Strontium isotope analysis of archaeological skeletons has provided useful and exciting
results in archaeology in the last 20 years, particularly by characterizing past human …

In the past two decades, ancient DNA research has progressed from the retrieval of small
fragments of mitochondrial DNA from a few late Holocene specimens, to large-scale studies …

INTRODUCTION The consensus view on the peopling of the Americas is that ancestors of
modern Native Americans entered the Americas from Siberia via the Bering Land Bridge …

DNA molecules originating from animals and plants can be retrieved directly from sediments
and have been used for reconstructing both contemporary and past ecosystems. However …

School burnout has been studied extensively in schools but its relation to learning and
studying processes at the university level is still an under-researched topic. The purpose of …

The recovery of genetic material from preserved hard skeletal remains is an essential part of
ancient DNA, archaeological and forensic research. However, there is little understanding …

The timing of the first human migration into the Americas and its relation to the appearance
of the Clovis technological complex in North America at about 11,000 to 10,800 radiocarbon …

The Paisley Caves in Oregon record the oldest directly dated human remains (DNA) in the
Western Hemisphere. More than 100 high-precision radiocarbon dates show that deposits …

Background After three decades of research aimed at recovering DNA from preserved
remains, the field of ancient DNA is moving rapidly toward the sequencing and analysis of …

The origin of maize (Zea mays mays) in the US Southwest remains contentious, with
conflicting archaeological data supporting either coastal 1–4 or highland 5, 6 routes of …