August 2020 PMID 32699413

The timing and effect of the earliest human arrivals in North America.

Lorena Becerra-Valdivia, Thomas Higham

Mentions

198
Peak: 12 in Jul 2020
across 7 sources since Jul 2020

Extended reach

1,042,969
potential audience

Total likes

14,740

Video views

668,832

Mentions per month

Jul 2020 – Jun 2025

Where it's discussed

  • News131 articles
  • X / Twitter31 posts
  • Blogs26 articles
  • Reddit4 posts
  • Facebook3 posts
  • YouTube2 videos
  • Bluesky1 posts

AI synopsis

What people are saying

Discussions emphasize the significance of the publication’s challenge to traditional models, with terms like 'supports', 'builds', and 'puts together' illustrating engagement with evidence and methods. Words like 'game changer' and mention of 'early human activity' highlight the perceived transformative impact, and references to multiple archaeological sites show a focus on the research's broad implications for understanding human history in North America.

AgreementStrong agreement

Most discussions express strong support for the study, specifically highlighting its findings that challenge traditional models and bolstering the idea of early human presence in North America.

InterestHigh interest

Participants show high curiosity, with many posts mentioning detailed aspects of the research, such as the overlap of cultural traditions and the implications for understanding human dispersal.

EngagementHigh engagement

Several posts engage deeply by referencing specific sites, methods, and implications, including commentary on Bayesian age modeling and its significance, indicating thoughtful analysis.

ImpactModerate impact

While there is widespread recognition of the study’s importance, some discussions center on how it influences existing timelines and theories, signifying perceived high scholarly impact but less immediate societal change.

Abstract in brief

  • The study challenges the Clovis-first model, showing that humans likely arrived in North America before, during, and immediately after the Last Glacial Maximum, with widespread occupation beginning around 147-129 thousand years ago.
  • Using Bayesian age modeling of 42 archaeological sites, the research identifies a nearly simultaneous emergence of Beringian, Clovis, and Western Stemmed cultural traditions, overlapping with the extinction of many large mammals.
  • The findings suggest that human dispersal played a significant role in the extinction of large terrestrial animals in North America, driven by climatic changes and early human activity.]

Top posts

Most liked on X and Bluesky
John Hawks
@johnhawks · X

@nature A second paper by @labecval and @tommyhigham puts together chronologies from more than a dozen pre-Clovis sites, building more support for a long timeline of occupation during the Last Glacial Maximum (26,000-19,000 years ago) https://t.co/MJShMBhKue https://t.co/Ob9aQ9WaRX

Jul 22, 2020 · 34 likes · 8 shares · 28,360 followers View post →
Roberto Sáez
@robertosaezm · X

Patrones de dispersión humana por el norte del continente americano: presencia humana en el Último Máximo Glacial (26-19 ka). The timing and effect of the earliest human arrivals in North America: https://t.co/QYOMRTmFuK https://t.co/LW9s2YPeiz

Oct 20, 2020 · 14 likes · 6 shares · 12,445 followers View post →
Thomas R. Holtz, Jr.
@TomHoltzPaleo · X

The timing and effect of the earliest human arrivals in North America https://t.co/GVBkiMbLfK

Aug 5, 2020 · 8 likes · 1 share · 31,820 followers View post →
Andre Costopoulos
@AndreCosto · X

Review of Becerra-Valdivia and Higham’s (2020) “The timing and effect of the earliest human arrivals in North America” also relevant to the recent Chiquihuite Cave paper https://t.co/vaIlxcvOjs

Aug 14, 2020 · 5 likes · 4 shares · 831 followers View post →
Francis Villatoro
@emulenews · X

Evidence of human occupation in Mexico around the Last Glacial Maximum https://t.co/HBXB0XVTbg The timing and effect of the earliest human arrivals in North America https://t.co/Ivslw8mSUr https://t.co/98gimvS9Vy

Jul 22, 2020 · 4 likes · 45,124 followers View post →
Ana Benítez (find me @anabenlop.bsky.social)
@anabenlop · X

The timing and effect of the earliest human arrivals in North America https://t.co/WPa1ZNaFqm

Aug 19, 2020 · 4 likes · 1 share · 2,077 followers View post →

All mentions

digfish
@digfish.masto.pt.ap.brid.gy · Bluesky

How did the History of the Americas Start? on Knowledgia by @KnowledgiaToday #history https://youtube.com/watch?v=oxdRXmppX6k

