The bones of the thorax

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

BR Standard Class 3 2-6-2T steam locomotive

A type of steam locomotives used by British Railways were manufactured in the 1950s.

Lymphatic system

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

Glands connected to the duodenum

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

The human eye

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

How does it work? - Computer networks

The Internet allows us to send data quickly to large distances.

Aluminium smelting

Aluminium smelting is the process of extracting aluminium from alumina by electrolysis.

Construction of cars

This animations demonstrates the exterior and interior construction of cars, as well as their operation.

Structure of proteins

The structure and arrangement of polypeptide chains affects the spatial structure of proteins.

The science of candles

Candles have been used for lighting since ancient times.

Moon landing: 20 July 1969

Neil Armstrong, one of the crew members of Apollo 11 was the first man to set foot on the Moon.

Appendicitis

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

Gutenberg's press (Mainz, 15th century)

Life magazine picked Gutenberg's invention of mechanical movable type printing as the most important event of the second millennium.

The Sun

The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists of hydrogen.

ISS

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

Samurai

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

The Solar System; planetary orbits

The orbits of the 8 planets in our Solar System are elliptical.

Change of seasons (intermediate)

Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes continuously changes during the year.

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