Editing 1789 in science (section)

==Medicine==
* February 4 – [[James Parkinson]] gives the first description of human injury from [[lightning strike]]s, in a paper read to the [[Medical Society of London]].
* [[Andrew Duncan (doctor)|Andrew Duncan]] delivers the first lectures on [[forensic medicine]] in Britain, at the [[University of Edinburgh]].<ref>{{cite book|title=Surgeons at the Bailey: English Forensic Medicine to 1878|last=Forbes|first=Thomas Rogers|publisher=Yale University Press|location=New Haven|year=1985|isbn=978-0-300-03338-0|page=7}}</ref>