Editing 1993 in science (section)

==Physiology and medicine==
* February – The ''[[New England Journal of Medicine]]'' publishes findings demonstrating that patients with [[peptic ulcers]] can be successfully treated with [[antibiotics]], lending strong support to the [[Timeline of peptic ulcer disease and Helicobacter pylori|discovery]] that peptic ulcer disease is caused by ''[[H. pylori]]''.
* March 23 – Start of [[1993 Milwaukee Cryptosporidiosis outbreak|Milwaukee Cryptosporidiosis outbreak]].
* July 15 – A study published by [[Dean Hamer]] and others in the United States indicates a [[Biology and sexual orientation|link]] between the [[chromosome band]] and [[genetic marker]] [[Xq28]] and male [[sexual orientation]].<ref>{{cite journal|doi=10.1126/science.8332896|title=A linkage between DNA markers on the X chromosome and male sexual orientation|year=1993|last1=Hamer|first1=D.|last2=Hu|first2=S.|last3=Magnuson|first3=V.|last4=Hu|first4=N.|last5=Pattatucci|first5=A.|journal=[[Science (journal)|Science]]|volume=261|issue=5119|pages=321–7|pmid=8332896|bibcode=1993Sci...261..321H|url=https://zenodo.org/record/1231257}}</ref>
* August
** Formal launch of the [[Cochrane Collaboration]].
** [[Francisco Mojica]] first characterizes what becomes known as the [[CRISPR]] locus.<ref>{{cite journal|last1=Mojica|first1=F. J.|last2=Juez|first2=G.|last3=Rodríguez-Valera|first3=F|year=1993|url=https://www.ncbi.nlm.nih.gov/pubmed/8412707|title=Transcription at different salinities of Haloferax mediterranei sequences adjacent to partially modified PstI sites|journal=[[Molecular Microbiology (journal)|Molecular Microbiology]]|volume=9|issue=3|pages=613–621|doi=10.1111/j.1365-2958.1993.tb01721.x |pmid=8412707 |s2cid=23548049 |accessdate=2021-03-19}}</ref>
* The "Intelligent [[Prosthesis]]", the first commercially available [[microprocessor]]-controlled prosthetic knee, is released by UK company Charles A. Blatchford & Sons.<ref>{{cite web|url=http://www.blatchford.co.uk/company/history/history.html|title=History of Prosthetics|publisher=Blatchford & Sons, Ltd|accessdate=2008-03-16|archiveurl=https://web.archive.org/web/20080410073712/http://www.blatchford.co.uk/company/history/history.html|archivedate=2008-04-10|url-status=live}}</ref>