Guest post from Keith Seifert: Walking in the footsteps of van Leeuwenhoek (part 2)
Here is part 2 in the “Walking in the footsteps of van Leeuwenhoek” story from Keith Seifert. Part 1 is here. Walking in the footsteps of van Leeuwenhoek (part 2): My van Leeuwenhoek walk “But what if one should tell such people in the future that there are more animals living in the scum on …