Giant sequoias are the world's largest living organisms by mass.
The mummified body of a man who probably lived in the Chalcolithic period, was found in one of the glaciers of the Alps.
Large, extinct species of cats named after the shape of their large canine teeth.
The saker falcon is a large bird of prey widespread in Europe and and Asia.
Change of light conditions in different seasons. Measuring height using shadows.
Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.
The poisonous bite of the Chilean recluse spider poses a serious threat to human health.
Market towns became the most common type of towns in the Kingdom of Hungary by the Late Middle Ages.
The small passenger aircraft is designed for speed, convenience and economical operation.
The Orthodox church, situated on a picturesque cliff, was named after John the Apostle
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.
In the battle fought at the shores of Hellas, Octavian won a decisive victory over Marcus Antonius.
Colourless, odourless gas, highly toxic to humans and animals in high concentration.
The Roman army, led by Flavius Aetius, stopped the Hun invasion led by king Attila
The Mir Castle Complex, situated in the town of Mir, Belarus was built in the Gothic-Renaissance style.
This animation presents the current refugee crisis from various points of view.
Rotating a rectangle around its axes of symmetry or around its sides results in solids of revolution.
The castle of Eger got its final shape and became an important component in the new chain of border forts in the 16th century.
A colourless, odourless gas, an important component of the atmosphere, indispensable to sustain terrestrial life.