The Science of Learning, Languages, and Life.
Discover how people learn, explore the beauty of languages, and apply learning science to everyday life. Our mission is to help learners, teachers, and lifelong learners grow through evidence-based education.
The forgetting curve
Memory fades — unless you review.
Active recall
Retrieving from memory — not re-reading — is what builds durable knowledge.
Spaced repetition
Reviews timed to the edge of forgetting, so each one counts for more.
Interleaving
Mixing topics and problem types, so each review sharpens when to use what.
Deep encoding
Putting ideas in your own words and connecting them is what makes them stick.
Pick a language, start today
From the notebook
How concentration is actually improved
The question assumes focus is a muscle you train. The strongest evidence says the training barely carries over, and the...
You are not short of resolve, you are short of an appointment
No time, no talent, too old — those are explanations, not causes. What can be measured is duller: one sentence with a ti...
In the brain, learning a language happens on four timescales
Not one event but four, running on clocks a billion-fold apart: a wave at 400 milliseconds, a word locked in overnight,...
A library for the curious
Ready to learn something that stays?
Work through a complete lesson — read, recall, and let spaced review do the rest.
Open the student portal