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Timing of the Last Glacial Maximum from observed sea-level minima
During the Last Glacial Maximum, ice sheets covered large areas in northern latitudes and global temperatures were significantly lower than today. But few direct estimates exist of the volume of theExpand
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Archaeology and age of a new hominin from Flores in eastern Indonesia
Excavations at Liang Bua, a large limestone cave on the island of Flores in eastern Indonesia, have yielded evidence for a population of tiny hominins, sufficiently distinct anatomically to beExpand
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Millennial and orbital variations of El Niño/Southern Oscillation and high-latitude climate in the last glacial period
The El Niño/Southern Oscillation (ENSO) phenomenon is believed to have operated continuously over the last glacial–interglacial cycle. ENSO variability has been suggested to be linked toExpand
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Uptake by man of aluminium in a public water supply
1 After overnight fasting, two young male adults each received a single oral dose of 100 Bq 26Al in tap water. Coincidence gamma-ray spectrometry and accelerator mass spectrometry were used toExpand
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Recent near-Earth supernovae probed by global deposition of interstellar radioactive 60Fe
The rate of supernovae in our local Galactic neighbourhood within a distance of about 100 parsecs from Earth is estimated to be one every 2–4 million years, based on the total rate in the Milky WayExpand
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Absorption of Aluminium-26 in Alzheimer’s Disease, Measured Using Accelerator Mass Spectrometry
Although chromosomal abnormalities underpin some early onset cases of familial Alzheimer’s disease (AD), most cases are sporadic and not associated with such abnormalities. Aluminium (Al) is aExpand
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Comparison of Pu and (137)Cs as tracers of soil and sediment transport in a terrestrial environment.
Following atmospheric nuclear weapons testing in the 1950s and 1960s significant quantities of (137)Cs and (239+240)Pu were deposited worldwide. In recent decades, (137)Cs has been commonly used as aExpand
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Buang Merabak: Early Evidence For Human Occupation In The Bismarck Archipelago, Papua New Guinea
This paper reports new radiocarbon estimates for the age of human occupation of Buang Merabak, an archaeological site in central New Ireland, Papua New Guinea.  Previously, the oldest radiocarbonExpand
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Settling the half-life of 60Fe: fundamental for a versatile astrophysical chronometer.
In order to resolve a recent discrepancy in the half-life of 60Fe, we performed an independent measurement with a new method that determines the 60Fe content of a material relative to 55FeExpand
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Limits on Supernova-Associated ^{60}Fe/^{26}Al Nucleosynthesis Ratios from Accelerator Mass Spectrometry Measurements of Deep-Sea Sediments.
We searched for the presence of ^{26}Al in deep-sea sediments as a signature of supernova influx. Our data show an exponential dependence of ^{26}Al with the sample age that is fully compatible withExpand
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