3Blue1Brown, by Grant Sanderson, is some combination of math and entertainment, depending on your disposition. The goal is for explanations to be driven by animations and for difficult problems to be made simple with changes in perspective.
The Dibble Institute offers a variety of free resources to help you teach relationship skills in your school or organization. It covers a list of free resources, for example, toolkits, free newsletter, free webinars, grant alerts, movie guides, case studies, reports, tip sheets, and helpful links.
