Diesel engine

The German engineer Rudolf Diesel patented the diesel engine in 1893.

Appendicitis

The inflammation of the vermiform appendix, which is connected to the cecum, requires immediate surgical intervention. The animation shows the cause and...

Human body (female)

This animation introduces the most important systems of the human body.

The bones of the thorax

The ribs, the sternum and the spinal column form the skeleton of the chest.

Atmospheric circulation

The difference between the temperature of the polar and equatorial zones causes atmospheric circulation which is affected by a number of factors, including...

ISS

The International Space Station is a habitable satellite built with the cooperation of 16 countries.

The human eye

The eye is one of our most important sense organs. When stimulated by light, electric impulses are produced by its receptors.

Glands connected to the duodenum

The pancreas and the liver empty digestive juices into the duodenum.

Lymphatic system

Lymph vessels carry lymph to the blood vessels, while lymph nodes are integral parts of the immune system.

Bacteria (spheres, rods, spirals)

Bacteria occur in a wide range of shapes, including spheres, rods and spirals.

Common bottlenose dolphin

Bottlenose dolphins are sea mammals which use ultrasound for orientation.

Kaaba (Makkah)

Located in the Grand Mosque of Makkah, the Kaaba shrine is the most sacred site of Islam.

The science of candles

Candles have been used for lighting since ancient times.

Mars Exploration Program

Space probes and Mars rovers examine the structure of Mars and possible traces of life.

Samurai

The primary duty of these Japanese warriors was to serve their feudal lords, even at the cost of their own lives.

Soviet labour camp (1930s)

Soviet labour camps (Gulags) were located far from inhabited areas.

Himeji Castle

Located close to Osaka, the Japanese castle is also called the White Heron because of its white exterior.

From the Stone Age to the Iron Age

This animation demonstrates the development of the axe throughout archaeological periods.

Bedouin camp

The seminomadic lifestyle of the Bedouin adapted to the climatic and environmental conditions of the desert.

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