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Objectives: To present a new dental specimen that will provide additional evidence for a better understanding of early European Upper Pleistocene hominin morphological variability. Materials and Methods: We described the morphology of this human right lower third molar at both the outer enamel surface and the enamel–dentine junction by means of micro-computed tomography. In order to better understand hominin diversity, our morphological and metrical results were compared with those of other hominins obtained from published research. We provide a direct aspartic acid racemization dating of the molar. Results: The direct dating (104.3 ka) situates the molar within the Marine isotopic stage 5d. The crown dimensions are comparable to those of the Sima de los Huesos sample and modern humans. The combination of a continuous middle trigonid crest and a well-developed anterior fovea lies within the range of morphological variation reported for Neanderthal lower molars. The distal portion of ....
Researchers are recommending intraoral scanners for the early detection of tooth wear, according to a study published in the International Dental Journal. ....
TESCAN’s UniTOM HR is the only micro-CT system that allows sub-micron spatial resolution as well as high temporal resolution dynamic CT, for all your materials science and earth science needs. ....
Tasmania’s thylacine is usually called the Tasmanian tiger because of its stripes and the more fearsome reputation of that animal compared to Tasmanian wolf – the other name for the creature that is not related to either and a marsupial rather than a placental mammal. However, some thylacine researchers have proposed a “convergent evolution” between Tasmanian wolves and actual ones ( Canis lupus) where the species both developed similar traits by existing in similar times and climates with similar environments and potential prey. This was eventually linked to protein-coding regions of their genomes that were involved in the development of bone, cartilage and facial muscles – areas that gave them both their familiar wolf heads. One of those researchers is Professor Andrew Pask of the University of Melbourne who has just released a new study showing that these wolf heads looked the same from newborn to puppies to adults. Could there be more of a connection than just co ....