Interprofessional culinary education workshops at the University of Saskatchewan.

Implication Statement If you want to offer your students an enjoyable and worthwhile interprofessional activity to learn about issues in community nutrition, your university can cook up these interprofessional culinary education workshops. Start with a few enthusiastic students from various health professional programs who can organize, promote, and lead. Include faculty and/or staff to support the students and apply for internal funding. Find workshop facilitators (e.g., chefs), and arrange for program evaluation. It is best to choose workshop topics and themes relevant to your local situation. Ensure workshops are structured to facilitate cooperative and experiential learning. Students will find these sessions informative, practical, and enjoyable. Énoncé des implications de la recherche Les ateliers culinaires sont une activité interprofessionnelle agréable et intéressante que votre université peut proposer aux étudiants qui souhaitent se familiariser avec les enjeux de la nutrition communautaire. Il suffit de réunir, pour commencer, quelques étudiants motivés issus de divers programmes de santé pour organiser, promouvoir et diriger les ateliers. Il s'agit ensuite de trouver les enseignants ou le personnel pour les soutenir, et de s'assurer d'un financement interne. Il faut ensuite trouver des animateurs d'ateliers (par exemple, un chef) et planifier l'évaluation du programme. Il est préférable d'axer les ateliers sur des thèmes adaptés à votre milieu. Les ateliers doivent être structurés de manière à faciliter l'apprentissage coopératif et expérientiel. Les étudiants trouveront ces séances instructives, pratiques et agréables.

Evolution of Drosophila sex comb length illustrates the inextricable interplay between selection and variation.

In spite of the diversity of possible biological forms observed in nature, a limited range of morphospace is frequently occupied for a given trait. Several mechanisms have been proposed to explain this bias in the distribution of phenotypes including selection, drift, and developmental constraints. Despite extensive work on phenotypic bias, the underlying developmental mechanisms explaining why particular regions of morphological space remain unoccupied are poorly understood. To address this issue, we studied the sex comb, a group of modified bristles used in courtship that shows marked morphological diversity among Drosophila species. In many Drosophila species including Drosophila melanogaster, the sex comb rotates 90° to a vertical position during development. Here we analyze the effect of changing D. melanogaster sex comb length on the process of rotation. We find that artificial selection changes the number of bristles per comb without a proportional change in the space available for rotation. As a result, when increasing sex comb length, rather than displaying a similar straight vertical shape observed in other Drosophila species, long sex combs bend because rotation is blocked by a neighboring row of bristles. Our results show ways in which morphologies that would be favored by natural selection are apparently impossible to achieve developmentally. These findings highlight the potential role of development in modifying selectable variation in the evolution of Drosophila sex comb length.