Oldies but goodies

These are courtesy of Tristan and Ethan:

1) Everyone likes star-shaped bacteria, but not everyone has read the original paper!

Prosthecomicrobium and Ancalomicrobiutm: New Prosthecate Freshwater Bacteria

2) Amazing EM images of the type VI secretion system, from 1967:

A "MICROTUBULE" IN A BACTERIUM