Editing 1773 in science (section)

==Chemistry==
* [[Hilaire Rouelle]] discovers [[urea]].
* [[Carl Wilhelm Scheele]] and [[Joseph Priestley]] independently isolate oxygen, called by Priestley "dephlogisticated air" and Scheele "fire air".<ref name="Profile">{{cite web|title=
Joseph Priestley|url=https://www.sciencehistory.org/historical-profile/joseph-priestley|website=Science History Institute|accessdate=March 21, 2018}}</ref><ref name=Bowden>{{cite book|last1=Bowden|first1=Mary Ellen|title=Chemical achievers : the human face of the chemical sciences|url=https://archive.org/details/chemicalachiever0000bowd|url-access=registration|date=1997|publisher=Chemical Heritage Foundation|location=Philadelphia, PA|isbn=9780941901123|chapter=
Joseph Priestley|pages=[https://archive.org/details/chemicalachiever0000bowd/page/5 5-7]}}</ref><ref>{{cite web|title=Carl Wilhelm Scheele|work=History of Gas Chemistry|publisher=Center for Microscale Gas Chemistry, Creighton University|date=September 11, 2005|url=http://mattson.creighton.edu/History_Gas_Chemistry/Scheele.html|accessdate=February 23, 2007}}</ref>
* [[Antoine Baumé]] publishes his textbook ''Chymie expérimentale et raisonnée'' in Paris.