It has long been known that humans use the focus of expansion (FOE) in a radial optic flow pattern to perceive their instantaneous direction of self-motion (heading). Here we report that motion-streak-like form information is also used for heading perception. We presented observers with an integrated form and motion display in which the dot pairs of a radial Glass patterns were oriented toward one

Can financial institutions and markets enhance the discipline imposed by competitive product markets and thus improve resource allocation in the real economy? We address this question in the context of international trade, using disaggregated product-level data from 71 countries exporting to the USA. We show that exported products exit the US market sooner if they stand far away from the exporting

This study estimates the causal effect of receiving additional paid vacation days on health. Using register data on the universe of central government employees in Sweden, I exploit an age-based rule stipulated in the collective agreement covering these employees. Identification is achieved by combining a regression discontinuity with a difference-in-differences design to control for time-invarian

Olfaction presents a particularly interesting arena to explore abstraction in language. Like other abstract domains, such as time, odours can be difficult to conceptualize. An odour cannot be seen or held, it can be difficult to locate in space, and for most people odours are difficult to verbalize. On the other hand, odours give rise to primary sensory experiences. Every time we inhale we are usi

Since its first appearance in the novel La Place de l’étoile (1968), the motif of the police van (panier à salade) has never stopped showing up in Modiano’s works. This article focusses on the scene with the police van in seven novels, in order to show its obsessional character. The analysis shows that the police van appears in a scenario which the reader recognizes from one novel to another, desp

Att arbeta som sjuksköterska innebär traditionellt ett yrke där man möter och vårdar människor. Oftast patienter, men mötena under en arbetsdag kan också vara anhöriga eller andra vårdprofessioner. Under senare år har yrket förändrats och idag finns allt fler digitala teknologier inblandade i det dagliga arbetet. En del av det arbete som tidigare utfördes i vårdmöten med patienten och ibland denne

Purpose Autoantibodies against osteoprotegerin (OPG) have been associated with osteoporosis. The aim was to develop an immunoassay for OPG autoantibodies and test their diagnostic usefulness of identifying women general population with low bone mineral density. Methods Included were 698 women at mean age 55.1 years (range 50.4–60.6) randomly selected from the general population. Measurement of wri

A gradual restriction in lineage potential of multipotent stem/progenitor cells is a hallmark of adult hematopoiesis, but the underlying molecular events governing these processes remain incompletely understood. Here, we identified robust expression of the leukemia-associated transcription factor hepatic leukemia factor (Hlf) in normal multipotent hematopoietic progenitors, which was rapidly downr

Photofragmentation of gas-phase acetamide and acetic acid clusters produced by a supersonic expansion source has been studied using time-of-flight mass spectrometry and the partial ion yield (PIY) technique combined with tunable vacuum-ultraviolet synchrotron radiation. Appearance energies of the clusters and their fragments were experimentally determined from the PIY measurements. The effect of c

Nitrogen molecules in ambient air exposed to an intense near-infrared femtosecond laser pulse give rise to cavity-free superradiant emission at 391.4 and 427.8 nm. An unexpected pulse duration-dependent cyclic variation of the superradiance intensity is observed when the central wavelength of the femtosecond pump laser pulse is finely tuned between 780 and 820 nm, and no signal occurs at the reson

It is important that climate models can accurately simulate the terrestrial carbon cycle in the Arctic due to the large and potentially labile carbon stocks found in permafrost-affected environments, which can lead to a positive climate feedback, along with the possibility of future carbon sinks from northward expansion of vegetation under climate warming. Here we evaluate the simulation of tundra

The load capacity of long adhesive lap joints is often governed by stress concentrations at the lap ends. This paper investigates a method to minimize these stress concentrations by using a bond line with low shear stiffness and sufficient strength, here denoted as a resilient bond line. The resilient bond line is intended to increase the load carrying capacity of long lap joints by achieving a mo

This paper is concerned with the manufacturing strategy decision-making structure in multi-plant networks, i.e. how strategic manufacturing decision-making authority is distributed between the network level (i.e. headquarters) and the plant level. We use survey data from 107 manufacturing plants. This research identifies three different structures: centralised at the network headquarter, decentral

Background: Stick insects (Phasmatodea) have a high incidence of parthenogenesis and other alternative reproductive strategies, yet the genetic basis of reproduction is poorly understood. Phasmatodea includes nearly 3000 species, yet only the genome of Timema cristinae has been published to date. Clitarchus hookeri is a geographical parthenogenetic stick insect distributed across New Zealand. Sexu

The human Aβ42 peptide is associated with Alzheimer’s disease through its deleterious effects in neurons. Expressing the human peptide in adult Drosophila in a tissue- and time-controlled manner, we show that Aβ42 is also toxic in non-neural cells, neurosecretory and epithelial cell types in particular. This form of toxicity includes the aberrant signaling by Wingless morphogen leading to the even