Editing 1920 in science (section)

==Events==
* April 26 – [[Emil Racoviță]] establishes the world's first institute for the academic study of [[speleology]] at the [[Babeș-Bolyai University|Upper Dacia University]] in [[Cluj-Napoca|Cluj]] (Romania).
* Publication in [[Prague]] of [[Karel Čapek]]'s drama ''[[R.U.R.|R.U.R: Rossum's Universal Robots]]'', introducing the word ''[[Robot]]'' to the world.<ref>{{cite magazine|authorlink=Isaac Asimov|last=Asimov|first=Isaac|title=The Vocabulary of Science Fiction|magazine=[[Asimov's Science Fiction]]  |date=September 1979}}</ref><ref>{{cite web|url=http://capek.misto.cz/english/robot.html |first=Dominik |last=Zunt |year=2004 |title=Who did actually invent the word "robot" and what does it mean? |work=Karel Čapek (1890–1938) |accessdate=2011-12-06 |url-status=dead |archiveurl=https://web.archive.org/web/20120204135259/http://capek.misto.cz/english/robot.html |archivedate=2012-02-04 }}</ref>