Learning paths
Structured sequences designed to take you from beginner to confident, one focused week at a time.
Build fluency with variables, expressions and equations — the language of higher math.
Write your first programs and learn how computers think — no prior experience needed.
Zoom out from the cell to populations, communities and the biosphere.
A guided tour from early civilizations to the modern world.
Budgets, savings, debt and the simple habits that compound over time.
A toolkit for evaluating claims, spotting bias and forming better arguments.