The inflammation of the vermiform appendix, which is connected to the cecum, requires immediate surgical intervention. The animation shows the cause and...
Wealthy citizens in ancient Rome owned large houses with varied layouts of several rooms.
This animation presents the main types of leaves and the differences between monocot and dicot leaves.
Bacteria are unicellular organisms that have no nuclei and are a few micrometres in length.
Formula 1 is the highest class and most popular type of motor racing.
This animation compares the life cycles of mosses and ferns, helping to understand the general life cycle of plants.
The theatre that has a distinctive shape and excellent acoustics was situated at the side of the Acropolis in Athens.
The Suez Canal is an artificial waterway connecting the Red Sea and the Mediterranean Sea.
The ancient Roman arena became well-known for the chariot races held here.
Napoleon I, who crowned himself emperor, was one of the most outstanding military commanders in history.
Mercenaries of the ancient Roman army were well-trained and well equipped with the most up-to-date weapons.
The Cassini spacecraft was exploring Saturn and its moons for nearly 20 years.
Ancient Egyptians worshipped a large number of gods and goddesses.
The English engineer George Stephenson’s locomotive was built for a competition of locomotives in 1829.
A selection of legendary buildings from the history of civilisation.
The popular model of the American automobile factory was the first mass-produced car in the world.
A hydrothermal vent is a fissure in the planet's surface through which geothermally heated water erupts.
The first commercially successful technique of photography was invented by the French Louis Daguerre.
Bones of the upper limbs form the pectoral girdle and the arms.
Nuclear fusion will serve as an environmentally friendly and practically unlimited source of energy.