Editing 1879 in science (section)

==Chemistry==
* January 2 – Publication of first issue of ''[[Journal of the American Chemical Society]]''.
* [[Per Teodor Cleve]] discovers the elements [[holmium]] and [[thulium]].
* [[Lars Fredrik Nilson]] discovers the element [[scandium]].
* [[Constantin Fahlberg]] working with [[Ira Remsen]] at [[Johns Hopkins University]] discovers [[saccharin]].
* [[Rodolphe Lindt]] invents the [[conching]] machine for use in chocolate manufacture.<ref>{{cite web|url=http://www.history.com/news/hungry-history/the-sweet-history-of-chocolate|date=2014-02-14|title=The Sweet History of Chocolate|first=Christopher|last=Klein|publisher=[[History (U.S. TV channel)|History]]|access-date=2014-03-03}}</ref>
* [[Otto Schott]] develops a glass containing [[lithium]]. It is the first glass type that has a [[Homogeneity (physics)|homogeneity]] allowing [[spectrometer|spectrometric measurements]].<ref>[[Florida State University|fsu.edu]]: 
[https://micro.magnet.fsu.edu/optics/timeline/people/schott.html ''Otto Schott''] (CV)</ref>