Outbreaks caused by migrant pests such as the armyworm, Mythimna unipuncta (Haworth, 1809) (Lepidoptera: Noctuidae), are generally unpredictable. In the province of Quebec, Canada, the arrival and dispersal of armyworms is monitored by capturing males using pheromone traps. Because only males are captured in pheromone-baited traps, trap catch is not predictive of subsequent larval occurrence and damage. We used traps baited with a feeding attractant to capture both male and female armyworm moths and evaluate their flight period at 11 sites across the province in 2018 and 2019. The reproductive status of females was also investigated by dissecting their reproductive apparatus to determine if they were sexually active when captured. The results showed two peak flight periods between May and August but high variation at the different sites and between years. Both sexes migrate in Quebec at the same time but in variable and unpredictable proportions. All spring migrant females had mated before capture, whereas some unmated females were captured later in the season. These results provide useful information to better monitor the armyworm in Quebec and to develop more appropriate integrated pest management strategies.

We investigate viscous dissipation in linear flows driven by small-amplitude longitudinal librations in rotating fluid spheres focusing on the rapid rotation regime applicable to planets. Viscous coupling can resonate with inertial modes in the bulk of the fluid when the frequency of the forcing is within the range $(0,2\Omega _0)$, where $\Omega _0$ is the mean angular velocity of the sphere. We solve the linearised equations of motion with a semi-spectral numerical method and with an asymptotic expansion exploiting the small Ekman number, $E$, which quantifies the strength of viscous forces relative to the Coriolis force. Our results confirm that the dominant contribution to the dissipation occurs in the Ekman boundary layer with leading-order scaling $E^{1/2}$. When the forcing frequency coincides with that of an inertial mode, dissipation is reduced by as much as 9 % compared with boundary layer theory alone. The percentage-wise reduction is independent of $E$ and the frequency width of the reduction envelope scales as $E^{1/2}$. At non-resonant frequencies conic shear layers develop in the bulk interior and, together with the Ekman layer bulge at critical latitude, slightly enhance dissipation. We confirm critical latitude bulge and shear layer contributions to the overall dissipation scale as $E^{4/5}$ and $E^{6/5}$ respectively, becoming negligible compared with dissipation in the main boundary layer as $E\rightarrow 0$. The frequencies at which the dissipation enhancement from critical latitude effects is maximised are displaced from the inviscid limit periodic orbit frequencies by a factor that scales with $E^{0.23}$.

We study the computational problem of rigorously describing the asymptotic behavior of topological dynamical systems up to a finite but arbitrarily small pre-specified error. More precisely, we consider the limit set of a typical orbit, both as a spatial object (attractor set) and as a statistical distribution (physical measure), and we prove upper bounds on the computational resources of computing descriptions of these objects with arbitrary accuracy. We also study how these bounds are affected by different dynamical constraints and provide several examples showing that our bounds are sharp in general. In particular, we exhibit a computable interval map having a unique transitive attractor with Cantor set structure supporting a unique physical measure such that both the attractor and the measure are non-computable.

The past decade has seen an increase in attention to Tangut, an extinct Sino-Tibetan language spoken by the rulers of the Western Xia xīxià 西夏 empire. The question of its classification has become a subject of discussion especially since the documentation of its closest relatives came to light recently. The present paper builds on the study of the Tangut verb template by Jacques (2011) to question the place of Tangut with regard to the Horpa languages (Beaudouin 2023b). By doing so, it identifies a phenomenon of attraction encompassing synchronic and diachronic analysis and proposes that verbal templatic morphology in West Gyalrongic is nuclear.

In the current polycrisis era, plant science, particularly when applied to agronomy, becomes instrumental: because our main substantial and renewable resource is plant biomass, many future solutions will depend on our ability to grow and transform plant material in a sustainable way. This also questions the way we conduct plant research and thus quantitative plant biology. In response to the increasing polarization between science and society, participatory plant research offers a pertinent framework. Far from moving away from quantitative approaches, participatory plant research builds on complexity associated with biology and situated knowledge. When researchers and citizens work together on societal issues, such friction becomes more fertile, quantitative questions become more complex, societal issues are addressed at their roots and outcomes often exceed that of top-down strategies. This article serves as an introduction to this ongoing bifurcation in plant science, using plant breeding as a key example.

This article proposes to connect the history of European integration with that of protest movements. Drawing on a transnational approach, it highlights a double link between the protest movements of spring 1968 in France and autumn 1969 in West Germany and the rise of the European Economic Community. Firstly, the completion of the common market on 1 July 1968 increased competition between European economies, fostering social demands on the eve of the protest. Secondly, the economic consequences of May 1968, both in France and in West Germany, underlined the new interdependencies of French and German societies within the common market. The need for convergence towards a ‘community of stability’ paved the way for negotiations on an economic and monetary union after the relaunch at the Congress of The Hague in December 1969.

This paper studies individuals’ preference for reducing advantageous inequality in the distribution of gains and losses. Combining the inequality aversion model of Fehr and Schmidt (Q J Econ 114(3):817–868, 1999) with loss aversion à la Kahneman and Tversky (Econom J Econom Soc:263–291, 1979), we predict the relative dislike for advantageous inequality is lower when outcomes are framed as losses than when outcomes are framed as gains. We test this prediction using data from two modified dictator game experiments. Consistent with the model, we find that the amount of payoff that subjects are willing to sacrifice to increase the net payoff of others and reduce advantageous inequality is smaller under a loss frame than under a gain frame. The results also show that women are more inequality averse than men in both gains and losses.

