1972 in science

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Last updated June 17, 2024

The year 1972 in science and technology involved some significant events, listed below.

Astronomy and space exploration

January 5 – President of the United States Richard Nixon orders the development of a Space Shuttle program.
February 4 – Mariner 9 sends pictures from Mars.
February 21 – The Soviet uncrewed spacecraft Luna 20 lands on the Moon.
March 2 – Launch of Pioneer 10 spacecraft.
April 16 – Apollo 16 launched.
June 30 – The International Time Bureau adds the first leap second to Coordinated Universal Time (UTC).
July 23 – The United States launches Landsat 1, the first Earth-resources satellite.
December 7 – Apollo 17 launched with three astronauts and five mice, and The Blue Marble photograph of the Earth is taken.
December 11 – NASA astronauts Eugene Cernan and Harrison Schmitt land on the Moon and begin a three-day exploration.

Biology

February – S. J. Singer and Garth L. Nicolson describe the fluid mosaic model of the functional cell membrane.^[1]
September – Geoffrey Burnstock proposes the existence of a non-adrenergic, non-cholinergic (NANC) neurotransmitter, which he identifies as adenosine triphosphate (ATP), originating the term 'purinergic signalling'.^[2]
October 1 – The first publication reporting the production of a recombinant DNA molecule, by Paul Berg and colleagues, marks the birth of modern molecular biology methodology.^[3]
Niles Eldredge and Stephen Jay Gould publish their landmark paper on punctuated equilibrium.^[4]
Socorro doves (Zenaida graysoni) last seen in the wild. The species precariously survives in captivity. A reintroduction program is being prepared.

Computer science

April 6 – Cray Research founded.^[5]
May – Magnavox release the first home video game console which can be connected to a television set – the Magnavox Odyssey, invented by Ralph H. Baer.^[6]
July 12 – First C compiler released.^[7]
October – The First International Conference on Computer Communications is held in Washington, D.C., and hosts the first public demonstration of ARPAnet, a precursor of the Internet.
November 29 – Atari release the production version of Pong , one of the first video games, devised by Nolan Bushnell and Allan Alcorn.
Karen Spärck Jones introduces the concept of inverse document frequency (idf) weighting in information retrieval.^[8]
Write-only memory is devised as a joke in Signetics.^[9]

Earth sciences

February 8 – First Global Boundary Stratotype Section and Point (GSSP) defined at the Silurian-Devonian boundary at Klonk in the Czech Republic.^[10]

Ecology

January – A Blueprint for Survival first published as a special edition of The Ecologist magazine in the United Kingdom.^[11]
James Lovelock first refers to the Gaia hypothesis in print.^[12]
The Climatic Research Unit is founded by climatologist Hubert Lamb at the University of East Anglia in the UK.

Mathematics

Daniel Quillen formulates higher algebraic K-theory.
Daniel Gorenstein announces a 16-step program for completing the classification of finite simple groups.^[13]
Richard M. Karp shows that the Hamiltonian cycle problem is NP-complete.

Medicine

January 31 – Immunosuppressive effect of ciclosporin discovered by a team at Sandoz, Basel, under Hartmann F. Stähelin.
Harvey J. Alter identifies the presence of hepatitis C virus.
Tu Youyou and collaborators obtain a pure extract of the antiplasmodial drug artemisinin.
Archie Cochrane publishes Effectiveness and Efficiency: Random Reflections on Health Services in the U.K.
John Yudkin publishes Pure, White and Deadly in the U.K., warning of the dangers of sucrose in diet.
The last major epidemic of smallpox in Europe breaks out in Yugoslavia.

Metrology

00:00:00 UTC matches 00:00:10 TAI exactly and the tick rate of UTC is changed to match TAI exactly.^[14]

Paleontology

Kielan-Jawarowska and Rinchen Barsbold report the associated remains of a Velociraptor and Protoceratops apparently killed and preserved while fighting.

Psychology

Daniel Kahneman and Amos Tversky begin to publish together on cognitive bias and heuristics in judgment and decision-making.

Technology

February 1 – The first scientific hand-held calculator (labeled Hewlett-Packard, later designated the HP-35) is introduced, at a price of $395.00.
July 10 – Jack Cover files U.S. patent 3,803,463 for the original form of Taser electroshock weapon.
English inventor Peter Powell develops a steerable dual-line kite.

