AI09/22/2026@ScienceDesk
DeepMind Publishes the AlphaFold 2 Paper
DeepMind, Handyside Street, King's Cross, London Borough of Camden, Greater London, England, N1C 4BP, United KingdomDeepMind
Starts 07/15/2021CONFIRMED 87% CONFIDENCE5.2 years agoNature's^[1] own page for the article gives citation_online_date 2021/07/15 and shows "15 July 2021", and Wikipedia^[2][3] says the same: "On 15 July 2021, the AlphaFold 2 paper was published in Nature as an advance access publication alongside open source software and a searchable database of species proteomes." The print issue is dated August 2021.
Nature publishes Highly accurate protein structure prediction with AlphaFold, alongside open-source code and a database of predicted proteomes. Protein structure prediction stops being a bottleneck for drug discovery.
0.70
Health09/22/2026@ScienceDesk
Köhler and Milstein Publish the Hybridoma Method
MRC Laboratory of Molecular Biology (LMB), Francis Crick Avenue, Trumpington, Cambridge, Cambridgeshire, Cambridgeshire and Peterborough, England, CB2 0QH, United KingdomMRC Laboratory of Molecular Biology
Starts 08/01/1975CONFIRMED 88% CONFIDENCE51.1 years agoNature's^[1] own page for the article gives citation_online_date 1975/08/01 and shows "01 August 1975" as the publication date, with the paper received 14 May 1975 and accepted 26 June 1975; it is Nature volume 256, issue 5517, pages 495-497.
Georges Köhler and César Milstein report in Nature that fusing an antibody-producing cell with a myeloma cell yields a line that secretes a single antibody indefinitely. Monoclonal antibodies become the basis of the modern biologics industry.
0.64
Science09/22/2026@ScienceDesk
Darwin Publishes On the Origin of Species
John Murray, 50, Albemarle Street, St. James's, East Marylebone, Mayfair, City of Westminster, Greater London, England, W1S 4BD, United KingdomJohn Murray
Starts 11/24/1859CONFIRMED 88% CONFIDENCE166.8 years agoWikipedia's^[2][3] article gives the publication date without hedging - "It was published on 24 November 1859" - and Darwin Online^[1] serves the 1859 Murray first edition (F373) that appeared on that day. The date is one of the best-attested in the history of science and no source consulted disputes it.
John Murray issues the first edition of Charles Darwin's On the Origin of Species by Means of Natural Selection from 50 Albemarle Street in London. The print run of 1,250 copies is taken up by the trade on the day of publication.
0.63
Software09/22/2026@ScienceDesk
Codd Publishes A Relational Model of Data for Large Shared Data Banks
IBM Almaden Research Center, 650, Harry Road, IBM Almaden Research Center, San Jose, Santa Clara County, California, 95120, United StatesIBM
Starts 06/30/1970ESTIMATED 75% CONFIDENCE56.2 years agoThe paper's own header gives the issue and no day: Communications of the ACM, "Volume 13 / Number 6 / June, 1970". A month with no day is estimated at that month's last day.^[1]
Ted Codd's paper in Communications of the ACM proposes storing data as relations queried by predicate logic, independent of how it is laid out on disk. It is the founding document of the relational database and of SQL.
0.62
Science09/22/2026@ScienceDesk
The Roslin Institute Announces Dolly the Sheep
The Roslin Institute, Bush Farm Road, Pentlands Science Park, Boghall, City of Edinburgh, Midlothian, Scotland, EH25 9RG, United KingdomRoslin Institute
Starts 02/22/1997CONFIRMED 90% CONFIDENCE29.6 years agoWikipedia's^[2] article on Dolly states it without hedging: "Dolly's existence was announced to the public on 22 February 1997." She had been born on 5 July 1996, so the birth and the announcement are seven months apart and this pin takes the announcement, the day the result became public.
The Roslin Institute reveals that a Finn-Dorset lamb born the previous July was cloned from an adult mammary-gland cell by somatic cell nuclear transfer - the first mammal cloned from an adult somatic cell.
0.62
Software09/22/2026@ScienceDesk
Brin and Page Publish The Anatomy of a Large-Scale Hypertextual Web Search Engine
Stanford University
Starts 04/18/1998 ESTIMATED 73% CONFIDENCE28.4 years agoThe paper was presented at the Seventh International World Wide Web Conference, held in Brisbane on 14-18 April 1998, and published in the proceedings at pages 107-117; the paper itself carries no date. With only a conference window, the pin takes its closing day rather than its first.^[1]
Sergey Brin and Lawrence Page present Google, a search-engine prototype that ranks pages by the link structure of the web rather than by page text alone. The paper describes PageRank and a prototype indexing 24 million pages.
0.60
Science09/22/2026@ScienceDesk
The Curies Announce the Discovery of Radium
Institut de France, Rue de Seine, Quartier de Saint-Germain-des-Prés, 6th Arrondissement, Paris, Ile-de-France, Metropolitan France, 75006, FranceFrench Academy of Sciences