Psilocybin therapy has recently emerged as a promising new treatment for depression and other mental health disorders. This chapter summarizes the most recent data on its safety and efficacy. The delivery of psilocybin therapy and its subjective effects are also presented. Furthermore, this chapter outlines our current understanding of psilocybin’s pharmacology and neurobiological effects. Other similar psychedelic substances with encouraging therapeutic potential are briefly presented.

Climate models are biased with respect to real-world observations. They usually need to be adjusted before being used in impact studies. The suite of statistical methods that enable such adjustments is called bias correction (BC). However, BC methods currently struggle to adjust temporal biases. Because they mostly disregard the dependence between consecutive time points. As a result, climate statistics with long-range temporal properties, such as the number of heatwaves and their frequency, cannot be corrected accurately. This makes it more difficult to produce reliable impact studies on such climate statistics. This article offers a novel BC methodology to correct temporal biases. This is made possible by rethinking the philosophy behind BC. We will introduce BC as a time-indexed regression task with stochastic outputs. Rethinking BC enables us to adapt state-of-the-art machine learning (ML) attention models and thereby learn different types of biases, including temporal asynchronicities. With a case study of number of heatwaves in Abuja, Nigeria and Tokyo, Japan, we show more accurate results than current climate model outputs and alternative BC methods.

Malgré l'attention accordée à l'enjeu de la mésinformation au cours des dernières années, peu d’études ont examiné l'appui des citoyens pour les mesures visant à y faire face. À l'aide de données récoltées lors des élections québécoises de 2022 et de modèles par blocs récursifs, cet article montre que l'appui aux interventions contre la mésinformation est élevé en général, mais que les individus ayant une idéologie de droite, appuyant le Parti conservateur du Québec et n'ayant pas confiance dans les médias et les scientifiques sont plus susceptibles de s'y opposer. Ceux qui ne sont pas préoccupés par l'enjeu, priorisent la protection de la liberté d'expression ou adhèrent aux fausses informations y sont aussi moins favorables. Les résultats suggèrent que dépolitiser l'enjeu de la mésinformation et travailler à renforcer la confiance envers les institutions pourraient augmenter la légitimité perçue et l'efficacité de notre réponse face à la mésinformation.

Liquid plug formation in thin channels due to the Plateau–Rayleigh instability of a liquid film is observed in a variety of fields. In this paper, complementarity between theoretical solutions and direct numerical simulations (DNS) based on a front-tracking algorithm is explored to evaluate the importance of inertia for the case of a cylindrical capillary. A linear stability analysis is first performed and DNS results are then used to investigate the spatial distributions of inertial, convective and viscous terms of the Navier–Stokes equation. The existence of both viscous and inertial regimes is evidenced with a threshold given by the film thickness. The presence of the core fluid slows down the instability. In the viscous regime, predictions of the lubrication theory are verified. An example of liquid water as the outer fluid film and water vapour as the inner core fluid is simulated with application to the fuel cells.

Indoor air pollution is one of the leading causes of morbidity and mortality worldwide, but its sources and impacts are largely misunderstood by the public. In a randomised controlled trial including 281 households in France, we test two interventions aimed at changing indoor polluting behaviour by raising households’ awareness of health risks associated with indoor air pollution. While both generic and personalised information increased knowledge, only personalised information including social comparison feedback changed behaviour, leading to a reduction of indoor PM2.5 (particulate matter with an aerodynamic diameter ≤2.5 µm) emissions by 20% on average. Heterogeneous treatment effects show that this effect is concentrated on the most polluted households at baseline, for whom the reduction reaches 40%.

Debate surrounds the early peopling of the Arabian Peninsula. The first evidence of the Levallois lithic technology in the Huqf area of south-eastern Arabia now extends the Middle Palaeolithic record of hominin activity into central Oman and helps to diversify the picture of Arabian prehistory.

This study tests the role of the full range leadership model’s leadership styles in employees’ job-stress-related presenteeism (JSRP). Further, the study tests a model that introduces mediating variables in the relationship between absent leaders and JSRP. Employees from four different types of organizations: police (N = 148), public service (N = 479, not-for-profit (N = 96), and construction (N = 214) completed the Multifactor Leadership Questionnaire on their direct supervisor, as well as a self-report measures of JSRP, psychological distress, and work–life balance. Correlations and hierarchical linear regression models showed that laissez-faire leadership had the strongest influence on JSRP for all four organizations. The parallel mediation model results showed that both employee psychological distress and work–life balance partially mediated the relationship between laissez-faire leadership style and employees’ JSRP. These results underscore the importance of looking at absent leaders and how they affect employees negatively.

This paper explain how the geometric notions of local contractibility and properness are related to the $\Sigma$-types and $\Pi$-types constructors of dependent type theory. We shall see how every Grothendieck fibration comes canonically with such a pair of notions—called smooth and proper maps—and how this recovers the previous examples and many more. This paper uses category theory to reveal a common structure between geometry and logic, with the hope that the parallel will be beneficial to both fields. The style is mostly expository, and the main results are proved in external references.