Subjects

How the atom was found, taken apart and finally explained: from combining weights and Rutherford scattering to orbitals, periodic trends and the chemical bond.

A complete grounding in Japanese: read both kana and your first hundred kanji, and say what you did, where you went and what you want.

Limits, derivatives, and integrals: the mathematics of change and accumulation, built from the ground up.

Newton's mechanics: how forces, energy, momentum, and gravity govern the motion of everything from a thrown ball to the planets.

How life changes over generations through variation, heredity, and natural selection: the single biggest idea in biology.

Do our choices originate with us? Determinism, the case against free will, and what is left of moral responsibility.

The mathematics of strategy: how rational players choose when the best move depends on what everyone else does.

Vectors, matrices, and the transformations of space: the mathematics behind data, graphics, and systems of equations.

Rebuild school mathematics as an adult: algebra as structure, functions and graphs, logarithms, trigonometry, and a first taste of proof.

How music is built: notes, intervals, scales, chords, keys, and rhythm, and why any of it sounds the way it does.

How to measure uncertainty: from coins and dice to Bayes' theorem and the bell curve.

How Rome governed itself for four centuries between the kings and the emperors, and why the system finally broke.

The shifting network of routes that carried goods, faith, technology, and ideas between China and the Mediterranean.

The four laws that govern energy: what heat and work are, why energy is conserved but not freely reusable, and what entropy counts.