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Each one opens a real lecture written by Professor Worly. Free, no signup, takes about 5 minutes.
Cell Biology
Biology I
From cells to ecosystems — the unity of living things.
Memory & Learning
Psychology 101
Memory, motivation, and the surprising machinery of the mind.
Limits & Continuity
Calculus I
The mathematics of change, motion, and the infinitely small.
Computational Thinking
Intro to Computer Science
Algorithms, abstractions, and the art of teaching machines.
The Ancient World
World History
The forces that shaped civilisations — and us.
Our Solar System
Astronomy
Stars, galaxies, and our place in the cosmos.