Starts 12/26/1898CONFIRMED 88% CONFIDENCE127.7 years agoWikipedia's^[2] Radium article dates both steps: "Radium was discovered by Marie Sklodowska-Curie and her husband Pierre Curie on 21 December 1898 in a uraninite (pitchblende) sample from Jachymov" and "The Curies announced their discovery to the French Academy of Sciences on 26 December 1898". The pin is the announcement, the public event of the two.
Marie and Pierre Curie announce radium to the French Academy of Sciences in Paris, five days after isolating it from pitchblende ore mined at Jachymov. It is the second element they identify that year, after polonium.
0.60
Science09/22/2026@ScienceDesk
Mendeleev Presents the Periodic Table
St. Petersburg State University, Менделеевская линия, округ № 7, Saint Petersburg, Northwestern Federal District, 199034, RussiaRussian Chemical Society
Starts 03/06/1869CONFIRMED 85% CONFIDENCE157.6 years agoWikipedia's^[2][3] Dmitri Mendeleev article states it plainly: "On 6 March 1869, he made a formal presentation to the Russian Chemical Society, titled The Dependence between the Properties of the Atomic Weights of the Elements". Russia was still on the Julian calendar, so contemporary Russian sources date the work to February; the manuscript sheet on Commons is signed 17.02.1869, the Julian date for 1 March, and the pin uses the Gregorian date Wikipedia gives for the presentation itself.
Dmitri Mendeleev's paper The Dependence between the Properties of the Atomic Weights of the Elements is read to the Russian Chemical Society in St Petersburg, arranging the known elements by atomic weight and valence and leaving gaps for elements not yet found.
0.59
Science09/22/2026@ScienceDesk
CERN Announces a Particle Consistent With the Higgs Boson
CERN, 1, Route de Meyrin, Meyrin, Geneva, 1211, SwitzerlandCERN
Starts 07/04/2012CONFIRMED 88% CONFIDENCE14.2 years agoCERN's own press release is dated the day of the seminar, and Wikipedia's^[2] Higgs boson article repeats it throughout: "On 4 July 2012, the discovery of a new particle with a mass between 125 and 127 GeV/c2 was announced" and "On 4 July 2012 both of the CERN experiments announced they had independently made the same discovery".
At a seminar at CERN, the ATLAS and CMS experiments each report a new boson at around 125-126 GeV at five sigma, independently and from the same data-taking runs. It is the last unverified piece of the Standard Model.
0.59
AI09/22/2026@TechDesk
Anthropic Confirms It Runs a Wet Biology Lab in the Bay Area
San Francisco, California, United StatesAnthropic
Starts 09/18/2026CONFIRMED 93% CONFIDENCE5 days agoThe source^[1] page carries its own date of 22 September 2026 and is a write-up of earlier reporting, so the event's date comes from the two reports it is built on: Reuters^[2] published the exclusive at 3:02 AM PDT on 18 September 2026 and TechCrunch^[3] the confirmation at 4:13 PM PDT the same day - "Anthropic^[4][5][6] has a wet biology lab in the Bay Area where it can use its AI models to run physical experiments, it has confirmed to TechCrunch". The pin is the day the lab was disclosed: Anthropic gave no date for when it opened and declined to say where it is beyond the Bay Area, so the pin sits on San Francisco, the city of its own headquarters.
Anthropic confirmed it operates a wet biology lab in the Bay Area where its models can run physical experiments, its head of life sciences Eric Kauderer-Abrams saying the company is doing real lab work today. Anthropic says the facility's focus is fundamental biology rather than drug discovery, where it partners with pharma customers including Novo Nordisk.
0.59
Health09/23/2026@HealthDesk
J&J Picks Wilson, North Carolina for a Second 500-Job Drug Plant
Wilson, Wilson County, North Carolina, United StatesJohnson & Johnson…
Starts 01/09/2026CONFIRMED 87% CONFIDENCE257 days agoThe governor's release is dated "Friday, January 9, 2026" and begins "Today Governor Josh Stein announced Johnson & Johnson ... will expand its presence in North Carolina"; the Wilson Times^[3] says Stein "made the announcement Friday afternoon".
North Carolina Governor Josh Stein announced that Johnson & Johnson will build a second multibillion-dollar plant in Wilson, a drug product manufacturing facility for cancer and neurology medicines expected to create up to 500 jobs, beside the $2 billion biologics campus it is already building there.
0.58
Science09/21/2026@ScienceDesk
SKA-Low Opens Science Verification at AA2
SKA ObservatoryMurchison Radio-astronomy Observatory, Western Australia, Australia
Starts 06/30/2027ESTIMATED 63% CONFIDENCEin 280 daysSKAO's^[1] own science-operations timeline puts SKA-Low's AA2 Science Verification at 2027, and the observatory has said verification is offered with AA2 in the first half of that year; with no day announced the pin takes the end of the stated window.
The SKA's low-frequency telescope in Western Australia reaches its AA2 array assembly in 2027, the stage at which science verification observations begin.
0.58

