Editing 1928 in science (section)

==Biology==
* January – [[Frederick Griffith]] reports the results of [[Griffith's experiment]], indirectly proving the existence of [[DNA]].<ref>{{cite journal|last=Griffith|first=Fred.|title=The Significance of Pneumococcal Types|journal=Journal of Hygiene|publisher=Cambridge University Press |volume=27|issue=2|pages=113–159|pmid=20474956|pmc=2167760|doi=10.1017/S0022172400031879|jstor=4626734 |date=January 1928}}</ref><ref>{{cite journal|last=Downie|first=A. W.|title=Pneumococcal transformation – a backward view: Fourth Griffith Memorial Lecture|journal=[[Microbiology (journal)|Journal of General Microbiology]]|url=http://mic.sgmjournals.org/content/73/1/1.full.pdf|volume=73|issue=1|pages=1–11|year=1972|doi=10.1099/00221287-73-1-1|pmid=4143929|accessdate=2011-11-30|doi-access=free}}</ref>
* September 28 – Scottish-born microbiologist [[Alexander Fleming]], at [[St Mary's Hospital, London]], accidentally rediscovers the [[antibiotic]] which he will call [[Penicillin]],<ref>{{cite book|last=Dubey|first=R. C.|title=Text book of Microbiology|publisher=S. Chand & Company Ltd|location=New Delhi|year=1999|isbn=9788121926201|page=579}}</ref><ref>{{cite press release|url=http://www.rsc.org/pdf/pressoffice/2003/penicillin.pdf|publisher=Royal Society of Chemistry|location=London|title=Culture shock will highlight penicillin discovery|date=2003-09-02|accessdate=2011-11-30}}</ref> forgotten since [[Ernest Duchesne]]'s original discovery in [[1896 in science|1896]].<ref>{{cite book|url=https://www.amazon.com/dp/B00DZVXPIK|first=E.|last=Duchesne|orig-year=1897|title=Antagonism between molds and bacteria|location=Fort Myers|year=2013}} An English translation by Michael Witty. ASIN B00E0KRZ0E and B00DZVXPIK.</ref>
* [[Americans|American]] [[biogerontologist]] [[Raymond Pearl]] publishes his ''Rate of Living Hypothesis'', proposing that lifespan is shorter in animals with faster metabolisms.<ref>{{cite book|first=Raymond|last=Pearl|year=1928|title=The Rate of Living, Being an Account of Some Experimental Studies on the Biology of Life Duration|publisher=Alfred A. Knopf|location=New York}}</ref>