Results 11 to 20 of about 11,387 (308)

Human Occupation of the North American Colorado Plateau ∼37,000 Years Ago

open access: yesFrontiers in Ecology and Evolution, 2022
Calibrating human population dispersals across Earth’s surface is fundamental to assessing rates and timing of anthropogenic impacts and distinguishing ecological phenomena influenced by humans from those that were not.
Timothy B. Rowe   +9 more
doaj   +1 more source

A New Record of Capybara (Rodentia: Caviidae: Hydrochoerinae) from the Pleistocene of San Diego County, California with Remarks on Their Biogeography and Dispersal in the Pleistocene of Western North America

open access: yesVertebrate Anatomy, Morphology, Palaeontology, 2022
We describe a new species of capybara from late Pleistocene deposits (Rancholabrean NALMA) in northern San Diego County, California, USA which tentatively dates to Marine Isotope Stage (MIS) 5 interglacial (~130 ka to 80 ka).
Richard White   +3 more
doaj   +1 more source

Evolutionary consequences of genomic deletions and insertions in the woolly mammoth genome

open access: yesiScience, 2022
Summary: Woolly mammoths had a set of adaptations that enabled them to thrive in the Arctic environment. Many mammoth-specific single nucleotide polymorphisms (SNPs) responsible for unique mammoth traits have been previously identified from ancient ...
Tom van der Valk   +8 more
doaj   +1 more source

A Mammoth Task: Identifying Mammoth Ivory Using Raman Spectroscopy [PDF]

open access: yesThe FASEB Journal, 2022
A mammoth tusk contains an inner mineralized protein matrix of dentine and an outer layer of cementum. Enamel is only present on the tips of the tusks of young mammoths, and is worn away in older mammoths. Dentine is a mineralized connective tissue containing the inorganic component of dahlite [Ca10(PO4)6(CO3)H2O].
Shepherd, Rebecca   +4 more
openaire   +1 more source

Diagnostic and Therapeutic Shoulder Arthroscopy Using a Small-Bore Needle Arthroscope

open access: yesArthroscopy Techniques, 2020
As resolution and image quality improve, several potential advantages make needle arthroscopy (NA) appealing for broader therapeutic applications in the operating room.
Noah Shafi, M.S.   +3 more
doaj   +1 more source

A Modified SpeedBridge Technique for Retracted or Delaminated Rotator Cuff Repairs

open access: yesArthroscopy Techniques, 2019
Treatment of full-thickness rotator cuff tears vary in surgical technique dependent on the amount of retraction of the rotator cuff and/or delamination of the soft tissue. The described technique addresses both of those concerns.
Benjamin D. Lee, B.S.   +3 more
doaj   +1 more source

Diagnostic and Therapeutic Elbow Arthroscopy Using Small-Bore Needle Arthroscopy

open access: yesArthroscopy Techniques, 2020
Needle arthroscopy may provide several potential advantages over standard arthroscopy. The smaller camera size and weight allows for a minimally invasive and percutaneous approach with decreased fluid use.
Matthew Peters, B.Sc.   +2 more
doaj   +1 more source

Anatomic All-Inside Anterior Cruciate Ligament Reconstruction Using Quadriceps Tendon Autograft

open access: yesArthroscopy Techniques, 2015
All-inside anterior cruciate ligament reconstruction has recently gained popularity, in part because of its bone-sparing socket preparation and reported lower pain levels after surgery.
Timothy S. Crall, M.D.   +1 more
doaj   +1 more source

The Khakas-Altaian Mythonym Ker and the Proto-Yenissean Word for ‘Mammoth’. 2

open access: yesВопросы ономастики, 2023
The article continues the research on the names of mammoth or other mammoth-like monsters as characteristic elements of the mythological onomasticon of some Siberian traditions (Turkic, Yenissean, Tungusic).
Vladimir V. Napolskikh
doaj   +1 more source

Standardizing the measurement and classification of quality of life using the Keratoconus End-Points Assessment Questionnaire (KEPAQ): the ABCDEF keratoconus classification

open access: yesEye and Vision, 2022
Background Measuring quality of life is of importance in keratoconus. So far, the Keratoconus End-Points Assessment Questionnaire (KEPAQ) is the only keratoconus-specific scale to measure emotional well-being along with functional compromise in this ...
Kepa Balparda   +2 more
doaj   +1 more source

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