| Link | Quote | Stars | Tags | Author |
| 2de603d | For comparison, tap out a single grain of salt from a shaker. You could line up about ten skin cells along one side of it. You could line up about a hundred bacteria. Compared to viruses, however, bacteria are giants. You could line up a thousand viruses alongside that same grain of salt. | microbiology science virus wonders-of-nature | Carl Zimmer |