Editing 1813 in science (section)

==Biology==
* April – [[William Charles Wells]] reads a paper to the [[Royal Society]] of [[London]] making the first clear statement about [[natural selection]].<ref>Published posthumously in 1818 in his ''[https://archive.org/details/anessayondewand00stragoog <!-- quote=William Charles Wells. --> Two Essays]''.</ref><ref>{{cite journal|last=Green|first=J. H. S.|year=1957|title=William Charles Wells FRS (1757–1817)|journal=[[Nature (journal)|Nature]]|volume=179|issue=4568|pages=997–99|doi=10.1038/179997a0|pmid=13430768|bibcode=1957Natur.179..997G}}</ref><ref>{{cite book|authorlink=Charles Darwin|quote=[Wells] distinctly recognises the principle of natural selection, and this is the first recognition which has been indicated.|last=Darwin|first=Charles|year=1866|title=On the Origin of Species by means of natural selection|publisher=Murray|location=London|edition=4th & subsequent|chapter=Historical Sketch|title-link=On the Origin of Species}}</ref><ref>{{cite book|title=Forerunners of Darwin, 1745-1859|url=https://archive.org/details/forerunnersofdar0000glas|url-access=registration|editor=Glass, Bentley|location=Baltimore|publisher=Johns Hopkins Press|year=1959|page=[https://archive.org/details/forerunnersofdar0000glas/page/369 369]|display-editors=etal}}</ref>
* [[Charles Waterton]] begins the process of turning his estate at [[Walton Hall, West Yorkshire]], [[England]], into what is, in effect, the world's first [[nature reserve]].<ref>{{cite book|first=Julia|last=Blackburn|authorlink=Julia Blackburn|title=Charles Waterton, 1782-1865: traveller and conservationist|location=London|publisher=The Bodley Head|year=1989|isbn=978-0-370-31248-4|pages=52–9}}</ref>