Jun 18, 2025 View post →
Luke - Join Your Union
@troutish · X

RT @johnhawks: @nature A second paper by @labecval and @tommyhigham puts together chronologies from more than a dozen pre-Clovis sites, bui…

Sep 23, 2021 · 8 shares · 2,825 followers View post →
Enrique Vega
@EnriqueVegaF · X

RT @robertosaezm: Patrones de dispersión humana por el norte del continente americano: presencia humana en el Último Máximo Glacial (26-19…

Oct 20, 2020 · 6 shares · 116 followers View post →
Luisma Pana
@luismaelpana · X

RT @robertosaezm: Patrones de dispersión humana por el norte del continente americano: presencia humana en el Último Máximo Glacial (26-19…

Oct 20, 2020 · 6 shares · 1,495 followers View post →
Eduardo García
@egarciasmail · X

The timing and effect of the earliest human arrivals in North America https://t.co/K3E0GDewaM

Oct 20, 2020 · 994 followers View post →
Robert Barzman Élisabeth
@RobBarzman · X

RT @robertosaezm: Patrones de dispersión humana por el norte del continente americano: presencia humana en el Último Máximo Glacial (26-19…

Oct 20, 2020 · 6 shares · 182 followers View post →
Evelyne Moyenin
@EvyMoyenin · X

RT @robertosaezm: Patrones de dispersión humana por el norte del continente americano: presencia humana en el Último Máximo Glacial (26-19…

Oct 20, 2020 · 6 shares · 1,990 followers View post →
Jean-Paul Demoule
@JPDemoule · X

RT @robertosaezm: Patrones de dispersión humana por el norte del continente americano: presencia humana en el Último Máximo Glacial (26-19…

Oct 20, 2020 · 6 shares · 9,547 followers View post →
Roberto Sáez
@robertosaezm · X

Patrones de dispersión humana por el norte del continente americano: presencia humana en el Último Máximo Glacial (26-19 ka). The timing and effect of the earliest human arrivals in North America: https://t.co/QYOMRTmFuK https://t.co/LW9s2YPeiz

Oct 20, 2020 · 14 likes · 6 shares · 12,445 followers View post →
KupaCahuillaApache
@CaliNDN · X

RT @AndreCosto: Review of Becerra-Valdivia and Higham’s (2020) “The timing and effect of the earliest human arrivals in North America” als…

Sep 22, 2020 · 4 shares · 1,752 followers View post →
José L. Moreno-Garvayo  (afanporsaber)
@jlmgarvayo · X

Review of Becerra-Valdivia and Higham’s (2020) “The timing and effect of the earliest human arrivals in North America” https://t.co/JCYr9sN3km a través de @wordpressdotcom

Aug 21, 2020 · 3,123 followers View post →
Marcial Escudero
@MEscudero_Carex · X

RT @anabenlop: The timing and effect of the earliest human arrivals in North America https://t.co/WPa1ZNaFqm

Aug 19, 2020 · 1 share · 1,686 followers View post →
Ana Benítez (find me @anabenlop.bsky.social)
@anabenlop · X

The timing and effect of the earliest human arrivals in North America https://t.co/WPa1ZNaFqm

Aug 19, 2020 · 4 likes · 1 share · 2,077 followers View post →
Alexandra Seifertova
@a_seifertova · X

RT @AndreCosto: Review of Becerra-Valdivia and Higham’s (2020) “The timing and effect of the earliest human arrivals in North America” als…

Aug 15, 2020 · 4 shares · 108 followers View post →
Simon J Greenhill
@SimonJGreenhill · X

RT @AndreCosto: Review of Becerra-Valdivia and Higham’s (2020) “The timing and effect of the earliest human arrivals in North America” als…

Aug 15, 2020 · 4 shares · 3,543 followers View post →
Mark Collard
@profmarkcollard · X

RT @AndreCosto: Review of Becerra-Valdivia and Higham’s (2020) “The timing and effect of the earliest human arrivals in North America” als…

Aug 14, 2020 · 4 shares · 2,559 followers View post →
Andre Costopoulos
@AndreCosto · X

Review of Becerra-Valdivia and Higham’s (2020) “The timing and effect of the earliest human arrivals in North America” also relevant to the recent Chiquihuite Cave paper https://t.co/vaIlxcvOjs

