Practical guides and insights for learners at every level.
Dr. Stephen Krashen's Input Hypothesis, supported by Merrill Swain, Paul Nation, and decades of SLA research, shows that listening and reading content you 95% understand outperforms grammar drills. Here's the science and how to apply it.
English for Specific Purposes (ESP) research shows that specialist professionals need a completely different vocabulary set than general learners. Our 150+ free guides cover medicine, law, finance, engineering, and more — matched to your field.
The Common European Framework of Reference (CEFR), developed by the Council of Europe, defines six language levels used by Cambridge, IELTS, TOEFL, and employers worldwide. Here's exactly what you can do at each level — and how to reach the next one.