Vincent, Elio, Michael, and Michele discuss evidence that the acellular pertussis vaccine fails to prevent infection and transmission in nonhuman primates, and the use of bacterial cytological profiling to identify pathways targeted by antibiotics.

Vincent, Elio, Michael, and Michele discuss the amazingly high level of intergenera gene exchange among haloarchaea in an Antarctic lake, and the diversity of fungi on residential surfaces and the human forehead.

Vincent, Michael, and Elio meet up with Jonathan Dworkin to discuss how bacteria form spores and how they return to vegetative growth.