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레벨: B1–C2 · 레슨 43개
오디오와 문장은 영어입니다. 각 레슨에는 영어 원제도 함께 표시합니다.
Why we yawn
5문장 · 레벨 B1 · 5분
How a pencil is made
Why the sky is blue
How tea spread
Why we need sleep
Why the sea is salty
Why onions make you cry
How rainbows form
Why leaves change colour
Why we get goosebumps
How a fridge works
Why the moon changes shape
The benefits of reading
Why we hiccup
Why we need water
The science of habits
5문장 · 레벨 B2 · 5분
Why cities are getting greener
The value of small talk
How glass is made
Why languages disappear
Why we put things off
How noise affects our health
The science of laughter
How bridges carry heavy loads
Urban heat islands
A short history of money
Why songs get stuck
The history of the passport
Sleeping standing up
How plastic is recycled
Seeing faces in things
The rise of electric cars
How lightning forms
How the internet reaches you
The benefits of boredom
Why we overestimate our own memory
5문장 · 레벨 C1 · 6분
The quiet rise of repair culture
How ancient traders measured distance
The patient strategy of the forest
Attention as a scarce currency
5문장 · 레벨 C2 · 6분
Why dictionaries never finish
Buildings that remember
A theory that forbids nothing
