by Merry Youle — Some­thing bizarre can be seen in TEMs of a Caulobac­ter cres­cen­tus phage, φCbK. This was first re­ported in a pa­per pub­lished back in 1972 (see the im­age to the right). In most re­spects, φCbK is your typ­i­cal ho-hum siphovirus with an elon­gated head (60 nm di­am­e­ter, 200 nm long) sport­ing…