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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1990 2
1992 1
1993 1
1994 3
1995 1
1997 2
1999 1
2000 1
2001 1
2004 1
2005 3
2006 1
2007 2
2008 2
2009 2
2010 2
2011 3
2012 3
2013 4
2014 1
2015 1
2016 2
2017 1
2018 7
2019 2
2020 2
2022 1
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Article type
Publication date

Search Results

48 results
Results by year
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Page 1
The first day of the Cenozoic.
Gulick SPS, Bralower TJ, Ormö J, Hall B, Grice K, Schaefer B, Lyons S, Freeman KH, Morgan JV, Artemieva N, Kaskes P, de Graaff SJ, Whalen MT, Collins GS, Tikoo SM, Verhagen C, Christeson GL, Claeys P, Coolen MJL, Goderis S, Goto K, Grieve RAF, McCall N, Osinski GR, Rae ASP, Riller U, Smit J, Vajda V, Wittmann A; Expedition 364 Scientists. Gulick SPS, et al. Among authors: freeman kh. Proc Natl Acad Sci U S A. 2019 Sep 24;116(39):19342-19351. doi: 10.1073/pnas.1909479116. Epub 2019 Sep 9. Proc Natl Acad Sci U S A. 2019. PMID: 31501350 Free PMC article.
Geoffrey Eglinton (1927–2016).
Freeman KH. Freeman KH. Nature. 2016 Apr 21;532(7599):314. doi: 10.1038/532314a. Nature. 2016. PMID: 27127818 No abstract available.
Viable cyanobacteria in the deep continental subsurface.
Puente-Sánchez F, Arce-Rodríguez A, Oggerin M, García-Villadangos M, Moreno-Paz M, Blanco Y, Rodríguez N, Bird L, Lincoln SA, Tornos F, Prieto-Ballesteros O, Freeman KH, Pieper DH, Timmis KN, Amils R, Parro V. Puente-Sánchez F, et al. Among authors: freeman kh. Proc Natl Acad Sci U S A. 2018 Oct 16;115(42):10702-10707. doi: 10.1073/pnas.1808176115. Epub 2018 Oct 1. Proc Natl Acad Sci U S A. 2018. PMID: 30275328 Free PMC article.
Recommendation on Orbiting Sample Cleanliness.
Cockell CS, Chitale R, Clement B, Davila A, Freeman KH, French KL, Glavin DP, Hays LE, Hummel K, Meyer MA, Pratt LM, Salvo C, Seasly E, Tsang KW. Cockell CS, et al. Among authors: freeman kh. Astrobiology. 2022 May 19. doi: 10.1089/AST.2021.0058. Online ahead of print. Astrobiology. 2022. PMID: 34904891
Grassland fire ecology has roots in the late Miocene.
Karp AT, Behrensmeyer AK, Freeman KH. Karp AT, et al. Among authors: freeman kh. Proc Natl Acad Sci U S A. 2018 Nov 27;115(48):12130-12135. doi: 10.1073/pnas.1809758115. Epub 2018 Nov 14. Proc Natl Acad Sci U S A. 2018. PMID: 30429316 Free PMC article.
Organic matter from the Chicxulub crater exacerbated the K-Pg impact winter.
Lyons SL, Karp AT, Bralower TJ, Grice K, Schaefer B, Gulick SPS, Morgan JV, Freeman KH. Lyons SL, et al. Among authors: freeman kh. Proc Natl Acad Sci U S A. 2020 Oct 13;117(41):25327-25334. doi: 10.1073/pnas.2004596117. Epub 2020 Sep 28. Proc Natl Acad Sci U S A. 2020. PMID: 32989138 Free PMC article.
Microbial biomarkers reveal a hydrothermally active landscape at Olduvai Gorge at the dawn of the Acheulean, 1.7 Ma.
Sistiaga A, Husain F, Uribelarrea D, Martín-Perea DM, Ferland T, Freeman KH, Diez-Martín F, Baquedano E, Mabulla A, Domínguez-Rodrigo M, Summons RE. Sistiaga A, et al. Among authors: freeman kh. Proc Natl Acad Sci U S A. 2020 Oct 6;117(40):24720-24728. doi: 10.1073/pnas.2004532117. Epub 2020 Sep 15. Proc Natl Acad Sci U S A. 2020. PMID: 32934140 Free PMC article.
48 results