The Coronavirus disease 2019 (COVID-19) pandemic in China has changed higher education dramatically, with a distinctive rise in online instruction. Here, we describe the major successes and challenges encountered during the full implementation of online chemistry instruction in higher education in China based on questionnaires answered by 56…

These proceedings contain the papers of the 18th International Conference on Cognition and Exploratory Learning in the Digital Age (CELDA 2021), held virtually, due to an exceptional situation caused by the COVID-19 pandemic, from October 13-15, 2021, and organized by the International Association for Development of the Information Society…

Outlines an adaptive framework for the study of plants and their pollinators in which both partners in the ecological relationship are seen as maximizing fitness through efficient use of the other as a resource. Suggests experimental projects to examine the validity of these assumptions giving an evolutionary emphasis. (Author/CW)