Editing 2002 in science (section)

==Physiology and medicine==
* February – [[Intrinsically photosensitive retinal ganglion cells]] in the eye identified by [[Samer Hattar]] and colleagues.<ref>{{cite journal|year=2002|title=Melanopsin-containing retinal ganglion cells: architecture, projections, and intrinsic photosensitivity|journal=Science|volume=295|issue=5557|pages=1065–70|bibcode=2002Sci...295.1065H|doi=10.1126/science.1069609|pmc=2885915|pmid=11834834|author1=Hattar, Samer|display-authors=etal}}</ref><ref>{{cite journal|year=2002|title=Phototransduction by retinal ganglion cells that set the circadian clock|journal=Science|volume=295|issue=5557|pages=1070–3|bibcode=2002Sci...295.1070B|doi=10.1126/science.1067262|pmid=11834835|author1=Berson, David M.|s2cid=30745140|display-authors=etal}}</ref>
* May 14 – [[Red wine]] is claimed by Spanish researchers to protect against the [[common cold]].<ref>{{cite web|url=http://news.bbc.co.uk/1/hi/health/1986514.stm|publisher=BBC News|title=Red wine 'protects from colds'|date=2002-05-14|accessdate=2013-03-21}}</ref>
* June – The gene [[BRAF (gene)|BRAF]] is shown to be faulty ([[Mutation|mutated]]) in some human [[cancers]].<ref>{{cite journal|author1=Davies, H.|author2=Bignell, G. R.|author3=Cox, C.|author4=Stephens, P.|author5=Edkins, S.|author6=Clegg, S.|author7=Teague, J.|author8=Woffendin, H.|author9=Garnett, M. J.|author10=Bottomley, W.|author11=Davis, N.|author12=Dicks, E.|author13=Ewing, R.|author14=Floyd, Y.|author15=Gray, K.|author16=Hall, S.|author17=Hawes, R.|author18=Hughes, J.|author19=Kosmidou, V.|author20=Menzies, A.|author21=Mould, C.|author22=Parker, A.|author23=Stevens, C.|author24=Watt, S.|author25=Hooper, S.|author26=Wilson, R.|author27=Jayatilake, H.|author28=Gusterson, B. A.|author29=Cooper, C.|author30=Shipley, J.|author31=Hargrave, D.|author32=Pritchard-Jones, K.|author33=Maitland, N.|author34=Chenevix-Trench, G.|author35=Riggins, G. J.|author36=Bigner, D. D.|author37=Palmieri, G.|author38=Cossu, A.|author39=Flanagan, A.|author40=Nicholson, A.|author41=Ho, J. W.|author42=Leung, S. Y.|author43=Yuen, S. T.|author44=Weber, B. L.|author45=Seigler, H. F.|author46=Darrow, T. L.|author47=Paterson, H.|author48=Marais, R.|author49=Marshall, C. J.|author50=Wooster, R.|author51=Stratton, M. R.|author52=Futreal, P. A.|author-link48=Richard Marais|author-link51=Michael Stratton|title=Mutations of the BRAF gene in human cancer|journal=Nature|volume=417|issue=6892|pages=949–54|date=June 2002|pmid=12068308|doi=10.1038/nature00766|url=http://eprints.gla.ac.uk/121/1/Davis%2CH_2002_pdf.pdf|bibcode=2002Natur.417..949D|s2cid=3071547}}</ref>
* November – [[Severe acute respiratory syndrome]] (SARS) [[epidemic]] begins in [[Guangdong]] province of China.<ref>{{cite web|url=https://www.who.int/csr/sars/country/table2004_04_21/en/index.html|title=Summary of probable SARS cases with onset of illness from 1 November 2002 to 31 July 2003|publisher=[[World Health Organization]]|year=2004|accessdate=2011-06-24| archive-url= https://web.archive.org/web/20110624025825/http://www.who.int/csr/sars/country/table2004_04_21/en/index.html| archive-date= 24 June 2011 | url-status= live}}</ref>
* December 19 – [[Clozapine]] is the first drug approved by the United States [[Food and Drug Administration]] for reducing the risk of [[suicidal behaviour]].