TIL that in 37 BC, the Roman polymath Marcus Terentius Varro warned his readers to avoid living near swamps because of "minute creatures which cannot be seen by the eyes" and cause disease. Microorganisms would not be observed until the 17th century

Wait 5 sec.

  submitted by   /u/FastBreakPhenom   to   r/todayilearned [link]   [comments]