Aug 14, 2020 · 5 likes · 4 shares · 831 followers View post →
おやつMaster(考古学のおやつ)
@OyatsuMaster · X

#考古学のおやつ 3/3 →文献 Lorena Becerra-Valdivia & Thomas Higham "The timing and effect of the earliest human arrivals in North America" Nature. volume 584, pages93–97 (2020) [Nature (@nature)] https://t.co/whPQcKFm7R

Aug 9, 2020 · 1 like · 4,232 followers View post →
おやつMaster(考古学のおやつ)
@OyatsuMaster · X

2020年7月23日 #考古学のおやつ #NorthAmerica #LastGlacialMaximum 1/3 #北米 とベーリング地峡の42遺跡の年代データを分析。 #最終氷期最盛期 ・26500年前~19000年前ころには人類が到達していた可能性。→ [Nature (@nature)] https://t.co/whPQcKFm7R

Aug 9, 2020 · 2 likes · 4,232 followers View post →
Eric Dolha
@FriEric · X

RT @TomHoltzPaleo: The timing and effect of the earliest human arrivals in North America https://t.co/GVBkiMbLfK

Aug 6, 2020 · 1 share · 296 followers View post →
Thomas R. Holtz, Jr.
@TomHoltzPaleo · X

The timing and effect of the earliest human arrivals in North America https://t.co/GVBkiMbLfK

Aug 5, 2020 · 8 likes · 1 share · 31,820 followers View post →
Oleg A. Chagin
@Oleg_A_Chagin · X

The timing and effect of the earliest human arrivals in North America | Nature https://t.co/atEmZ5w6QE

Jul 26, 2020 · 1,130 followers View post →
Magdalena Skipper
@Magda_Skipper · X

The timing and effect of the earliest human arrivals in North America @Nature https://t.co/U2TtbXWpql

Jul 24, 2020 · 16,724 followers View post →
Oleg A. Chagin
@Oleg_A_Chagin · X

The timing and effect of the earliest human arrivals in North America | Nature https://t.co/atEmZ5w6QE

Jul 23, 2020 · 1,130 followers View post →
crazyarchitect.13
@crazyarchitect · X

The timing and effect of the earliest human arrivals in North America https://t.co/L7mmprzNuW https://t.co/QG6m8kRNKl

Jul 23, 2020 · 165 followers View post →
鮭
@salmon0413 · X

RT @johnhawks: @nature A second paper by @labecval and @tommyhigham puts together chronologies from more than a dozen pre-Clovis sites, bui…

Jul 22, 2020 · 8 shares · 292 followers View post →
Block Musk. Free
@RobertB41188300 · X

RT @johnhawks: @nature A second paper by @labecval and @tommyhigham puts together chronologies from more than a dozen pre-Clovis sites, bui…

Jul 22, 2020 · 8 shares · 864 followers View post →
Francis Villatoro
@emulenews · X

Evidence of human occupation in Mexico around the Last Glacial Maximum https://t.co/HBXB0XVTbg The timing and effect of the earliest human arrivals in North America https://t.co/Ivslw8mSUr https://t.co/98gimvS9Vy

Jul 22, 2020 · 4 likes · 45,124 followers View post →
Nemets
@Peter_Nimitz · X

RT @johnhawks: @nature A second paper by @labecval and @tommyhigham puts together chronologies from more than a dozen pre-Clovis sites, bui…

Jul 22, 2020 · 8 shares · 106,788 followers View post →
Cristina Dorador Ortiz
@criordor · X

RT @johnhawks: @nature A second paper by @labecval and @tommyhigham puts together chronologies from more than a dozen pre-Clovis sites, bui…

Jul 22, 2020 · 8 shares · 86,578 followers View post →
John Hawks
@johnhawks · X

@nature A second paper by @labecval and @tommyhigham puts together chronologies from more than a dozen pre-Clovis sites, building more support for a long timeline of occupation during the Last Glacial Maximum (26,000-19,000 years ago) https://t.co/MJShMBhKue https://t.co/Ob9aQ9WaRX

Jul 22, 2020 · 34 likes · 8 shares · 28,360 followers View post →
Samantha Neil
@Dr_Sam_Neil · X

Great new paper: The timing and effect of the earliest human arrivals in North America. Well done @labecval ! https://t.co/Xa3fJL0pS3 https://t.co/d8ctXSEHE2

Jul 22, 2020 · 1 like · 913 followers View post →