Sudoku
Grids of our own: every digit is found by reasoning, and if you get stuck we tell you how
All the apps
For studying
- GraphsType a function and see it: sliders, zoom, zeros, tangents
- The human bodyThe whole body in 2,339 pieces: to turn, take apart and touch
- World globeThe world to turn and unfold: tap a country and discover it
- Periodic tableThe 118 elements and their atoms
- Molecules in 3DOver 30,000 molecules to turn: what they are, where they are found, what they are for
- 3D cellsCells and their parts in 3D: to turn, open up and touch
- MathsFrom fractions to integrals, in order: look, change the numbers and try yourself
- PhysicsChange the numbers and watch physics move: one topic after another, in the order they are studied
The Earth through time
- Ancient EarthThe Earth from 750 million years ago to today: the moving continents and who lived on them
- The world through timeThe states of history on the globe, year by year: from 3400 BC to today
Space
- In orbitSatellites, space stations and debris round the Earth: how high they fly and why just there
- Solar systemThe Sun, the planets and the Moon where they really are today: send them round, forwards and backwards in time
- The skyThe stars above your city at their real distances: leave the Earth and fly among the constellations
Animal atlases
- Animals of the pastLost life in 3D: from the first animals to the dodo
- Other mammalsFrom the giraffe to the mouse: land mammals in 3D, beside you
- CatsBig and small cats to turn in 3D
- ReptilesCrocodilians, turtles, lizards and snakes to turn in 3D
- BirdsBirds of prey, owls, parrots and sparrows to turn in 3D
- AmphibiansFrogs, toads, salamanders and newts to turn in 3D
- Sea animalsFish, sharks, whales, octopuses and jellyfish to turn in 3D
- Insects and spidersReal museum specimens in 3D: butterflies, beetles, bees and spiders