Awards

Births

March 31 – Evan Williams, American Internet entrepreneur.
April 5 – Nima Arkani-Hamed, Canadian-American theoretical physicist.
June 21 – Warren Lyford DeLano, American bioinformatician and open source advocate (d. 2009).
unknown date – Kathy Vivas, Venezuelan astrophysicist^[15]

Deaths

February 20 – Maria Goeppert Mayer (b. 1906), German-American theoretical physicist, recipient of the Nobel Prize in Physics.
May 4 – Edward Calvin Kendall (b. 1886), American chemist, recipient of the Nobel Prize in Physiology or Medicine.
May 8 – Beatrice Helen Worsley (b. 1921), Canadian computer scientist.
August 11 – Max Theiler (b. 1899), South African-born American virologist, recipient of the Nobel Prize in Physiology or Medicine.
August 22 – Ștefan Procopiu (b. 18990), Romanian physicist.
August 25 – Lucien Bull (b. 1876), Irish-born French pioneer in chronophotography.
October 1 – Louis Leakey (b. 1903), British paleoanthropologist.
November 25 – Henri Coandă (b. 1886), Romanian aeronautical engineer.

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Purinergic signalling is a form of extracellular signalling mediated by purine nucleotides and nucleosides such as adenosine and ATP. It involves the activation of purinergic receptors in the cell and/or in nearby cells, thereby regulating cellular functions.

References

↑ Singer, S. J.; Nicolson, G. L. (1972). "The fluid mosaic model of the structure of cell membranes". Science . 175 (4023): 720–31. doi:10.1126/science.175.4023.720. PMID 4333397. S2CID 83851531.
↑ G., Burnstock (1972). "Purinergic nerves". Pharmacological Reviews . 24 (3): 509–81. PMID 4404211.
↑ Jackson, David A.; Symons, Robert H; Berg, Paul (1972). "Biochemical Method for Inserting New Genetic Information into DNA of Simian Virus 40: Circular SV40 DNA Molecules Containing Lambda Phage Genes and the Galactose Operon of Escherichia coli". Proceedings of the National Academy of Sciences of the United States of America . 69 (10): 2904–2909. Bibcode:1972PNAS...69.2904J. doi: 10.1073/pnas.69.10.2904 . PMC 389671 . PMID 4342968.
↑ Eldredge, N.; Gould, S. J. (1972). "Punctuated equilibria: an alternative to phyletic gradualism". In Schopf, T. J. M. (ed.). Models in Paleobiology. San Francisco: Freeman, Cooper. pp. 82–115.
↑ "Cray Timeline" (PDF). Cray. Archived from the original (PDF) on 2011-03-31. Retrieved 2011-04-04.
↑ Moore, Michael E.; Novak, Jeannie (2010). Game Industry Career Guide. Delmar: Cengage Learning. p. 7. ISBN 978-1-4283-7647-2. In 1966, Ralph H. Baer ... pitched an idea ... to create interactive games to be played on the television. Over the next two years, his team developed the first video game system—and in 1968, they demonstrated the "Brown Box," a device on which several games could be played and that used a light gun to shoot targets on the screen. After several more years of development, the system was licensed by Magnavox in 1970 and the first game console system, the Odyssey, was released in 1972 at the then high price of $100.
↑ Thompson, Ken; Ritchie, Dennis M. (June 12, 1972). UNIX Programmer's Manual, Second Edition (PDF). Bell Telephone Laboratories. Archived from the original (PDF) on 2016-10-06.
↑ Spärck Jones, K. (1972). "A Statistical Interpretation of Term Specificity and Its Application in Retrieval". Journal of Documentation. 28: 11–21. CiteSeerX 10.1.1.115.8343 . doi:10.1108/eb026526. S2CID 2996187.
↑ Pease, Bob. "The origin of the WOM – the "Write Only Memory"". National Semiconductor. Archived from the original on 2011-09-10. Retrieved 2012-11-11.
↑ Chlupáč, Ivo; Hladil, Jindrich (January 2000). "The global stratotype section and point of the Silurian-Devonian boundary". CFS Courier Forschungsinstitut Senckenberg. Retrieved 2020-12-07.
↑ "About The Ecologist". The Ecologist . Retrieved 2012-02-10.
↑ Lovelock, J. E. (August 1972). "Gaia as seen through the atmosphere". Atmospheric Environment. 6 (8): 579–580. Bibcode:1972AtmEn...6..579L. doi:10.1016/0004-6981(72)90076-5. ISSN 0004-6981.
↑ Gorenstein, D. (1979). "The classification of finite simple groups. I. Simple groups and local analysis". Bulletin of the American Mathematical Society. New Series. 1 (1): 43–199. doi: 10.1090/S0273-0979-1979-14551-8 . ISSN 0002-9904. MR 0513750. Appendix.
↑ Blair, Byron E., ed. (1974). Time and Frequency: Theory and Fundamentals (PDF). National Bureau of Standards. p. 32.
↑ Graterol, Javier (18 May 2009). "La astronomía es una ciencia apasionante". El Nacional.

