Everything about 29

🧭 Start here: a 6-step reading path

1. Read the overview: 29A 5-minute orientation
2. Skim a recent paper: Estimates and Projections of the Global Economic Cost of 29 Cancers in 204 Countries and Territories From 2020 to 2050Influential work since 2022
3. Pick up a classic book: The Five Love LanguagesThe most-reprinted book on the subject
4. Read the landmark paper: MRC European Carotid Surgery Trial: interim results for symptomatic patients with severe (70-99%) or with mild (0-29%) carotid stenosisCited 2,794 times
5. Go sideways: 28A closely related topic
6. Go sideways: 22A closely related topic

🏆 Landmark papers (most cited)

• MRC European Carotid Surgery Trial: interim results for symptomatic patients with severe (70-99%) or with mild (0-29%) carotid stenosis

  Charles Warlow · 1991 · The Lancet · 2,794 citations

• Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction

  Amran Al-Ashouri, Eike Köhnen, Bor Li · 2020 · Science · 2,145 citations

• Global, Regional, and National Cancer Incidence, Mortality, Years of Life Lost, Years Lived With Disability, and Disability-Adjusted Life-Years for 29 Cancer Groups, 1990 to 2017

  Global Burden of Disease Cancer Collaboration, Christina Fitzmaurice, Degu Abate · 2019 · JAMA Oncology · 2,012 citations

• Cancer Incidence, Mortality, Years of Life Lost, Years Lived With Disability, and Disability-Adjusted Life Years for 29 Cancer Groups From 2010 to 2019

  Global Burden of Disease 2019 Cancer Collaboration, Jonathan M. Kocarnik, Kelly Compton · 2022 · JAMA Oncology · 1,854 citations

• p63, a p53 Homolog at 3q27–29, Encodes Multiple Products with Transactivating, Death-Inducing, and Dominant-Negative Activities

  Annie Yang, Mourad Kaghad, Yunmei Wang · 1998 · Molecular Cell · 1,763 citations

• The new life stage of emerging adulthood at ages 18–29 years: implications for mental health

  Jeffrey J Arnett, Rita Žukauskienė, Kazumi Sugimura · 2014 · The Lancet Psychiatry · 1,706 citations

• A cochlear frequency-position function for several species—29 years later

  Donald D. Greenwood · 1990 · The Journal of the Acoustical Society of America · 1,647 citations

• Dysregulation of microRNAs after myocardial infarction reveals a role of miR-29 in cardiac fibrosis

  Eva van Rooij, Lillian B. Sutherland, Jeffrey E. Thatcher · 2008 · Proceedings of the National Academy of Sciences · 1,603 citations

🆕 Influential since 2022

• Estimates and Projections of the Global Economic Cost of 29 Cancers in 204 Countries and Territories From 2020 to 2050

  Simiao Chen, Zhong Cao, Klaus Prettner · 2023 · JAMA Oncology · 918 citations

• Age of onset and cumulative risk of mental disorders: a cross-national analysis of population surveys from 29 countries

  John J McGrath, Ali Al-Hamzawi, Jordi Alonso · 2023 · The Lancet Psychiatry · 650 citations

• All-perovskite tandem solar cells achieving >29% efficiency with improved (100) orientation in wide-bandgap perovskites

  Zhou Liu, Renxing Lin, Mingyang Wei · 2025 · Nature Materials · 383 citations

• Fully Textured, Production‐Line Compatible Monolithic Perovskite/Silicon Tandem Solar Cells Approaching 29% Efficiency

  Lin Mao, Tian Yang, Hao Zhang · 2022 · Advanced Materials · 328 citations

• Ongoing monkeypox virus outbreak, Portugal, 29 April to 23 May 2022

  Mariana Perez Duque, Sofia Ribeiro, João Vieira Martins · 2022 · Eurosurveillance · 182 citations

📚 Books worth reading

• The Five Love LanguagesGary D. Chapman · 1992
• Purpose-Driven Life, TheRick Warren · 1997
• The InstituteStephen King · 2019
• The Queen's gambitWalter S. Tevis · 1983
• Marketing researchNaresh K. Malhotra, SPSS SPSS · 1993
• The TestamentsMargaret Atwood · 2019
• Statistics for People Who (Think They) Hate StatisticsNeil J. Salkind · 2000
• My Year of Rest and RelaxationOttessa Moshfegh · 2018

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics

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• 22 Look up 22, twenty-two, or twenty two in Wiktionary, the free dictionary. Twenty-two or 22 may refer to: 22 (number), the natural number following 21 and…
• 21 Look up twenty-one in Wiktionary, the free dictionary. Twenty-one, XXI or 21 may refer to: 21 (number), the natural number following 20 and preceding 22…
• 23 Look up twenty-three in Wiktionary, the free dictionary. 23 may refer to: 23 (number), the natural number following 22 and preceding 24 one of the years…
• 24 Look up 24 in Wiktionary, the free dictionary. 24 may refer to: 24 (number), the natural number following 23 and preceding 25 one of the years 24 BC, AD…
• 20 Look up twenty in Wiktionary, the free dictionary. Twenty or 20 may refer to: 20 (number), the natural number following 19 and preceding 21 one of the…
• 999 999 or triple nine most often refers to: 999 (emergency telephone number), a telephone number for the emergency services in several countries 999 (number)…
• 25 Look up twenty-five in Wiktionary, the free dictionary. Twenty-five or 25 may refer to: 25 (number), the natural number following 24 and preceding 26 one…