The pace of the changes in the Winogradsky panel has slowed, but now some green microbes are really noticeable.  There are shades of bright blue-green, yellow-greens and yellow. The range of greens is due to different combinations of pigments in photosynthetic bacteria.  I had a recent conversation with someone who didn’t realize that organisms other … Continue reading Watching Bacteria Grow: Winogradsky Panel Day 30