The issue itself carries the date: the paper was "published by Francis Crick and James D. Watson in the scientific journal Nature^[1] on pages 737-738 of its 171st volume (dated 25 April 1953)", and Nature's own page for the article gives the same issue date.

Start: Apr 25, 195390% CONFIDENCEfrom the source

Watson and Crick Publish the Structure of DNA

Nature carries Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid, the paper in which Francis Crick and James Watson describe the double helix. It runs to two pages and settles how genetic instructions are held and passed on.

Nature published Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid on 25 April 1953, pages 737-738 of volume 171^[1][2]
It was the first article to describe the double helix, using X-ray diffraction and the mathematics of a helix transform^[2]
The paper is brief and answers a fundamental question - how genetic instructions are held inside organisms and passed between generations - which surprised biologists who expected the answer to be harder to reach^[2]
The model itself was built at the Cavendish Laboratory in Cambridge; parts of it, including the aluminium base templates, survive in the Science Museum in London^[3]

@ScienceDesk

References 385% CONFIDENCE

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

[1]90%
nature.com/articles/171737a0
nature.com· Posted Sep 22, 2026· Starts Apr 25, 1953 ✓· 33% of score
The issue itself carries the date: the paper was "published by Francis Crick and James D. Watson in the scientific journal Nature on pages 737-738 of its 171st volume (dated 25 April 1953)", and Nature's own page for the article gives the same issue date.
[2]90%
Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid
en.wikipedia.org· Added Sep 22, 2026· 33% of score
Gives the journal, volume, pages and issue date, and describes the method - X-ray diffraction and the mathematics of a helix transform - and why the paper is called a "pearl" of science.^[1]
[3]75%
Cavendish Laboratory
en.wikipedia.org· Added Sep 22, 2026· 33% of score
The Cambridge physics department where Watson and Crick built the model, and where this pin is placed; the old laboratory on Free School Lane.^[1]

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1Watson and Crick Publish the Structure of DNA

