Vincent, Elio and Michael discuss the stability of human coronaviruses on surfaces and in aerosols, and peptidoglycan production by a mosaic consisting of a bacterium within a bacterium within an insect.
The TWiM crew ponders the question of how a bacterium finds its middle when dividing, then divulge the transfer of interbacterial antagonism genes to eukaryotes, where they may function in innate defense.