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New to a subject? Each path is a short, hand-picked list of videos in the order we’d watch them, with a note on why each one is there.

Calculus
From "what is a derivative?" to Taylor series, mostly through pictures.
8 videos · 2 h 6 min

Linear algebra
Vectors, matrices and eigenvalues as moving pictures, then the classic MIT course.
7 videos · 1 h 26 min

Statistics & probability
The ideas behind data, explained clearly and without jargon.
9 videos · 1 h 36 min

Neural networks & AI
How modern AI works, from a single neuron to building a GPT yourself.
7 videos · 8 min

Programming with Python
From zero to writing real programs, with Harvard’s CS50 Python course.
7 videos · 10 h 25 min

How computers work
From switches and logic gates to programs and algorithms.
8 videos · 1 h 18 min

Physics
Classical mechanics first, then the strange world of relativity and quantum physics.
7 videos · 1 h 6 min

Chemistry
Atoms, the periodic table and reactions, in the order a good course would teach them.
8 videos · 1 h 29 min

Biology
Cells, DNA and evolution: the core ideas of life science.
8 videos · 1 h 42 min

The human body
A guided tour of the body’s systems, from tissues to the immune system.
8 videos · 1 h 12 min

Astronomy & the universe
From the night sky to the Big Bang.
8 videos · 1 h 21 min

Economics
How markets, money and governments shape the economy.
7 videos · 50 min

Personal finance & investing
Sensible, evidence-based basics: no stock tips, no hype.
7 videos · 1 h 11 min

World history
The big turning points of human history, in order.
8 videos · 1 h 11 min

Philosophy
How to think clearly about knowledge, reality and right and wrong.
8 videos · 38 min

Music theory
Scales, chords and keys in short, friendly lessons.
8 videos · 1 h 6 min

Drawing
Fundamentals first: gesture, simple forms, heads and perspective.
7 videos · 57 min

Cooking basics
The skills that make every recipe easier.
5 videos · 1 h 32 min

Hand-tool woodworking
Paul Sellers on sharpening, sawing, planing and your first joints.
7 videos · 2 h 39 min

Electronics
From an LED on a breadboard to the transistor, the switch behind all computers.
7 videos · 1 h 32 min