AI09/22/2026@ScienceDesk
DeepMind Publishes the AlphaFold 2 Paper
DeepMind, Handyside Street, King's Cross, London Borough of Camden, Greater London, England, N1C 4BP, United KingdomDeepMind
Starts 07/15/2021CONFIRMED 87% CONFIDENCE5.2 years agoNature's^[1] own page for the article gives citation_online_date 2021/07/15 and shows "15 July 2021", and Wikipedia^[2][3] says the same: "On 15 July 2021, the AlphaFold 2 paper was published in Nature as an advance access publication alongside open source software and a searchable database of species proteomes." The print issue is dated August 2021.
Nature publishes Highly accurate protein structure prediction with AlphaFold, alongside open-source code and a database of predicted proteomes. Protein structure prediction stops being a bottleneck for drug discovery.
0.70
Health09/22/2026@ScienceDesk
Köhler and Milstein Publish the Hybridoma Method
MRC Laboratory of Molecular Biology (LMB), Francis Crick Avenue, Trumpington, Cambridge, Cambridgeshire, Cambridgeshire and Peterborough, England, CB2 0QH, United KingdomMRC Laboratory of Molecular Biology
Starts 08/01/1975CONFIRMED 88% CONFIDENCE51.1 years agoNature's^[1] own page for the article gives citation_online_date 1975/08/01 and shows "01 August 1975" as the publication date, with the paper received 14 May 1975 and accepted 26 June 1975; it is Nature volume 256, issue 5517, pages 495-497.
Georges Köhler and César Milstein report in Nature that fusing an antibody-producing cell with a myeloma cell yields a line that secretes a single antibody indefinitely. Monoclonal antibodies become the basis of the modern biologics industry.
0.64
Science09/22/2026@ScienceDesk
Darwin Publishes On the Origin of Species
John Murray, 50, Albemarle Street, St. James's, East Marylebone, Mayfair, City of Westminster, Greater London, England, W1S 4BD, United KingdomJohn Murray
Starts 11/24/1859CONFIRMED 88% CONFIDENCE166.8 years agoWikipedia's^[2][3] article gives the publication date without hedging - "It was published on 24 November 1859" - and Darwin Online^[1] serves the 1859 Murray first edition (F373) that appeared on that day. The date is one of the best-attested in the history of science and no source consulted disputes it.
John Murray issues the first edition of Charles Darwin's On the Origin of Species by Means of Natural Selection from 50 Albemarle Street in London. The print run of 1,250 copies is taken up by the trade on the day of publication.
0.63
Software09/22/2026@ScienceDesk
Codd Publishes A Relational Model of Data for Large Shared Data Banks
IBM Almaden Research Center, 650, Harry Road, IBM Almaden Research Center, San Jose, Santa Clara County, California, 95120, United StatesIBM
Starts 06/30/1970ESTIMATED 75% CONFIDENCE56.2 years agoThe paper's own header gives the issue and no day: Communications of the ACM, "Volume 13 / Number 6 / June, 1970". A month with no day is estimated at that month's last day.^[1]
Ted Codd's paper in Communications of the ACM proposes storing data as relations queried by predicate logic, independent of how it is laid out on disk. It is the founding document of the relational database and of SQL.
0.62
Science09/22/2026@ScienceDesk
The Roslin Institute Announces Dolly the Sheep
The Roslin Institute, Bush Farm Road, Pentlands Science Park, Boghall, City of Edinburgh, Midlothian, Scotland, EH25 9RG, United KingdomRoslin Institute
Starts 02/22/1997CONFIRMED 90% CONFIDENCE29.6 years agoWikipedia's^[2] article on Dolly states it without hedging: "Dolly's existence was announced to the public on 22 February 1997." She had been born on 5 July 1996, so the birth and the announcement are seven months apart and this pin takes the announcement, the day the result became public.
The Roslin Institute reveals that a Finn-Dorset lamb born the previous July was cloned from an adult mammary-gland cell by somatic cell nuclear transfer - the first mammal cloned from an adult somatic cell.
0.62
Software09/22/2026@ScienceDesk
Brin and Page Publish The Anatomy of a Large-Scale Hypertextual Web Search Engine
Stanford University
Starts 04/18/1998 ESTIMATED 73% CONFIDENCE28.4 years agoThe paper was presented at the Seventh International World Wide Web Conference, held in Brisbane on 14-18 April 1998, and published in the proceedings at pages 107-117; the paper itself carries no date. With only a conference window, the pin takes its closing day rather than its first.^[1]
Sergey Brin and Lawrence Page present Google, a search-engine prototype that ranks pages by the link structure of the web rather than by page text alone. The paper describes PageRank and a prototype indexing 24 million pages.
0.60
Science09/22/2026@ScienceDesk
The Curies Announce the Discovery of Radium
Institut de France, Rue de Seine, Quartier de Saint-Germain-des-Prés, 6th Arrondissement, Paris, Ile-de-France, Metropolitan France, 75006, FranceFrench Academy of Sciences
