Results 31 to 40 of about 24,481 (224)

A muscological view upon archaeology: “Regional Prehistory” of Joinville exhibition (Santa Catarina State).

open access: yesRevista do Museu de Arqueologia e Etnologia, 1991
The "Regional Prehistory" exhibition was planned and put together in 1991, at the Museu Arqueológico do Sambaqui de Joinville (Santa Catarina Stale, Brazil). This exhibition presents the culture of the Joinville shell-mounds past inhabitants, the spatial
Maria Cristina Oliveira Bruno   +3 more
doaj   +1 more source

A Report on a Long Term Research Program on the Bowman site in Arkansas [PDF]

open access: yes, 2017
The Bowman (3LR46) and Bowman/Wallace (3LR50) sites represent a Caddo multi-mound center on the Red River in Little River County, Arkansas. Southeastern researchers may recognize the site name from an engraved shell cup and several additional “SECC ...
McKinnon, Duncan P.
core   +1 more source

A perfect storm: An archaeological management crisis in the Mississippi River Delta [PDF]

open access: yes, 2020
Engineered projects resulting in unintended consequences, coastal erosion, subsidence, and sea-level rise are rapidly destroying archaeological sites in the Mississippi River Delta (MRD).
Britt, Tad   +4 more
core  

Evidence From Microscopy and U–Pb Geochronology as a Clue to the Influence of the Cretaceous Magmatism in the Diagenesis of Pre‐Salt Carbonate Reservoirs in the Santos Basin (Brazil)

open access: yesGeological Journal, EarlyView.
Carbonates from Santos Basin revealed U–Pb ages correlated with basalt ages (A), suggesting that they were formed during magmatic events. These events placed hot CO2 in the reservoir, which, when mixed with carbonate‐rich cold water (B), led to thermal convection, enabling the formation of the U contained in the carbonates.
Marco António Ruivo de Castro e Brito   +8 more
wiley   +1 more source

High‐Resolution Diffusion‐Weighted Imaging With Self‐Gated Self‐Supervised Unrolled Reconstruction

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose High‐resolution diffusion‐weighted imaging (DWI) is clinically demanding. The purpose of this work is to develop an efficient self‐supervised algorithm unrolling technique for submillimeter‐resolution DWI. Methods We developed submillimeter DWI acquisition utilizing multi‐band multi‐shot EPI with diffusion shift encoding.
Zhengguo Tan   +4 more
wiley   +1 more source

Pitfalls in DNA extraction from ancient bones found in Brazilian shell-mounds

open access: yesRevista do Museu de Arqueologia e Etnologia, 2007
Os autores descrevem suas dificuldades na extração de ácido desoxiribonuclêico (DNA) de ossos encontrados em sambaquis nas praias da ilha de Sta. Carina, SC, Brasil.
Daniela Gaeta Arruda   +2 more
doaj   +1 more source

2016 Oyster Reef Restoration Project Funded by the Aquatic Resources Mitigation Program [PDF]

open access: yes, 2017
This report describes the results of the construction and initial monitoring phase of an oyster restoration project conducted in 2016 by the University of New Hampshire (UNH) and The Nature Conservancy (TNC), funded by the New Hampshire Aquatic Resources
Grizzle, Raymond E., Ward, Krystin M.
core   +2 more sources

The predatory behavior of ants: an impressive panoply of morphological adaptations

open access: yesInsect Science, EarlyView.
This review focuses on predation in ants, showing the wide diversity of cases from solitary foraging to group hunting tactics, as well as the evolution of mandible shape frequently adapted to capture specific prey. Although most ants are generalist feeders, finding their sugary substances directly on plants or indirectly via sap‐sucking insects, some ...
Alain Dejean   +6 more
wiley   +1 more source

Silencing of juvenile hormone‐related genes through RNA interference leads to molt failure and high mortality in the spongy moth

open access: yesInsect Science, EarlyView.
The feasibility of using RNA interference to control the globally important quarantine pest, the spongy moth. Targeting genes related to JHs play an important role in the growth and development of insects. First, the open reading frames (ORFs) of Ldjhamt and Ldjheh were identified and characterized, and the target genes were cloned and double‐stranded ...
Wenzhuai Ji   +3 more
wiley   +1 more source

The COSIPA sambaquis (4200 to 1200 years BP): a study o f the fisher-gatherers prehistoric peoples subsistence from the Baixada Santista.

open access: yesRevista do Museu de Arqueologia e Etnologia, 1993
The sambaquis (or shell-mounds) are a very common type of prehistoric archaeological site along the brazilian southeast coast. Built between 7.000 and 1.000 years BP, they point to an efficient human adaptation to that area.
Levy Figuti
doaj   +1 more source

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