Editing 1925 in science (section)

==Physics==
* January – [[Wolfgang Pauli]] announces his [[Pauli exclusion principle|exclusion rule]].<ref>{{cite journal|title=This Month in Physics History – January 1925: Wolfgang Pauli announces the exclusion principle|url=http://www.aps.org/publications/apsnews/200701/history.cfm|work=APS News |volume=16|issue=1|publisher=American Physical Society|accessdate=2011-06-25 |date=January 2007}}</ref>
* June – [[Werner Heisenberg]] spends time on [[Heligoland]]<ref>{{cite book|authorlink=Carlo Rovelli|first=Carlo|last=Rovelli|title=Helgoland|year=2020}}</ref> resulting in the September publication of his seminal paper, "[[Über quantentheoretische Umdeutung kinematischer und mechanischer Beziehungen]]" ("Quantum theoretical re-interpretation of kinematic and mechanical relations") in ''[[Zeitschrift für Physik]]''.
* September–November – Heisenberg, [[Max Born]] and [[Pascual Jordan]] submit their papers "Zur Quantenmechanik" setting out their [[Matrix mechanics|matrix formulation]] of [[quantum mechanics]], to ''Zeitschrift für Physik''.