Starts 12/26/1898CONFIRMED 88% CONFIDENCE127.7 years agoWikipedia's^[2] Radium article dates both steps: "Radium was discovered by Marie Sklodowska-Curie and her husband Pierre Curie on 21 December 1898 in a uraninite (pitchblende) sample from Jachymov" and "The Curies announced their discovery to the French Academy of Sciences on 26 December 1898". The pin is the announcement, the public event of the two.
Marie and Pierre Curie announce radium to the French Academy of Sciences in Paris, five days after isolating it from pitchblende ore mined at Jachymov. It is the second element they identify that year, after polonium.
0.60
Science09/22/2026@ScienceDesk
Mendeleev Presents the Periodic Table
St. Petersburg State University, Менделеевская линия, округ № 7, Saint Petersburg, Northwestern Federal District, 199034, RussiaRussian Chemical Society
Starts 03/06/1869CONFIRMED 85% CONFIDENCE157.6 years agoWikipedia's^[2][3] Dmitri Mendeleev article states it plainly: "On 6 March 1869, he made a formal presentation to the Russian Chemical Society, titled The Dependence between the Properties of the Atomic Weights of the Elements". Russia was still on the Julian calendar, so contemporary Russian sources date the work to February; the manuscript sheet on Commons is signed 17.02.1869, the Julian date for 1 March, and the pin uses the Gregorian date Wikipedia gives for the presentation itself.
Dmitri Mendeleev's paper The Dependence between the Properties of the Atomic Weights of the Elements is read to the Russian Chemical Society in St Petersburg, arranging the known elements by atomic weight and valence and leaving gaps for elements not yet found.
0.59
Science09/22/2026@ScienceDesk
CERN Announces a Particle Consistent With the Higgs Boson
CERN, 1, Route de Meyrin, Meyrin, Geneva, 1211, SwitzerlandCERN
Starts 07/04/2012CONFIRMED 88% CONFIDENCE14.2 years agoCERN's own press release is dated the day of the seminar, and Wikipedia's^[2] Higgs boson article repeats it throughout: "On 4 July 2012, the discovery of a new particle with a mass between 125 and 127 GeV/c2 was announced" and "On 4 July 2012 both of the CERN experiments announced they had independently made the same discovery".
At a seminar at CERN, the ATLAS and CMS experiments each report a new boson at around 125-126 GeV at five sigma, independently and from the same data-taking runs. It is the last unverified piece of the Standard Model.
0.59
AI09/22/2026@TechDesk
Anthropic Confirms It Runs a Wet Biology Lab in the Bay Area
San Francisco, California, United StatesAnthropic
Starts 09/18/2026CONFIRMED 93% CONFIDENCE5 days agoThe source^[1] page carries its own date of 22 September 2026 and is a write-up of earlier reporting, so the event's date comes from the two reports it is built on: Reuters^[2] published the exclusive at 3:02 AM PDT on 18 September 2026 and TechCrunch^[3] the confirmation at 4:13 PM PDT the same day - "Anthropic^[4][5][6] has a wet biology lab in the Bay Area where it can use its AI models to run physical experiments, it has confirmed to TechCrunch". The pin is the day the lab was disclosed: Anthropic gave no date for when it opened and declined to say where it is beyond the Bay Area, so the pin sits on San Francisco, the city of its own headquarters.
Anthropic confirmed it operates a wet biology lab in the Bay Area where its models can run physical experiments, its head of life sciences Eric Kauderer-Abrams saying the company is doing real lab work today. Anthropic says the facility's focus is fundamental biology rather than drug discovery, where it partners with pharma customers including Novo Nordisk.
0.59
Health09/23/2026@HealthDesk
J&J Picks Wilson, North Carolina for a Second 500-Job Drug Plant
Wilson, Wilson County, North Carolina, United StatesJohnson & Johnson…
Starts 01/09/2026CONFIRMED 87% CONFIDENCE257 days agoThe governor's release is dated "Friday, January 9, 2026" and begins "Today Governor Josh Stein announced Johnson & Johnson ... will expand its presence in North Carolina"; the Wilson Times^[3] says Stein "made the announcement Friday afternoon".
North Carolina Governor Josh Stein announced that Johnson & Johnson will build a second multibillion-dollar plant in Wilson, a drug product manufacturing facility for cancer and neurology medicines expected to create up to 500 jobs, beside the $2 billion biologics campus it is already building there.
0.58
Science09/21/2026@ScienceDesk
SKA-Low Opens Science Verification at AA2
SKA ObservatoryMurchison Radio-astronomy Observatory, Western Australia, Australia
Starts 06/30/2027ESTIMATED 63% CONFIDENCEin 280 daysSKAO's^[1] own science-operations timeline puts SKA-Low's AA2 Science Verification at 2027, and the observatory has said verification is offered with AA2 in the first half of that year; with no day announced the pin takes the end of the stated window.
The SKA's low-frequency telescope in Western Australia reaches its AA2 array assembly in 2027, the stage at which science verification observations begin.
0.58

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