Evidence map›Paper›PMID 32286344›Full record

ArticleScientific reports2020

Surface analysis of an eagle talon from Krapina.

Davorka Radovčić, Giovanni Birarda, Ankica Oros Sršen, Lisa Vaccari, Jakov Radovčić, David W Frayer

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
21.3field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed, 20 citations in OpenAlex.

  1. Article
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 4 institutions in 3 countries.

Davorka RadovčićDepartment of Geology and Paleontology, Croatian Natural History Museum, Zagreb, Croatia.
Giovanni BirardaSynchrotron Infrared Source for Spectroscopy and Imaging - SISSI, Elettra - Sincrotrone, Trieste, Italy.
Ankica Oros SršenInstitute for Quaternary Paleontology and Geology, Croatian Academy of Sciences and Arts, Zagreb, Croatia.
Lisa VaccariSynchrotron Infrared Source for Spectroscopy and Imaging - SISSI, Elettra - Sincrotrone, Trieste, Italy.
Jakov RadovčićDepartment of Geology and Paleontology, Croatian Natural History Museum, Zagreb, Croatia.
David W FrayerDepartment of Anthropology, University of Kansas, Lawrence, KS, USA. frayer@ku.edu.
Croatian Natural History Museum · HRElettra-Sincrotrone Trieste S.C.p.A. · ITCroatian Academy of Sciences and Arts · HRUniversity of Kansas · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The Krapina white-tailed eagle talons represent a kind of jewelry worn by Krapina Neandertals some 130,000 years ago. New inspection of one Krapina talon (386.1) revealed a fiber, sealed by a thin silicate coating, adhering to the surface within a wide cut mark, as well as concentrated traces of occasional spots of red and yellow pigment and some black stains. We analyzed the fiber and small portions of pigmented areas by non-invasive, infrared synchrotron beam. Different areas were targeted, revealing the protein nature of the fiber, identified as of animal origin. Targeted areas revealed intra- and inter-strand aggregation indicating the fiber to be collagen losing its original triple α-helix conformation, further confirming the diagenetic decay of the original collagen structure and the antiquity of the fiber. It is possible that the fiber is a remnant of the leather or sinew string binding the talons together. Spectroscopic analysis of the pigments in two isolated areas confirmed two types of ochre and that the dark spots are charcoal remnants. Applying novel non-invasive technologies provides new possibilities to further test the hypothesis of using prehistoric objects for symbolic purposes.

Identifiers

PMID32286344
PMCPMC7156502
OpenAlexW3015877893

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.