by Merry Youle — We've heard it said so of­ten, it must be true. Af­ter tailed phages ad­sorb to their host and bind se­curely to their spe­cific re­cep­tor on the cell sur­face, they in­ject their DNA into the cell and the in­fec­tion is off and run­ning. This in­jec­tion no­tion arose nat­u­rally from the clas­sic…