Antibiotic resistance

Psst! Hey kid! Wanna be a superbug …?
Stick some of this into your genome…
Even penicilin won´t be able to harm you…!

It was on a short-cut through the hospital kitchens that Albert was first approached by a member of the Antibiotic Resistance.

Source: Plos Biology article
Does Medicine without Evolution Make Sense?
MacCallum CJ (2007) PLoS Biol 5(4): e112. doi:10.1371/journal.pbio.0050112