Editing 1922 in science (section)

==Chemistry==
* June 20 – [[Degesch]] applies to [[patent]] the [[cyanide]]-based [[insecticide]] [[Zyklon B]] (credited to Walter Heerdt) in Germany.<ref>DE 438818.</ref>
* [[Vitamin E]] is discovered by [[Herbert McLean Evans]] and Katharine Scott Bishop at the [[University of California, Berkeley]]<ref>{{cite journal|last1=Evans|first1=H. M.|last2=Bishop|first2=K. S.|title=On the existence of a hitherto unrecognized dietary factor essential for reproduction|journal=[[Science (journal)|Science]]|year=1922|volume=56|issue=1458|pages=650–651|doi=10.1126/science.56.1458.650|pmid=17838496|jstor=1647181|bibcode = 1922Sci....56..650E |url=https://zenodo.org/record/1448277}}</ref> and [[Vitamin D]] by [[Elmer McCollum]] and others.
* [[Czech people|Czech]] chemist [[Jaroslav Heyrovský]] invents [[polarography|polarographic methods]] of chemical analysis.
* German chemist [[Hermann Staudinger]] proposes what he will come to call [[macromolecule]]s.<ref>{{cite journal|last1=Staudinger|first1=H.|last2=Fritschi|first2=J.|title=Über die Hydrierung des Kautschuks und über seine Konstitution|journal=[[Helvetica Chimica Acta]]|year=1922|volume=5|issue=5|pages=785–806|doi=10.1002/hlca.19220050517|url=https://zenodo.org/record/1426825}}</ref>