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[1] Singer, S. J.; Nicolson, G. L. (1972). "The fluid mosaic model of the structure of cell membranes". Science . 175 (4023): 720–31. doi:10.1126/science.175.4023.720. PMID 4333397. S2CID 83851531.

[2] G., Burnstock (1972). "Purinergic nerves". Pharmacological Reviews . 24 (3): 509–81. PMID 4404211.

[3] Jackson, David A.; Symons, Robert H; Berg, Paul (1972). "Biochemical Method for Inserting New Genetic Information into DNA of Simian Virus 40: Circular SV40 DNA Molecules Containing Lambda Phage Genes and the Galactose Operon of Escherichia coli". Proceedings of the National Academy of Sciences of the United States of America . 69 (10): 2904–2909. Bibcode:1972PNAS...69.2904J. doi: 10.1073/pnas.69.10.2904 . PMC 389671 . PMID 4342968.

[4] Eldredge, N.; Gould, S. J. (1972). "Punctuated equilibria: an alternative to phyletic gradualism". In Schopf, T. J. M. (ed.). Models in Paleobiology. San Francisco: Freeman, Cooper. pp. 82–115.

[5] "Cray Timeline" (PDF). Cray. Archived from the original (PDF) on 2011-03-31. Retrieved 2011-04-04.

[6] Moore, Michael E.; Novak, Jeannie (2010). Game Industry Career Guide. Delmar: Cengage Learning. p. 7. ISBN 978-1-4283-7647-2. In 1966, Ralph H. Baer ... pitched an idea ... to create interactive games to be played on the television. Over the next two years, his team developed the first video game system—and in 1968, they demonstrated the "Brown Box," a device on which several games could be played and that used a light gun to shoot targets on the screen. After several more years of development, the system was licensed by Magnavox in 1970 and the first game console system, the Odyssey, was released in 1972 at the then high price of $100.

[V2-7] Thompson, Ken; Ritchie, Dennis M. (June 12, 1972). UNIX Programmer's Manual, Second Edition (PDF). Bell Telephone Laboratories. Archived from the original (PDF) on 2016-10-06.

[8] Spärck Jones, K. (1972). "A Statistical Interpretation of Term Specificity and Its Application in Retrieval". Journal of Documentation. 28: 11–21. CiteSeerX 10.1.1.115.8343 . doi:10.1108/eb026526. S2CID 2996187.

[9] Pease, Bob. "The origin of the WOM – the "Write Only Memory"". National Semiconductor. Archived from the original on 2011-09-10. Retrieved 2012-11-11.

[10] Chlupáč, Ivo; Hladil, Jindrich (January 2000). "The global stratotype section and point of the Silurian-Devonian boundary". CFS Courier Forschungsinstitut Senckenberg. Retrieved 2020-12-07.

[11] "About The Ecologist". The Ecologist . Retrieved 2012-02-10.

[12] Lovelock, J. E. (August 1972). "Gaia as seen through the atmosphere". Atmospheric Environment. 6 (8): 579–580. Bibcode:1972AtmEn...6..579L. doi:10.1016/0004-6981(72)90076-5. ISSN 0004-6981.

[13] Gorenstein, D. (1979). "The classification of finite simple groups. I. Simple groups and local analysis". Bulletin of the American Mathematical Society. New Series. 1 (1): 43–199. doi: 10.1090/S0273-0979-1979-14551-8 . ISSN 0002-9904. MR 0513750. Appendix.

[14] Blair, Byron E., ed. (1974). Time and Frequency: Theory and Fundamentals (PDF). National Bureau of Standards. p. 32.

[:02-15] Graterol, Javier (18 May 2009). "La astronomía es una ciencia apasionante". El Nacional.

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