Editing 1867 in science (section)

==Physiology and medicine==
* March 16 – First publication of an article by [[Joseph Lister, 1st Baron Lister|Joseph Lister]] outlining the discovery of [[antiseptic]] [[surgery]], in ''[[The Lancet]]''.
* July 17 – In [[Boston, Massachusetts]], the [[Harvard|Harvard School of Dental Medicine]] is established as the first [[dental school]] in the United States.
* [[Lauder Brunton]] reports the successful use of [[amyl nitrite]] to treat [[angina]], in ''The Lancet''.<ref>{{cite journal|last=Fye|first=W. Bruce|title=T. Lauder Brunton and Amyl Nitrite: A Victorian Vasodilator|year=1986|volume=74|pages=222–29|url=http://circ.ahajournals.org/cgi/reprint/74/2/222.pdf|issue=2|doi=10.1161/01.cir.74.2.222|pmid=3524895|journal=Circulation|doi-access=free}}</ref>
* [[Henry Maudsley]] publishes ''The Physiology and Pathology of Mind''.
* Viennese psychiatrist [[Theodor Meynert]] observes variations in the [[cytoarchitecture]] of the brain.
* [[Yellow fever]] kills 3093 in [[New Orleans]].