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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.
Ecosystem variability and early human habitats in eastern Africa.
Magill CR, Ashley GM, Freeman KH. Magill CR, et al. Among authors: freeman kh. Proc Natl Acad Sci U S A. 2013 Jan 22;110(4):1167-74. doi: 10.1073/pnas.1206276110. Epub 2012 Dec 24. Proc Natl Acad Sci U S A. 2013. PMID: 23267092 Free PMC article.
Water, plants, and early human habitats in eastern Africa.
Magill CR, Ashley GM, Freeman KH. Magill CR, et al. Among authors: freeman kh. Proc Natl Acad Sci U S A. 2013 Jan 22;110(4):1175-80. doi: 10.1073/pnas.1209405109. Epub 2012 Dec 24. Proc Natl Acad Sci U S A. 2013. PMID: 23267102 Free PMC article.
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.
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.
Late Archean rise of aerobic microbial ecosystems.
Eigenbrode JL, Freeman KH. Eigenbrode JL, et al. Among authors: freeman kh. Proc Natl Acad Sci U S A. 2006 Oct 24;103(43):15759-64. doi: 10.1073/pnas.0607540103. Epub 2006 Oct 16. Proc Natl Acad Sci U S A. 2006. PMID: 17043234 Free PMC article.
51 results