| Corbin and Vacca examined a sample of dwarf galaxies chosen for their compact size and the youth of their star populations. |
| Jenner called the material used for inoculation vaccine, from the root word vacca, which is Latin for cow. |
| The recoil wrenched the Uzi upward, and Vacca was shot in the head. |
| It's not surprising charges won't be levelled against the child who accidentally shot gun instructor Charles Vacca at a firing range in Arizona. |
