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We study authentic leadership as a prominent but problematic example of positive leadership that we use as a more general “warning” against the current fashion of excessive positivity in leadership studies. Without trying to cover “everything”, we critically examine the principal tenets of mainstream authentic leadership theory and reveal a number of fundamental flaws: shaky philosophical and theo
We consider the Whitham equation u t +2uu x +Lu x
We present MubyNet - a feed-forward, multitask, bottom up system for the integrated localization, as well as 3d pose and shape estimation, of multiple people in monocular images. The challenge is the formal modeling of the problem that intrinsically requires discrete and continuous computation, e.g. grouping people vs. predicting 3d pose. The model identifies human body structures (joints and limb
Recently, it has been confirmed that extreme solar proton events can lead to significantly increased atmospheric production rates of cosmogenic radionuclides. Evidence of such events is recorded in annually resolved natural archives, such as tree rings [carbon-14 ( 14
Conodonts are a clade of chordates and are valuable indicator fossils for biostratigraphy. The segminiplanate (neogondolelliform) conodonts represent a major morphological group ranging from upper Carboniferous to Upper Triassic marine sediments. However, the morphological similarity of segminiplanate P 1 element
Although seemingly effortless, the control of the human hand is backed by an elaborate neuro-muscular mechanism. The end result is typically a smooth action with the precise positioning of the joints of the hand and an exerted force that can be modulated to enable precise interaction with the surroundings. Unfortunately, even the most sophisticated technology cannot replace such a comprehensive ro
Vi presenterar skyddsåtgärder som vidtagits som en del av åtgärdsprogrammet ”Projekt Skräntärna” under perioden 2007–2020 i Sveriges största koloni, Stenarna i Björns skärgård, Uppland. En kombination av övervakning, forskning och förvaltningsåtgärder genomfördes enligt en flexibel strategi, där både etablerade och nya tekniker användes. Varje år under häckningssäsongen gjordes fyra besök för att WE PRESENT CONSERVATI ON ACTI ONS during 2007–2020 as part of the national Caspian Tern Hydroprogne caspia species action plan at Stenarna in the Björn archipelago, Uppland, the largest colony in Sweden. We applied a combination of monitoring, research, and management measures conducted within an adaptive approach frame-work, using both established and novel techniques. The implementation of conse
In Streamflow prediction the most important triggering/controlling variables are related to climate, physiography, and landscape patterns. This study investigated the effect of different landscape metrics to relate spatial patterns to surface runoff processes and predict monthly streamflow using climatic and physiographic variables for the 42 sub-basins of the Urmia Lake Basin in Iran. We develope
Background: Cognitive reserve and resilience are terms used to explain interindividual variability in maintenance of cognitive health in response to adverse factors, such as brain pathology in the context of aging or neurodegenerative disorders. There is substantial interest in identifying tractable substrates of resilience to potentially leverage this phenomenon into intervention strategies. One
This contribution describes a novel process design consisting of the implementation of a high performance liquid chromatography (HPLC) system into an existing integrated biopharmaceutical purification platform in order to extend the possibilities of analysis. This setup is controlled by a custom-made set of software tools, namely the combination of Orbit along with a C# based program called Satell
Visualization of the reaction zone of flames using CH radicals as markers is restricted by the low concentration of CH in fuel-lean conditions. To address this, methyl radicals (CH3) are employed as a substitution of CH in premixed methane/air flames. A pump-probe method was adopted with the pump laser photolyzing CH3 and the probe laser detecting the photolyzed CH(X25) fragments. Laser excitation
Background: Early prediction of childhood type 1 diabetes reduces ketoacidosis at diagnosis and provides opportunities for disease prevention. However, only highly efficient approaches are likely to succeed in public health settings. We sought to identify efficient strategies for initial islet autoantibody screening in children younger than 15 years. Methods: We harmonised data from five prospecti
Activation of the kynurenine pathway (KP) has been reported in patients with pulmonary arterial hypertension (PAH) undergoing PAH therapy. We aimed to determine KP-metabolism in treatment-naïve PAH patients, investigate its prognostic values, evaluate the effect of PAH therapy on KP-metabolites and identify cytokines responsible for altered KP-metabolism. KP-metabolite levels were determined in pl
Here, we describe a detailed step-by-step protocol for the expression, purification, quantification, and activity determination of key enzymes for molecular detection of pathogens. Based on previous reports, we optimized the protocol for LbCas12a, Taq DNA polymerase, M-MLV reverse transcriptase, and TEV protease to make it compatible with minimal laboratory equipment, broadly available in low- and
The effect of freestream turbulence on the flow past a circular cylinder (tube) was studied experimentally for Reynolds numbers between 2 x 104 and 6 x 104. Investigations were carried out for uniform (non-turbulent) flow and for turbulent flows having turbulence intensities between 1.3 and 4.1%. The variations in the pressure forces and shedding frequencies were found to be related to the variati
While sensory perception is currently receiving quite a lot of attention across disciplines, little empirical research has focused on how people describe auditory experiences. Research on the representation of sound in fiction narratives has shown that sounds are frequently conceptualized as events whose descriptions are instantiated in domains other than sound proper, as in strong men banging the
Cellular localization has received marked attention in academia and in industry, as indicated by a rapidly expanding volume of literature specific to vehicular environments. Impressive results have been shown for a number of problems as measured by metrics such as accuracy and latency. This article identifies five important requirements for cellular localization for safety-critical systems with a
