How Long Do Things in Your Fridge Stay Good AFTER Their Expiration Dates? You know that awful feeling you get when you throw away bacon, just because somebody named Oscar printed numbers on the package saying it was expired? No? You've never thrown away bacon, under any circumstances? Good man.
Spirillum volutans with polar amphitrichous flagella. Spirillum volutans is a gram-negative, flagellated spirochete. The bacterium is found in freshwater. Volutin granules of polyphosphate can be seen. Brightfield. Magnification: 250x.
Hapalopilus nidulans (rutilans in Europe and Canada) is a small annual wood rotting polypore on deciduous twigs and branches of birch, beech and oak. H. nidulans will dye a consistent shade of purple but must have the pH raised to 8-9 when the mushroom is first cooking or the color may not develop at all.