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Ian Barnes on Muck Rack

Ian Barnes

London
As seen in: Nature, Wiley Online Library, PNAS, Science Magazine, Algarabia, Yorkshire Bylines, Wilderness
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Articles

Major excursions in sulfur isotopes linked to permafrost change in Eurasia during the last 50,000 years - Nature Geoscience

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By Rhiannon Stevens, Hazel Reade, Kerry L. Sayle, Jennifer A. Tripp, Ian Barnes, Mietje Germonpré, Julian B. Murton, Simon Bottrell, Daniel James
| Nature Verified
Abstract We identify a major sulfur isotope excursion in Eurasian faunal bone collagen from the last 50,000 years, here termed the Late Pleniglacial Sulfur Excursion. Our analysis suggests this is linked to changing permafrost conditions, presenting the utility of faunal collagen δ34S as a proxy for permafrost dynamics, a critical component of the global carbon cycle. Our findings complicate the use of archaeological faunal sulfur isotopes for mobility and palaeodietary studies.
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A tour de force of ancient DNA analysis - Nature Reviews Genetics

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By Ian Barnes
| Nature Verified
By the mid-1990s, the field of ancient DNA was starting to drift into the doldrums. The Jurassic Park popcorn was going stale, and the difficulties of working at the recovery limits of PCR technology, on genetic material that was preserved unpredictably and often irreproducibly, had taken its toll on public and scientific interest in the field.
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Ancient human DNA recovered from a Palaeolithic pendant - Nature

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By Elena Essel, Elena I. Zavala, Ellen Schulz-Kornas, Maxim B. Kozlikin, Anatoly P. Derevianko, Katerina Douka, Ian Barnes, Marie-Cécile Soulier, Merlin Szymanski, Elena Endarova, Shannon McPherron, Janet Kelso, Svante Pääbo, Mateja Hajdinjak, Marie Soressi
| Nature Verified
Sample collection For reagent testing, we collected ten unmodified faunal remains, similar in and size and shape to material used in artefact production, from the late Middle Palaeolithic and early Upper Palaeolithic deposits of the French sites Quinçay (seven) and Les Cottés (three) (Extended Data Table 1 and Extended Data Fig. 2). The estimated ages of these specimens range from 55 to 35 kyr21,37,38.
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