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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 minHow does a star die?Red giant or supernova · Muhammad Zaheer
Science · 8 minWhat would happen if a supervolcano woke up?A volcanic winter · Muhammad Zaheer
Science · 8 minWhy did Mars become a desert?From rivers to desert · Muhammad Zaheer
Science · 8 minWhy is the Moon moving away from Earth?3.8 cm a year · Muhammad Zaheer
Science · 9 minWhat is the Big Bang?13.8 billion years
Science · 7 minWhy do volcanoes erupt?Magma & plates
Science · 9 minHow do earthquakes happen?Faults & waves
Science · 8 minWhat happened at Chernobyl on 26 April 1986?April 26, 1986
Science · 7 minWhy doesn't the Moon fall to Earth?Orbit & gravity
Science · 10 minAre we alone in the Universe?Exobiology
Science · 8 minWhat is a black hole?Extreme gravity
Science · 8 minThe theory of relativity for everyoneEinstein 1905 & 1915
Science · 7 minHow does lightning form?Thunderstorms
Science · 7 minWhat is the greenhouse effect (really)?Climate & atmosphere
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.