Learn how to learn — the evidence-based science of studying and skill acquisition, and genuinely useful for any student, professional, or self-teacher. Retrieval practice and the testing effect (why quizzing yourself beats rereading), spaced repetition and interleaving, and the "desirable difficulties" that feel harder but stick better; metacognition and the illusion-of-fluency traps (highlighting and rereading that feel productive but aren’t); how memory encodes and consolidates, including the role of sleep; deliberate practice and what it honestly does and doesn’t claim; motivation and habit formation (cue–routine–reward, implementation intentions); and the popular learning myths the evidence overturns — learning styles, and the 10,000-hour rule as it’s usually told. Every question is a small, practical lesson with the reasoning explained and a rule you can apply to your own studying today. Educational skill practice in how learning works — never a claim to raise IQ or make you "smarter."