The year 2002 in science and technology involved some significant events
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- March 8 – Claims regarding bubble fusion, in which a table-top apparatus is reported as producing small-scale fusion in a liquid undergoing acoustic cavitation, are published.[10]
- May – Experimental discovery of a new type of radioactivity: the 2-protons radioactivity.[11][12]
- Fields Prize in Mathematics: Laurent Lafforgue and Vladimir Voevodsky
- Nobel Prizes
- Chemistry
- Physics
- Raymond Davis Jr. (Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, USA) and Masatoshi Koshiba (International Center for Elementary Particle Physics, University of Tokyo, Japan) "for pioneering contributions to astrophysics, in particular for the detection of cosmic neutrinos"
- Riccardo Giacconi (Associated Universities Inc., Washington, D.C., USA) "for pioneering contributions to astrophysics, which have led to the discovery of cosmic X-ray sources"
- Medicine
- Turing Award: Ron Rivest, Adi Shamir, and Leonard Adleman
- Wollaston Medal for Geology: Rudolf Trumpy
- January 8 – Alexander Prokhorov (b. 1916), physicist.
- February 6 – Max Perutz (b. 1914), biologist.
- February 10 – Harold Furth (b. 1930), expert in plasma physics and nuclear fusion.
- February 24 – David Hawkins (b. 1913), philosopher of science and mathematics and science educator.
- February 26 – Helen Megaw (b. 1907), crystallographer.
- March 3 – Roy Porter (b. 1946), medical historian.
- April 9 – Leopold Vietoris (b. 1891), mathematician.
- April 18 – Thor Heyerdahl (b. 1914), explorer, led the Kon-Tiki expedition.
- May 2 – W. T. Tutte (b. 1917), mathematician and cryptanalyst.
- May 20 – Stephen Jay Gould (b. 1941), paleontologist/evolutionist.
- June 20 – Erwin Chargaff (b. 1905), biochemist.
- June 29 – Ole-Johan Dahl (b. 1931), computer scientist, invented concepts in object-oriented programming.
- June 30 – W. Maxwell Cowan (b. 1931), neuroanatomist.
- July 4 – Laurent Schwartz (b. 1915), mathematician.
- August 6 – Edsger Dijkstra (b. 1930), computer scientist.
- August 31 – George Porter (b. 1920), Nobel laureate in chemistry.
- September 6 – Orvan Hess (b. 1906), obstetrician.
- September 21 – Robert Lull Forward (b. 1932), science fiction author and physicist.
- September 29 – Giuliana Tesoro (b. 1921), Italian-American organic chemist
- October 18 – Nikolai Rukavishnikov (b. 1932), cosmonaut.
- November 2 – Charles Sheffield (b. 1935), science fiction author and physicist.
- November 11 – Esther Somerfeld-Ziskind (b. 1901), neurologist and psychiatrist.
Chambers, Susan (2003). "Systema Porifera". Aquatic Conservation: Marine and Freshwater Ecosystems. 13 (5): 461–2. doi:10.1002/aqc.593.
Giovinazzo, J.; Blank, B.; Chartier, M.; Czajkowski, S.; Fleury, A.; Lopez Jimenez, M. J.; Pravikoff, M. S.; Thomas, J.-C.; de Oliveira Santos, F.; Lewitowicz, M.; Maslov, V.; Stanoiu, M.; Grzywacz, R.; Pfützner, M.; Borcea, C. & Brown, B. A. (2002-08-19). "Two-Proton Radioactivity of F45en". Physical Review Letters. 89 (10): 102501. Bibcode:2002PhRvL..89j2501G. doi:10.1103/PhysRevLett.89.102501. PMID 12225187.
Davies, H.; Bignell, G. R.; Cox, C.; Stephens, P.; Edkins, S.; Clegg, S.; Teague, J.; Woffendin, H.; Garnett, M. J.; Bottomley, W.; Davis, N.; Dicks, E.; Ewing, R.; Floyd, Y.; Gray, K.; Hall, S.; Hawes, R.; Hughes, J.; Kosmidou, V.; Menzies, A.; Mould, C.; Parker, A.; Stevens, C.; Watt, S.; Hooper, S.; Wilson, R.; Jayatilake, H.; Gusterson, B. A.; Cooper, C.; Shipley, J.; Hargrave, D.; Pritchard-Jones, K.; Maitland, N.; Chenevix-Trench, G.; Riggins, G. J.; Bigner, D. D.; Palmieri, G.; Cossu, A.; Flanagan, A.; Nicholson, A.; Ho, J. W.; Leung, S. Y.; Yuen, S. T.; Weber, B. L.; Seigler, H. F.; Darrow, T. L.; Paterson, H.; Marais, R.; Marshall, C. J.; Wooster, R.; Stratton, M. R.; Futreal, P. A. (June 2002). "Mutations of the BRAF gene in human cancer" (PDF). Nature. 417 (6892): 949–54. Bibcode:2002Natur.417..949D. doi:10.1038/nature00766. PMID 12068308. S2CID 3071547.