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310 courses, six subjects, 30 languages.
The introduction of every course is free to read here. The rest is in the app.
History65 courses
Science57 courses
Literature47 courses
Art45 courses
Mythology46 courses
Understanding the world50 courses
Science · 8 minWhy do we sleep?Body & brain
Science · 7 minHow does the brain store memories?Memory & neurons
Science · 7 minWhy are some species immortal?Biology & longevity
Science · 7 minPhotosynthesis explained simplyPlants & energy
Science · 7 minWhy do leaves change color?Autumn & pigments
Science · 8 minWhat is dark matter?The invisible cosmos
Science · 8 minHow does electricity work in our body?Nerves & ions
Science · 7 minWhy do some sounds give us chills?Music & the brain
Science · 9 minWhy do other planets have seasons?Planets & orbitsThe rest of every course is in the app.The quiz, the glossary and the 30 languages. Free to start.