From the award-winning Planet Money podcast, this six-week Summer School series gives listeners a crash course in economics and finance through entertaining stories and lighthearted conversation (with no homework required). The summer 2021 session is all about investing, from the stock market to 401Ks to cryptocurrency. For instance, in the first lesson, host Cardiff Garcia learns how stock prices are determined by guessing the weight of a cow and comparing the cuteness of kittens versus polar bears. There are 6 lessons this summer, each lasting 30-40 minutes, and listeners can even take a final quiz to earn a "diploma" for completion. Educators can also use Summer School in the classroom with accompanying lesson plans (click "For Educators" in the menu) on 20 economics topics geared towards high school and college students. Listeners can also check out the summer 2020 session by clicking "Season 1: Microeconomics" in the top menu. That season explored principles of microeconomics using examples such as pickles, Santa, cocaine, and Donald Duck. Planet Money is produced by NPR.