Quote by: Mary Roach

Meaning 'by way of the anus'. 'Per Annum', with two n's, means 'yearly'. The correct answer to the question, 'What is the birthrate per anum?' is zero (one hopes).


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Author Bio


  • NameMary Roach
  • DescriptionAmerican science writer
  • BornMarch 20, 1959
  • CountryUnited States Of America
  • ProfessionWoman Of Letters; Medical Writer