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Short talks

Levels: B1–C2 · 43 lessons

Section 1

B1 · Lessons 1–1515

  1. 1. Why we yawn

    5 sentences · Level B1 · 5 min

  2. 2. How a pencil is made

    5 sentences · Level B1 · 5 min

  3. 3. Why the sky is blue

    5 sentences · Level B1 · 5 min

  4. 4. How tea spread

    5 sentences · Level B1 · 5 min

  5. 5. Why we need sleep

    5 sentences · Level B1 · 5 min

  6. 6. Why the sea is salty

    5 sentences · Level B1 · 5 min

  7. 7. Why onions make you cry

    5 sentences · Level B1 · 5 min

  8. 8. How rainbows form

    5 sentences · Level B1 · 5 min

  9. 9. Why leaves change colour

    5 sentences · Level B1 · 5 min

  10. 10. Why we get goosebumps

    5 sentences · Level B1 · 5 min

  11. 11. How a fridge works

    5 sentences · Level B1 · 5 min

  12. 12. Why the moon changes shape

    5 sentences · Level B1 · 5 min

  13. 13. The benefits of reading

    5 sentences · Level B1 · 5 min

  14. 14. Why we hiccup

    5 sentences · Level B1 · 5 min

  15. 15. Why we need water

    5 sentences · Level B1 · 5 min

Section 2

B2 · Lessons 16–3520

  1. 16. The science of habits

    5 sentences · Level B2 · 5 min

  2. 17. Why cities are getting greener

    5 sentences · Level B2 · 5 min

  3. 18. The value of small talk

    5 sentences · Level B2 · 5 min

  4. 19. How glass is made

    5 sentences · Level B2 · 5 min

  5. 20. Why languages disappear

    5 sentences · Level B2 · 5 min

  6. 21. Why we put things off

    5 sentences · Level B2 · 5 min

  7. 22. How noise affects our health

    5 sentences · Level B2 · 5 min

  8. 23. The science of laughter

    5 sentences · Level B2 · 5 min

  9. 24. How bridges carry heavy loads

    5 sentences · Level B2 · 5 min

  10. 25. Urban heat islands

    5 sentences · Level B2 · 5 min

  11. 26. A short history of money

    5 sentences · Level B2 · 5 min

  12. 27. Why songs get stuck

    5 sentences · Level B2 · 5 min

  13. 28. The history of the passport

    5 sentences · Level B2 · 5 min

  14. 29. Sleeping standing up

    5 sentences · Level B2 · 5 min

  15. 30. How plastic is recycled

    5 sentences · Level B2 · 5 min

  16. 31. Seeing faces in things

    5 sentences · Level B2 · 5 min

  17. 32. The rise of electric cars

    5 sentences · Level B2 · 5 min

  18. 33. How lightning forms

    5 sentences · Level B2 · 5 min

  19. 34. How the internet reaches you

    5 sentences · Level B2 · 5 min

  20. 35. The benefits of boredom

    5 sentences · Level B2 · 5 min

Section 3

C1 · Lessons 36–394

  1. 36. Why we overestimate our own memory

    5 sentences · Level C1 · 6 min

  2. 37. The quiet rise of repair culture

    5 sentences · Level C1 · 6 min

  3. 38. How ancient traders measured distance

    5 sentences · Level C1 · 6 min

  4. 39. The patient strategy of the forest

    5 sentences · Level C1 · 6 min

Section 4

C2 · Lessons 40–434

  1. 40. Attention as a scarce currency

    5 sentences · Level C2 · 6 min

  2. 41. Why dictionaries never finish

    5 sentences · Level C2 · 6 min

  3. 42. Buildings that remember

    5 sentences · Level C2 · 6 min

  4. 43. A theory that forbids nothing

    5 sentences · Level C2 · 6 min