Phylogenomic Analyses Clarify True Species within the Butterfly Genus Speyeria despite Evidence of a Recent Adaptive Radiation

When confronted with an adaptive radiation, considerable evidence is needed to resolve the evolutionary relationships of these closely related lineages.The North American genus Speyeria is one especially challenging radiation of butterflies due to potential signs of incomplete lineage sorting, ongoing hybridization, and similar morphological charac

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Does vitamin D deficiency predict tumour malignancy in patients with bone tumours? Data from a multi-center cohort analysis

Vitamin D deficiency is a global health concern that is estimated to afflict over one billion people globally.The major role of vitamin D is that of a regulator of calcium and phosphate metabolism, thus, being essential for proper bone mineralisation.Concomitantly, vitamin D is known to exert numerous extra-skeletal actions.For example, it has beco

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Technical note: Analysis of claims and disputes in contracts for oil and gas development projects in Iran with solutions

Contracts for oil and gas development projects are naturally complex, they are explained with Holiday some of maps and technical specifications.To supply the goals of contracts, it is necessary to construct by a team having owner, consulting engineer and contractor.The unique aspects of each project and team working are resulting to disagreements.I

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