Editing 1915 in science (section)

==Life sciences==
* January – [[Mildred Hoge Richards|Mildred Hoge]] publishes her discovery of the gene (much later identified as [[PAX6]]) responsible for development of the eye.<ref>{{cite journal|last=Hoge|first=Mildred|title=Another Gene in the Fourth Chromosome of ''Drosophila''|journal=[[The American Naturalist]]|date=January 1915|volume=49|issue=577|pages=47–49|doi=10.1086/279455|jstor=2456099|s2cid=83865793|url=https://zenodo.org/record/2400631|accessdate=2021-07-23}}</ref>
* A global [[pandemic]] of [[encephalitis lethargica]] begins.<ref>{{WhoNamedIt|synd|3356}}</ref><ref>von Economo, K. (1917-05-10) "Encepahlitis lethargica". ''Wiener klinische Wochenschrift'' '''30''': pp. 581–585; (1918) ''Die Encephalitis lethargica''. Leipzig; Vienna: Franz Deuticke.</ref><ref>{{DorlandsDict|nine/000952335|Encephalitis lethargica}}</ref>
* [[Trench nephritis]] is first reported as affecting soldiers of the [[British Expeditionary Force (World War I)|British Expeditionary Force]] in Flanders in the ''[[British Medical Journal]]''; the name is coined by [[Nathan Raw]].<ref>{{cite journal|last=Atenstaedt|first=R. L.|date=August 2006|title=The medical response to trench nephritis in World War One|journal=Kidney International|volume=70|issue=4|pages=635–640|doi=10.1038/sj.ki.5001618|issn=0085-2538|pmid=16820794|doi-access=free}}</ref>
* [[Walter Bradford Cannon]] coins the term ''[[Fight-or-flight response|fight or flight]]'' to describe an animal's response to threats.<ref>{{cite book|first=Walter Bradford|last=Cannon|title=Bodily Changes in Pain, Hunger, Fear and Rage: an Account of Recent Researches into the Function of Emotional Excitement|url=https://archive.org/details/bodilychangesin02canngoog|year=1915|publisher=Appleton}}</ref>
* [[Thomas Hunt Morgan]], demonstrates non-inherited [[Mutation|genetic mutation]] (in ''[[Drosophila melanogaster]]''), undermining the conceptual basis of [[eugenics]].<ref>{{cite book|last=Blom|first=Philipp|authorlink=Philipp Blom|title=The Vertigo Years: Change and Culture in the West, 1900-1914|year=2008|publisher=McClelland & Stewart|location=Toronto|isbn=978-0-7710-1630-1|pages=[https://archive.org/details/vertigoyearschan0000blom/page/336 336–337]|url-access=registration|url=https://archive.org/details/vertigoyearschan0000blom/page/336}}</ref>
* [[Reginald Punnett]]'s ''Mimicry in Butterflies'' is published in Cambridge (U.K.)
* [[Clara H. Hasse]] publishes a paper identifying the cause of [[citrus canker]] which leads to the development of methods for controlling the disease, saving the [[citrus]] crops in the [[southern United States]] from being wiped out.<ref>In ''Journal of Agricultural Research''. {{cite book|last=Harding|first=Thomas Swann|year=1980|url=https://books.google.com/books?id=jAD9Btw5hd4C&dq=Clara+H.+Hasse&pg=PA324|title=Two Blades of Grass: A History of Scientific Development in the U.S. Department of Agriculture|page=324|publisher=Ayer Publishing|isbn=978-0-405-12547-8}}</ref>