Blog
How long does a level take, which languages are really hard, how does vocabulary stick? Answers from research and official sources. Every article names its evidence.
Levels & progress
A1, B1, C2: what the Council of Europe's six language levels mean, roughly how many study hours they take, and where B1 is even written into law.
6 min read7 sources
Languages up close
Arabic, Japanese, Chinese? Where the famous list of hard languages comes from, what it actually measures – and why your own languages matter most.
5 min read5 sources
How to learn
What the forgetting curve really shows, why testing yourself beats rereading, and how far apart your reviews should be – backed by studies.
5 min read7 sources
Learning with AI
Do AI chatbots and AI tutors really help you learn a language? What meta-analyses measure, where the evidence is thin, and how to use AI sensibly.
4 min read5 sources
Languages up close
Script, standard Arabic or dialect, roots and patterns: what makes Arabic hard, what is easier than you might think – and roughly how long it takes.
5 min read4 sources