The purpose of this preliminary study was to identify oral problems and promote a healthy lifestyle at gimnazial school pupils, from a Romanian disadvantaged area. We wanted to identify the progress made by pupils following theoretical or practical interventions. Thus, along with the theoretical notions transmitted, either in the optional course…

With the increased focus on both inquiry and 21st-century skills such as collaboration and problem-solving, teachers at all levels are looking for engaging ways to create more student-centered classrooms in which students can learn more than "just" science content. Discovering and developing creative science activities designed to accomplish…

Manufacturers often claim that their particular toothbrush design is better than the competitors, but is it? As a result, engineers must consider the economic issues involved with selling the products they create, as well as their functionality: to produce the best possible toothbrush regardless of cost, or the toothbrush that will sell the most,…