A new COVID-19 variant that was unheard of just months ago is now projected to be the second-most common strain in the United States. Variant NB.1.8.1 was first detected in China in January but ...

Cases of the new COVID-19 variant NB.1.8.1, linked to a large surge in China, have been detected in multiple locations across the United States, according to the Centers for Disease Control and ...

This paper presents a research contribution relevant to two fields: the study of mathematics teaching and learning from an intercultural perspective (Beacco et al., 2016) and teacher education ...