A type of steam locomotives used by British Railways were manufactured in the 1950s.
Today only one of the Wonders of the Ancient World is still intact: the Pyramids of Giza.
The structure and arrangement of polypeptide chains affects the spatial structure of proteins.
One of the directors of the circular, open-air Renaissance theatre in London was William Shakespeare.
RMS Titanic was the largest passenger ship at the beginning of the 20th century.
The difference between the temperature of the polar and equatorial zones causes atmospheric circulation which is affected by a number of factors, including...
An average Egyptian dwelling consisted of regularly arranged rooms.
Located close to Osaka, the Japanese castle is also called the White Heron because of its white exterior.
The Earth is composed of several spherical layers.
The orbits of the 8 planets in our Solar System are elliptical.
Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes continuously changes during the year.
The geographic coordinate system enables every location on the Earth to be exactly specified.
The International Space Station is a habitable satellite built with the cooperation of 16 countries.
This animation introduces the most important systems of the human body.
The eye is one of our most important sense organs. When stimulated by light, electric impulses are produced by its receptors.
The pancreas and the liver empty digestive juices into the duodenum.
A hydrothermal vent is a fissure in the planet's surface through which geothermally heated water erupts.
Eukaryotic cells contain a number of organelles.
The ribs, the sternum and the spinal column form the skeleton of the chest.
Bacteria occur in a wide range of shapes, including spheres, rods and spirals.