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Scoliosis is a medical condition in which a person's spine has a lateral deviation.
The fat-tailed scorpion is one of the world's most dangerous scorpions.
The dromedary is an indispensable animal for inhabitants of the deserts.
The architecture of traditional Samoan family settlements reflect the unique culture of their inhabitants.
This Neoclassical structure is one of the best-known landmarks of Berlin and Germany.
The topmost layer of our skin is the epidermis, which contains melanocytes.
The inability to differentiate certain shades of colour is called colour vision deficiency.
Polynesians travelled huge distances with their specially designed boats.
A rock relief located in Northeast Bulgaria, probably carved at the end of the 7th century.
The dodo is an extinct species of birds that used to be native to the island of Mauritius. It has become the symbol of extinction.
The Arctic tern is famous for its long migration route: it flies from the Arctic to the Antarctic and back again each year.
Machines powered by animals were mainly used in mills, for grinding grains.
A differential allows the driven wheels of a car to rotate at different speeds when the car is turning.
This animation presents the states and state capitals of Germany
This animation presents the states and state capitals of Austria.
Deinonychus antirrhopus, the 'terrible claw', was a carnivorous dromaeosaurid dinosaur.
This animation presents some interesting facts in social geography.
Emperor Franz Joseph I and the beautiful Elisabeth got married in Vienna in 1854, but their marriage was unfortunately an unhappy one.
Learning about the geographic location, capitals and flags of African countries through exercises in three levels of difficulty.
Learning about the geographic location, capitals and flags of American countries through exercises in three levels of difficulty.
This animation presents some interesting facts in physical geography.
Learning about the geographic location, capitals and flags of European countries through exercises in three levels of difficulty.
Learning about the geographic location, capitals and flags of Asian countries through exercises with three levels of difficulty.