From the team

Latest updates and learning tips

Active recall works because retrieval changes memory
Study Science•May 2026

Active recall works because retrieval changes memory

Retrieval practice is not just a study trick. Decades of cognitive science show it improves long-term retention better than passive review.

Spaced repetition is effective because forgetting is part of learning
Learning Science•April 2026

Spaced repetition is effective because forgetting is part of learning

Spacing works because review is most valuable near the edge of forgetting. This result has been replicated across large bodies of memory research.

Context-aware AI tutoring is only useful when it stays grounded
Product•March 2026

Context-aware AI tutoring is only useful when it stays grounded

AI tutoring only becomes trustworthy when answers are tied to the material a learner is studying and when sources are visible.