Editing 1945 in science (section)

==Chemistry==
* A team at [[Oak Ridge National Laboratory]] led by [[Charles DuBois Coryell|Charles Coryell]] discovers [[chemical element]] 61, the only one still missing between 1 and 96 on the [[periodic table]], which they will name [[promethium]].<ref>{{cite journal|year=2003 |title=Discovery of Promethium |journal=Oak Ridge National Laboratory Review |volume=36 |issue=1 |url=http://www.ornl.gov/info/ornlreview/v36_1_03/article_02.shtml |accessdate=2011-06-16 |url-status=dead |archiveurl=https://web.archive.org/web/20110622100448/http://www.ornl.gov/info/ornlreview/v36_1_03/article_02.shtml |archivedate=2011-06-22 }}</ref> Found by analysis of fission products of irradiated uranium fuel, its discovery is not made public until 1947.
* [[Dorothy Hodgkin]] and C. H. (Harry) Carlisle publish the first three-dimensional molecular structure of a [[steroid]], cholesteryl iodide.<ref>{{cite journal|last1=Carlisle|first1=C. H.|last2=Crowfoot|first2=D.|year=1945|title=The crystal structure of cholesteryl iodide|journal=[[Proceedings of the Royal Society]]|volume=A184|issue=996|pages=64–83|jstor=97644}}</ref><ref>{{cite journal|first=Jenny P.|last=Glusker|title=Dorothy Crowfoot Hodgkin (1910–1994)|journal=[[Protein Science]]|year=1994|volume=3|issue=12|pages=2465–2469|doi=10.1002/pro.5560031233|pmid=7757003|pmc=2142778}}</ref> In January, Hodgkin also discovers the structure of [[penicillin]], not published until [[1949 in science|1949]].
* A team at [[American Cyanamid]]'s Lederle Laboratories, [[Pearl River, New York]], led by [[Yellapragada Subbarow]], obtain [[folic acid]] in a pure crystalline form.<ref>{{Cite journal|last1=Angier|first1=R. B.|last2=Boothe|first2=J. H.|last3=Hutchings|first3=B. L.|last4=Mowat|first4=J. H.|last5=Semb|first5=J.|last6=Stokstad|first6=E. L. R.|last7=Subbarow|first7=Y.|last8=Waller|first8=C. W.|last9=Cosulich|first9=D. B.|last10=Fahrenbach|first10=M. J.|last11=Hultquist|first11=M. E.|last12=Kuh|first12=E.|last13=Northey|first13=E. H.|last14=Seeger|first14=D. R.|last15=Sickels|first15=J. P.|last16=Smith Jr|first16=J. M.|title=Synthesis of a Compound Identical with the L. Casei Factor Isolated from Liver|doi=10.1126/science.102.2644.227|journal=[[Science (journal)|Science]]|volume=102|issue=2644|pages=227–228|year=1945|pmid=17778509|bibcode=1945Sci...102..227A}}</ref><ref>{{cite journal|last1=Hoffbrand|first1=A. V.|last2=Weir|first2=D. G.|year=2001|title=The history of folic acid|journal=[[British Journal of Haematology]]|volume=113|issue=3|pages=579–589|doi=10.1046/j.1365-2141.2001.02822.x|pmid=11380441}}</ref>