Flat feet

Flat feet, or fallen arches, may cause a number of health problems.

Persian warrior (5th century BC)

The excellent archers were feared members of the Persian army

Photosynthesis (basic)

Plants are capable of converting inorganic substances (carbon dioxide and water) into organic sugar.

How does it work? - Water tower

This animation demonstrates the structure of water towers.

Ötzi, the Iceman

The mummified body of a man who probably lived in the Chalcolithic period, was found in one of the glaciers of the Alps.

Rietveld Schröder House (Utrecht, 1924)

The Rietveld Schröder House, located in the town of Utrecht in the Netherlands, can be considered a forerunner of modern houses.

Bombardier CRJ200 (1991)

The small passenger aircraft is designed for speed, convenience and economical operation.

Boeing 747 (1969)

The Jumbo Jet is one of the best known airliners.

Western jackdaw

Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.

Shadows

Change of light conditions in different seasons. Measuring height using shadows.

Giant sequoia

Giant sequoias are the world's largest living organisms by mass.

Sabre-toothed cat

Large, extinct species of cats named after the shape of their large canine teeth.

Saker falcon

The saker falcon is a large bird of prey widespread in Europe and and Asia.

Peptide bond

Amino acids that make up proteins are bound by peptide bonds.

Chilean recluse spider

The poisonous bite of the Chilean recluse spider poses a serious threat to human health.

Refugees and migrants

This animation presents the current refugee crisis from various points of view.

Church of St John at Kaneo (Ohrid, 13th c.)

The Orthodox church, situated on a picturesque cliff, was named after John the Apostle

Solids of revolution (rectangle)

Rotating a rectangle around its axes of symmetry or around its sides results in solids of revolution.

Mir Castle Complex (17th century)

The Mir Castle Complex, situated in the town of Mir, Belarus was built in the Gothic-Renaissance style.

Carbon monoxide (CO) (intermediate)

Colourless, odourless gas, highly toxic to humans and animals in high concentration.

Added to your cart.