Tomás Orellana, a 17-year-old high school student in Chile, had a vision: to create a kit of medicinal plants for Chilean school infirmaries. But first, he needed to understand the basic principles of pharmacology. That’s when Orellana turned to the internet and stumbled upon a gold mine of free educational resources and courses on the MIT OpenCourseWare website.Right away, Orellana completed class HST.151 (Principles of Pharmacology), learning about the mechanisms of drug action, dose-response relations, pharmacokinetics, drug delivery systems, and more. He then shared this newly acquired knowledge with 16 members…