered by bacteria is no reason for concern. In fact, the researcher say that mobile phone may hold untapped potential, as personal microbio... senses. ??? Take note.