A medieval glider constructed by Abbas Ibn Firnas.
The tower situated in the capital city of the Kazakh Republic symbolises the tree of life holding a golden egg.
Marsh harriers are birds of prey found almost worldwide.
The characteristic colours of the common kingfisher aid the bird in catching its prey.
The Mir Castle Complex, situated in the town of Mir, Belarus was built in the Gothic-Renaissance style.
This animation demonstrates how microwave ovens work.
Influenced by Western Europe, the Tsar attempted to modernise the Russian Empire.
Because of the military conflict in Sudan, millions of people had to flee their homes.
Threshing machines are used for separating grains from straw.
The Votive Church of Szeged, located on the Great Plains of Hungary, emerges from the buildings of the city's famous square, while the National Pantheon can...
The animation shows the forms of government and official languages of the world´s countries.
Due to its design and location, the Opera House of the Australian city is one of the most extraordinary opera houses in the world.
An exercise about the volume and surface area of solids generated from a ´base cube´.
The ingenius water pump designed by Al-Jazari is a great example of the creativity of Medieval Arab engineers.
Extinct species of fish which had thick ´armour´ protecting the head.
Combine harvesters are machines that harvest and thresh grain crops.
During World War I France was part of the military alliance called 'Triple Entente'.
Every year, Santa Claus brings gifts to nearly 600 million children on Christmas Eve. Let's see what physical facts make his job harder.
A type of settlement that has central functions.
Change of light conditions in different seasons. Measuring height using shadows.