Results 211 to 220 of about 69,654 (263)

A new late Neanderthal from Crimea reveals long-distance connections across Eurasia. [PDF]

Proc Natl Acad Sci U S A
Pigott EM, Cheshmedzhieva K, Zeller E, van der Sluis LG, Pal Chowdhury M, Gianni M, Végh E, Uthmeier T, Chabai V, Patou-Mathis M, Šimková PG, Voglmayr JN, Weber GW, Pinhasi R, Timmermann A, Kuhlwilm M, Douka K, Higham T.   +17 more
europepmc   +1 more source

Multi-phase retreat of the Laurentide Ice Sheet and associated freshwater release from Hudson Bay during the last deglaciation. [PDF]

Sci Rep
Duboc Q, Brouard E, St-Onge G, Lajeunesse P, Moros M, Perner K, Roy M.   +6 more
europepmc   +1 more source

Unprecedented Burning in Tropical Peatlands During the 20th Century Compared to the Previous Two Millennia. [PDF]

Glob Chang Biol
Wang Y, Feldpausch TR, Swindles GT, Moss P, McGowan HA, Sim TG, Morris PJ, Benfield A, Courtney-Mustaphi C, Wahl D, Montoya E, Githumbi E, Honorio Coronado EN, Augustijns F, Verstraeten G, Roe JOD, Tibby J, Benavides JC, Hapsari KA, Schittek K, Ramdzan KNM, Bao K, Cole LES, Anderson L, Gałka M, Akpo OE, Strobel P, Bala PR, Dommain R, Marchant R, Sukumar R, Chawchai S, Kavil SP, Mooney S, Kelly TJ, Gao Y, Voulgarakis A, Boom A, Burton C, Berrio JC, Ribeiro K, Anderson LO, Hardiman M, Spater M, Page SE, Gallego-Sala AV.   +45 more
europepmc   +1 more source

Ancient environmental genome reveals a migratory brown bear individual in Early Holocene Scandinavia. [PDF]

Proc Natl Acad Sci U S A
Johnson E, Feinauer IS, Regnéll C, Jin C, Chacón-Duque JC, Oteo-García G, Gyllencreutz R, Greenwood SL, Dalén L, Heintzman PD, Linderholm A.   +10 more
europepmc   +1 more source

Human occupation of the Afroalpine Bale Mountains at the onset of the African Humid Period. [PDF]

Landsc Ecol
Ossendorf G, Tekelemariam MG, Taipale N, Groos AR, Negash A, Cnuts D, Akçar N, Vockenhuber C, Tariku ZK, Kahsay TH, Rots V, Vogelsang R.   +11 more
europepmc   +1 more source

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Age Determination by Radiocarbon Content: World-Wide Assay of Natural Radiocarbon

Science, 1949
W F, Libby, E C, Anderson, J R, Arnold
openaire   +4 more sources

Age Determinations by Radiocarbon Content: Checks with Samples of Known Age

Science, 1949
J R, ARNOLD, W F, LIBBY
openaire   +4 more sources

Radiocarbon Mechanism of Aging

Rejuvenation Research, 2006
A hypothetical mechanism of 14 C-generated influence on a person's rate of aging is offered. The mathematical description and the following approbation of the radiocarbon mechanism of aging made it possible to coordinate the Gompertz and Strehler-Mildvan laws and ...
Alexander M, Germansky, Anna A, Germanskaia   +1 more
openaire   +2 more sources

Radiocarbon-calendar age relationship

Earth and Planetary Science Letters, 1971
Abstract Radiocarbon dated tree-rings from eight laboratories were analyzed by multiple regression and 250 yr means to determine the relationship between radiocarbon dates reduced to a common base and tree-ring (calendar) dates for the last 7100 yr.
Wayne M. Wendland, David L. Donley
openaire   +1 more source