American Gut Project Wants Your Stool

by jeeg 21. November 2013 21:49
Antoni van Leeuwenhoek offered the first description of the intestinal protozoa or “animalcules” he discovered in 1681: “I have generally seen, in my excrement, many irregular particles of sundry sizes, most of them tending to a round figure, which are very clear and of a yel... [More]
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