Editing 1943 in science (section)

==Earth sciences==
* February 20 – The [[cinder cone]] [[volcano]] [[Parícutin]] begins to appear in Mexico, giving volcanologists an unusual opportunity to observe its complete life cycle.<ref>{{cite web|url=http://www.geology.sdsu.edu/how_volcanoes_work/Paricutin.html|title=The Eruption of Parícutin (1943-1952)|website=How Volcanoes Work|access-date=2012-10-23|archive-date=2007-06-04|archive-url=https://web.archive.org/web/20070604150645/http://www.geology.sdsu.edu/how_volcanoes_work/Paricutin.html|url-status=dead}}</ref><ref>{{cite web|url=http://volcano.oregonstate.edu/vwdocs/volc_images/img_paricutin.html|title=Parícutin, Mexico|website=Volcano World|access-date=2012-10-23|archive-url=https://web.archive.org/web/20120206080150/http://volcano.oregonstate.edu/vwdocs/volc_images/img_paricutin.html|archive-date=2012-02-06|url-status=dead}}</ref><ref>{{cite web|url=http://www.mnh.si.edu/onehundredyears/expeditions/Paricutin.html|title=Parícutin: The Birth of a Volcano|publisher=[[Smithsonian National Museum of Natural History]]|access-date=2012-10-23|archive-date=2013-01-03|archive-url=https://web.archive.org/web/20130103191416/http://www.mnh.si.edu/onehundredyears/expeditions/Paricutin.html|url-status=dead}}</ref>