If one visualizes the recoil action of large guns on ships as they fire, that is perhaps what the EA (export apparatus) is doing for the T3SS.
The antiseptic properties of natural honey are getting more attention as antibiotic-resistant bacteria proliferate.
Think of all the frustrated longings, misunderstandings, jealousy, and more entailed by the fact that males and females constitute separate genders.
DNA is already known to be an ideal storage medium. Why not use cells to do the hard work?
An example of this devolutionary process on a showy scale? Flightless island birds, devolved from birds that could fly.