August 25 – The Voyager 2 spacecraft makes its closest approach to Neptune, providing definitive proof of the planet's rings.
September 5 – Pluto–Charon barycentre comes to perihelion.[1]
Asteroid 5128 Wakabayashi is discovered by Masahiro Koishikawa.
4292 Aoba is discovered.
4871 Riverside is discovered.
6089 Izumi is discovered.
6190 Rennes is discovered
8084 Dallas is discovered.
Biology[edit]
Discovery of the cystic fibrosis trans-membrane conductance regulator gene.[2]
The New Zealand Department of Conservation begins to implement a Kakapo Recovery Plan.[3]
Computer science[edit]
March 12 - Tim Berners-Lee submits a memorandum, titled "Information Management: A Proposal", to the management at CERN for a system that would eventually become the World Wide Web.
June 8 – GNU Bash is released.[4]
July 26 – A federal grand jury indicts Cornell University student Robert Tappan Morris, Jr. for releasing a computer virus, making him the first person to be prosecuted under the 1986 Computer Fraud and Abuse Act in the United States.
Environment[edit]
The global concentration of carbon dioxide in Earth's atmosphere reaches 350 ppm (parts per million) by volume.
Physics[edit]
January – Supplee's paradox is published.[5]
March 23 – Stanley Pons and Martin Fleischmann announce cold fusion at the University of Utah.
Physiology and medicine[edit]
The Oxford Database of Perinatal Trials begins publishing online.[6]
The hepatitis C virus (HCV) is first identified by Michael Houghton and his team.
Technology[edit]
July 17 – The Northrop Grumman B-2 Spirit "Stealth Bomber" aircraft, developed for the United States Air Force, first flies.[7]
Isamu Akasaki produces the first Gallium nitride p-n junction blue/UV light-emitting diode.
Awards[edit]
Nobel Prizes
Physics – Norman F. Ramsey, Hans G. Dehmelt, Wolfgang Paul
Chemistry – Sidney Altman, Thomas R. Cech
Medicine – J. Michael Bishop, Harold E. Varmus
Turing Award – William (Velvel) Kahan
Births[edit]
May 9 – Katie Bouman, American computer imaging sci entire
Deaths[edit]
February 27 – Konrad Lorenz (born 1903), Austrian zoologist.
March 18 – Sir Harold Jeffreys (born 1891), English mathematician.
April 24 – Horace Hodes (born 1907), American medical researcher.
August 10 – Isabella Forshall (born 1900), English pediatric surgeon.
August 12 – William Shockley (born 1910), American physicist.
August 20 – George Adamson (born 1906), British wildlife conservationist.
August 29 – Sir Peter Scott (born 1909), English wildlife conservationist.
October 11 – M. King Hubbert (born 1903), American geophysicist.
October 28 – Louise Hay (born 1935), French-born American mathematician; breast cancer.
December 14 – Andrei Sakharov (born 1921), Soviet Russian nuclear physicist and political dissident.
References[edit]
^"Horizon Online Ephemeris System for Pluto Barycenter". JPL Horizons On-Line Ephemeris System @ Solar System Dynamics Group. Retrieved January 16, 2011. CS1 maint: discouraged parameter (link)
^"Identification of the cystic fibrosis gene: chromosome walking and jumping". Science. 8 September 1989. Retrieved 30 October 2013. CS1 maint: discouraged parameter (link)
^Powlesland, R. G. (1989). Kakapo Recovery Plan 1989–1994. Wellington: Department of Conservation.
^Brian Fox (forwarded by Leonard H. Tower Jr.) (June 8, 1989). "Bash is in beta release!". Newsgroup: gnu.announce. Retrieved October 28, 2010. CS1 maint: discouraged parameter (link)
^Supplee, James M. (1989). "Relativistic buoyancy". American Journal of Physics. 57 (1): 75–77. Bibcode:1989AmJPh..57...75S. doi:10.1119/1.15875. ISSN 0002-9505.
^"About the Cochrane Library". The Cochrane Library. Archived from the original on 2011-01-05. Retrieved January 25, 2011. CS1 maint: discouraged parameter (link)
^Lambert, Mark (1990). Jane's All The World's Aircraft 1990–1991. Coulsdon, UK: Jane's Defence Data. ISBN 978-0-7106-0908-3.