TED-Ed
How Stress Affects Your Brain
Motivate your class members (and yourself) to manage stress with this short video that explores what happens to the brain when it is exposed to continual stress.
Volleyball Canada
Shoulder Warm-up
Accompany your volleyball lessons with this brief presentation highlighting a shoulder warm-up using pairs and one volleyball between them.
Biography
Jackie Robinson - Mini Biography
You may know of Jackie Robinson as the first African-American man to play baseball in the major league, but did you know that Robinson also fought for civil rights while serving in the military and after his years as a professional...
Crash Course
Marginal Analysis, Roller Coasters, Elasticity, and Van Gogh
Businesses really do care about your happiness and satisfaction—as long it's higher than their marginal cost. Discover how relative scarcity, marginal utility, and the subjective tastes of consumers determine the price a business places...