Editing 1889 in science (section)

==Biology==
* February 17 – The [[Royal Society for the Protection of Birds]] is founded in [[Manchester]] (England), originally known as "The Plumage League" to campaign against the use of plumage in women's clothing.<ref>{{cite web|url=http://www.rspb.org.uk/about/history/milestones.asp|title=Milestones|publisher=RSPB|access-date=2007-02-19}}</ref>
* [[Francis Galton]] publishes ''Natural Inheritance'', a book which summarizes the results of a number of his papers and inspires [[Karl Pearson]], [[Raphael Weldon]] and others to develop the mathematics and statistics of inheritance and biometry.<ref>{{cite book|author=Bulmer, M. G.|title=Francis Galton: Pioneer of Heredity and Statistics|year=2003|pages=202–203|url=https://books.google.com/books?id=vL0hq80XXqMC&pg=PA202}}</ref>
* [[Joseph von Mering]] and [[Oskar Minkowski]] at the [[University of Strasbourg]] demonstrate that a function of the mammalian [[pancreas]] is to produce the [[hormone]] [[insulin]], the lack of which leads to [[diabetes mellitus]].<ref>{{cite journal|first1=Joseph|last1=von Mering|first2=Oskar|last2=Minkowski|title=Diabetes mellitus nach Pankreasextirpation|journal=Centralblatt für klinische Medicin|location=Leipzig|year=1889|volume=10|issue=23|pages=393–394}}</ref>
* [[Hugo de Vries]] publishes ''Intracellular Pangenesis'',<ref>Vries, H. de (1889). ''Intracellulare Pangenese''. Jena: Verlag von Gustav Fischer. Translated in 1908 from German to English by [[C. Stuart Gager]] as ''[http://www.esp.org/books/devries/pangenesis/facsimile/ Intracellular Pangenesis]''. Chicago: Open Court Publishing Co., 1910.</ref> a book which postulates the existence of [[gene]]s.