Editor's note: The following letters were submitted by readers responding to a recently published article by Brian J. Ford for his viewpoint column, "Critical Focus: Science or Nonscience?" (68:1, pp 33-45, 2020). The Microscope encourages reader feedback, and we prefer to publish letters to the editor that are fewer than 500 words. However, in this instance, where they exceed this limit, we are publishing them in their entirety with the intent to present clearly all of the views of the author and respondents.
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